ISO Group Logo
Defense and Aerospace
Supply Chain Partner
A Dynatech International Company


NSN 4730-00-437-0170, 4730004370170
COUPLING HALF,QUICK DISCONNECT

Federal Supply Classification
FSC 4730 - Hose, Pipe, Tube, Lubrication, and Railing Fittings
National Item Identification Number
NIIN 004370170
Codification Country
United States
Item Name Code
INC 18681
Criticality
(X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code
(N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.
Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

Manufacture or supply this part?
Join our growing community of certified suppliers.

Let Us Know
  CALL ABOUT NSN 4730-00-437-0170
Our client representatives are standing by to help fulfill your request.

+1-321-773-5710

  REQUEST QUOTE for 4730-00-437-0170


Have a list that needs to be quoted? Upload it here.

DLMS® Summary

National Stock Number 4730-00-437-0170

National Stock Number (NSN) 4730-00-437-0170, or NIIN 004370170, (coupling half,quick disconnect) was assigned August 29, 1969 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 4 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

This NSN is somewhat common among different platforms, belonging to 10 different weapons systems.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on May 23, 2008, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 18681. [A FLUID LINE FITTING HAVING A PIPE, TUBE OR HOSE CONNECTION OR A THROUGH HOLE TO ACCOMMODATE A BOLT, FLUID PASSAGE ON ONE END. THE OTHER END MUST HAVE AN INTERNAL OR EXTERNAL QUICK DISCONNECT FEATURE FOR CONNECTING A MATING PART TO FORM A QUICK DISCONNECT COUPLING ASSEMBLY. THE FITTING MAY INCORPORATE A SELF-SEALING FEATURE FOR THE PURPOSE OF AUTOMATICALLY SHUTTING OFF THE FLOW OF FLUID WHEN DISCONNECTED FROM ITS MATING HALF. FOR SELF-SEALING FITTINGS WITH AN EXTERNAL OR INTERNAL THREADED DISCONNECT END, SEE COUPLING HALF, SELF-SEALING. SEE ALSO, CONNECTOR, MULTIPLE, FLUID PRESSURE LINE.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4730004370170 contains an unknown precious metal.

This NSN is associated to Schedule B 7307199030: unions, pipe, of iron or steel, cast. The Schedule B End Use is listed as iron and steel products, other. NAICS classification category 332919: other metal valve and pipe fitting manufacturing.

This information was last updated on .


Technical Characteristics

CONNECTION STYLE
(AHNC) FLARED ALL ENDS
CONNECTION TYPE
(AWLS) INTERNAL QUICK DISCONNECT ALL ENDS
CONNECTION TYPE
(AWLS) THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
NOMINAL THREAD SIZE
(CQJX) 1.062 INCHES ALL ENDS
OVERALL LENGTH
(ABHP) 1.920 INCHES NOMINAL
LEG LENGTH
(AHSJ) 0.865 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) 66 FED STD SINGLE MATERIAL RESPONSE BODY
MATERIAL
(MATT) STEEL BODY
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED
(CWFD) 0.750 INCHES ALL ENDS
SEAT ANGLE
(CQRB) 37.0 DEGREES
QUICK DISCONNECT METHOD
(ADLN) TWIST-LOCK ALL ENDS
THREAD CLASS
(AAJD) 3A ALL ENDS
THREAD SERIES DESIGNATOR
(THSD) UN ALL ENDS
THREAD QUANTITY PER INCH
(CMLP) 12 FIRST QUICK DISCONNECT END
STYLE DESIGNATOR
(STYL) MALE COUPLING HALF

Manufacturer Part Numbers

16657

RNCC
3
RNVC
2
16657101

RNCC
5
RNVC
2
981541

RNCC
C
RNVC
1
981541

RNCC
5
RNVC
9
EM16657101

RNCC
5
RNVC
2

Related Inventory

916657-3
Readily Available
LC032E12MW
5360003166576
Condition NS
SPRING
Readily Available
57-016-657
Condition FN
.315"-.394" MAS
Readily Available
73-016-657
Condition FN
C8R3-36 1018 CO
Readily Available
SN74ABT16657DL
Readily Available
SN74ABT16657DLR
Readily Available
5360-00-316-6576
003166576.5360
Condition NS
SPRING, HELICAL
Readily Available
MS17986-625
5340009166575
Condition NS
PIN
Readily Available
4537800-713
5306011665720
Condition NS
BOLT
Readily Available
1-665-745-42B
printed circuit
Readily Available
MS17986-625
5315009166575
Condition NS
PIN
Readily Available
11665793
2540007647979
Condition NS
GUARD
Readily Available
205-061-665-7
5306001634379
Condition NS
BOLT
Readily Available
5331-01-166-5776
011665776.5331
Condition NS
O-RING
Readily Available
1665707
5330004467804
Condition NS
PACKING
Readily Available
2487938
5330008316657
Condition NS
SEAL
Readily Available
7671C2166577
Condition NE
GROOVED PIN
Readily Available
FP5-9-2-3-470
4820012316657
Condition NS
VALVE SAFETY
Readily Available
11665794
2540007837060
Condition NS
GUARD SPLASH
Readily Available
8681-3-91
5330011665781
Condition NE
FASTENER
Readily Available
U11C62-163SH
5340009166571
Condition NS
CLAMP
Readily Available
11665741
2530001621986
Condition NS
BRAKE SHOE SET
Readily Available
1665780
2530012891664
Condition NS
ARM PIVOTING WH
Readily Available
2990-00-011-6657
011664457.2990
Condition NS
pipe,exhaust
Readily Available
58-530166-57
Condition NS
MOLDING
Readily Available
AD-151
5340011665760
Condition NS
CONNECTOR
Readily Available
9282783-10
5355013516657
Condition NS
DIAL
Readily Available
4537800-632
5306011665799
Condition NS
BOLT
Readily Available
30094-024
5330015166576
Condition NS
PACKING
Readily Available
12321626
5330011665798
Condition NS
GASKET
Readily Available
916657
2530015404306
Condition NS
SHAFT
Readily Available
916657-97
Condition FN
STEERING SHAFT
Readily Available
916657-95
Condition FN
STEERING SHAFT
Readily Available
916657-93
Condition FN
STEERING SHAFT
Readily Available
916657-91
Condition FN
STEERING SHAFT
Readily Available
916657-87
Condition FN
STEERING SHAFT
Readily Available
916657-7SX
Condition FN
STEERING SHAFT
Readily Available
916657-77
Condition FN
STEERING SHAFT
Readily Available
916657-730
Condition FN
STEERING SHAFT
Readily Available
916657-729
Condition FN
STEERING SHAFT
Readily Available
916657-726
Condition FN
STEERING SHAFT
Readily Available
916657-725
Condition FN
STEERING SHAFT
Readily Available
916657-718
Condition FN
STEERING SHAFT
Readily Available
916657-715
Condition FN
STEERING SHAFT
Readily Available
916657-712
Condition FN
STEERING SHAFT
Readily Available
916657-711
Condition FN
STEERING SHAFT
Readily Available
916657-708
Condition FN
STEERING SHAFT
Readily Available
916657-707
Condition FN
STEERING SHAFT
Readily Available
916657-701
Condition FN
STEERING SHAFT
Readily Available
916657-7
Condition FN
STEERING SHAFT
Readily Available
916657-6SX
Condition FN
STEERING SHAFT
Readily Available
916657-699
Condition FN
STEERING SHAFT
Readily Available
916657-698
Condition FN
STEERING SHAFT
Readily Available
916657-696
Condition FN
STEERING SHAFT
Readily Available
916657-694
Condition FN
STEERING SHAFT
Readily Available
916657-691
Condition FN
STEERING SHAFT
Readily Available
916657-689
Condition FN
STEERING SHAFT
Readily Available
916657-688
Condition FN
STEERING SHAFT
Readily Available
916657-687
Condition FN
STEERING SHAFT
Readily Available
916657-682
Condition FN
STEERING SHAFT
Readily Available
916657-681
Condition FN
STEERING SHAFT
Readily Available
916657-680
Condition FN
STEERING SHAFT
Readily Available
916657-678
Condition FN
STEERING SHAFT
Readily Available
916657-674
Condition FN
STEERING SHAFT
Readily Available
916657-670
Condition FN
STEERING SHAFT
Readily Available
916657-67
Condition FN
STEERING SHAFT
Readily Available
916657-659
Condition FN
STEERING SHAFT
Readily Available
916657-658
Condition FN
STEERING SHAFT
Readily Available
916657-657
Condition FN
STEERING SHAFT
Readily Available
916657-655
Condition FN
STEERING SHAFT
Readily Available
916657-654
Condition FN
STEERING SHAFT
Readily Available
916657-653
Condition FN
STEERING SHAFT
Readily Available
916657-651
Condition FN
STEERING SHAFT
Readily Available
916657-65
Condition FN
STEERING SHAFT
Readily Available
916657-648
Condition FN
STEERING SHAFT
Readily Available
916657-644
Condition FN
STEERING SHAFT
Readily Available
916657-643
Condition FN
STEERING SHAFT
Readily Available
916657-64
Condition FN
STEERING SHAFT
Readily Available
916657-638
Condition FN
STEERING SHAFT
Readily Available
916657-631
Condition FN
STEERING SHAFT
Readily Available
916657-621
Condition FN
STEERING SHAFT
Readily Available
916657-51
Condition FN
STEERING SHAFT
Readily Available
916657-34
Condition FN
STEERING SHAFT
Readily Available
916657-32
Condition FN
STEERING SHAFT
Readily Available
916657-25
Condition FN
STEERING SHAFT
Readily Available
916657-24
Condition FN
STEERING SHAFT
Readily Available
916657-22
Condition FN
STEERING SHAFT
Readily Available
916657-12
Condition FN
STEERING SHAFT
Readily Available
816657N
Condition FN
CAMSHAFT
Readily Available
2116657
Condition FN
PISTON-CLUTCH
Readily Available
3616657-1
Condition NE
FITTING P2 SENS
Readily Available
C5116657
5365 01 375 1322
SPACER PLATE
Request
NAV0RDLD616657
4820-00-021-2928
Request
4537800-713
5306-01-166-5720
Request
90549-991
5306-01-166-5721
Request
4730010166572
4730-01-016-6572
Request
5330011665798
5330-01-166-5798
Request
5360011665773
5360-01-166-5773
Request


 
Top