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


NSN 4820-01-251-7621, 4820012517621
VALVE,SAFETY RELIEF

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 012517621
Codification Country
United States
Item Name Code
INC 05488
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: We have 1 qualified suppliers

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

Let Us Know
  CALL ABOUT NSN 4820-01-251-7621
Our client representatives are standing by to help fulfill your request.

+1-321-773-5710

  REQUEST QUOTE for 4820-01-251-7621


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

DLMS® Summary

National Stock Number 4820-01-251-7621

National Stock Number (NSN) 4820-01-251-7621, or NIIN 012517621, (valve,safety relief) was assigned March 24, 1987 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.

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

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.

This NSN is assigned to Item Name Code (INC) 05488. [A VALVE DESIGNED TO AUTOMATICALLY RELEASE EXCESSIVE PRESSURES. IT IS ACTUATED BY STATIC PRESSURE UPSTREAM OF THE VALVE AND IS USED AS A SAFETY VALVE OR RELIEF VALVE, AND MAY BE SET TO CLOSE AT A PREDETERMINED PRESSURE. IT IS NOT DESIGNED FOR REGULATION OF CONTINUOUSLY FLUCTUATING LOADS. IT MAY BE INLINE OR CARTRIDGE (MANIFOLD) DESIGN. EXCLUDES:VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.]. 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 4820012517621 contains an unknown precious metal.

This NSN is associated to Schedule B 8481400000: safety or relief valves. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 332911: industrial valve manufacturing.

This information was last updated on .


Technical Characteristics

CONNECTION TYPE
(AWLS) UNTHREADED INTERNAL TUBE ALL ENDS
CONNECTION STYLE
(AHNC) PLAIN (TUBE) ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED
(CWFD) 0.625 INCHES ALL ENDS
STYLE DESIGNATOR
(STYL) ANGLE
SPECIAL FEATURES
(FEAT) SIDE 4.0 IN.,BOTTOM 3.625 IN.,HEIGHT 7.5 IN,WEIGHT 2.75 LBS.
STYLE DESIGNATOR
(STYL) ERR-090
CONNECTION STYLE
(AHNC) PLAIN (TUBE) ERR-100

Manufacturer Part Numbers


Related Inventory

7671CMS20470A3-4
5320-00-637-5422
Condition NE
RIVET, SOLID
Readily Available
7671C5002394-116
5305-00-958-5422
Condition NE
SCREW, MACHINE
Readily Available
7762626
5365-00-598-5422
bushing,nonmeta
Readily Available
4614542-2
Condition FN
BRACKET 2598
Readily Available
4920542-2
Condition FN
BRACKET 1129
Readily Available
65B80254-22
Condition FN
BLOCK 86
Readily Available
65C80735-422
Condition FN
PLATE 396
Readily Available
54-225-456

Condition NE
FOWLER Heavy Du
Readily Available
542201

Condition NE
Large Mesh Dive
Readily Available
54220217

Condition NE
Bomag Gasket #5
Readily Available
542229-25G
Condition NE
2-CHLORO-3' 4'-
Readily Available
C7985-4-22
Readily Available
0401032HNSXM01B
5310-01-521-5422
Washer/Nut
Readily Available
3258542-2
Readily Available
808154-22
Readily Available
5422
Condition NS
PIN
Readily Available
3542-2
PIN
Readily Available
7671CMS24585-422
Condition NE
SPRING
Readily Available
54221/BEBJC
Readily Available
7671C2122700-41
5315-00-923-5422
Condition NE
PIN GROOVED
Readily Available
7671C54/22
Condition NE
OVERLOAD PAWL
Readily Available
5422215
Condition NS
CLAMP PIPE 22M
Readily Available
5422015
Condition NS
CLAMP PIPE 20M
Readily Available
5330-00-864-5422
008645422.5330
Condition NE
SEAL, PLAIN ENC
Readily Available
0414054-22
Condition NS
BUSHING
Readily Available
542211
Condition NS
PLATE
Readily Available
5422130-16-516
Condition NS
SEAL
Readily Available
5422152-4-504
Condition NS
HINGE ASSY
Readily Available
4930-00-336-5422
003365422.4930
Condition NS
BODY ASSEMBLY
Readily Available
5365-01-355-5422
013555422.5365
Condition NS
SLEEVE, SPACER
Readily Available
7671CCV15-810542-2
5306-00-976-1447
Condition NE
BOLT,MACHINE
Readily Available
5518154-22
Condition NS
BALL
Readily Available
3120-00-860-5422
008605422.3120
Condition NS
BRG SET,CON ROD
Readily Available
2510-01-083-5422
010835422.2510
Condition NS
DOOR, HATCH, VE
Readily Available
5422135-5
Condition NS
SEAL
Readily Available
5422136-11
Condition NS
FAIRING
Readily Available
5422137-61
Condition NS
RIB
Readily Available
555-422
Condition NS
COUPLER
Readily Available
MS3154-22
Condition FN
Readily Available
425422
PIN
Readily Available
105422
ELBOW 1/8
Readily Available
1105422
ALTERNATOR
Readily Available
9215422
PART
Readily Available
54-225
Condition FN
Desc: SLEEVE; M
Readily Available
542-2
Condition FN
Desc: PLUG; MOQ
Readily Available
54223.500.03
Condition FN
BEVEL GEAR SET
Readily Available
54223.500.02
Condition FN
BEVEL GEAR SET
Readily Available
54223.500.01
Condition FN
BEVEL GEAR SET
Readily Available
54223.006.01
Condition FN
SPACER
Readily Available
54223.005.01
Condition FN
SHAFT
Readily Available
54223.002.01
Condition FN
INTERMEDIATE, C
Readily Available
54223.001.01
Condition FN
HOUSING
Readily Available
54222.701.01
Condition FN
LEVER
Readily Available
54222.012.02
Condition FN
GEAR
Readily Available
54222.012.01
Condition FN
GEAR
Readily Available
54222.011.03
Condition FN
SHIM
Readily Available
54222.011.02
Condition FN
SHIM
Readily Available
54222.011.01
Condition FN
SHIM
Readily Available
54222.008.01
Condition FN
COVER
Readily Available
54222.007.01
Condition FN
SPACER
Readily Available
54222.006.02
Condition FN
GEAR
Readily Available
54222.006.01
Condition FN
GEAR
Readily Available
54222.005.01
Condition FN
CHANGE SELECTOR
Readily Available
54222.004.07
Condition FN
FLANGE
Readily Available
54222.004.06
Condition FN
FLANGE
Readily Available
54222.004.05
Condition FN
FLANGE
Readily Available
54222.004.04
Condition FN
FLANGE
Readily Available
54222.004.03
Condition FN
FLANGE
Readily Available
54222.004.02
Condition FN
FLANGE
Readily Available
54222.004.01
Condition FN
FLANGE
Readily Available
54222.003.01
Condition FN
OUTPUT SHAFT
Readily Available
54222.002.01
Condition FN
COVER
Readily Available
54222.001.01
Condition FN
HOUSING
Readily Available
2125422
5950-00-737-8128
Request
BUWEPSDWG1594801
5360-00-808-5422
Request
2122700-41
5315-00-923-5422
Request
3000000
5305-01-597-5422
Request
3000000-025075
5305-01-597-5422
Request
92181-991
2530-01-178-5422
Request
MS20001PX5-422
Condition FN
HINGE
Request
MS20001PY5-422
Condition FN
HINGE
Request


 
Top