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NSN 4730-00-555-8203, 4730005558203
NUT,TUBE COUPLING

Federal Supply Classification
FSC 4730 - Hose, Pipe, Tube, Lubrication, and Railing Fittings
National Item Identification Number
NIIN 005558203
Codification Country
United States
Item Name Code
INC 03859
Criticality
(Y) This item does not have a nuclear hardened feature but does have other critical feature(s) 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.
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DLMS® Summary

National Stock Number 4730-00-555-8203

National Stock Number (NSN) 4730-00-555-8203, or NIIN 005558203, (nut,tube coupling) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 15 manufacturer part numbers associated with this NSN. 11 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 12 suppliers. Today, 10 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts. ISO Group has a strong supply network for this NSN, with 19 sources of supply.

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

This NSN is unique to one weapons system.

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2005, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) Acquisition of this part is controlled by QPL procedures. Valid AMCs: 1 and 2.

This NSN is assigned to Item Name Code (INC) 03859. [AN INTERNALLY THREADED NUT WHICH HAS EITHER AN INTERNAL SEAT OR SHOULDER AND/OR IS DESIGNED TO BE USED WITH A FERRULE, TO MATE WITH THE SEAT OF AN EXTERNALLY THREADED TUBE FITTING TO FORM A LEAKPROOF CONNECTION. EXCLUDES:NUT (1), TUBE COUPLING, REDUCING; AND NUT (1), UNION.]. This item does not have a nuclear hardened feature but does have other critical feature(s) 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 4730005558203 contains an unknown precious metal.

This NSN is associated to Schedule B 7609000000: aluminum tube or pipe fittings (couplings,elbows sleeves). The Schedule B End Use is listed as finished metal shapes. NAICS classification category 332919: other metal valve and pipe fitting manufacturing.

This information was last updated on .


Technical Characteristics

END ITEM IDENTIFICATION
(AGAV) AIRCRAFT APPLICATION,IROQUIS UH-1,CHINOOK CH-47 HELICOPTER,DELTA DART F-106,F-111. TOMCAT F-14A,STARLIFTER C-141 AIRCRAFT,E-3A AIRCRAFT WARNING AND CONTROL SYSTEM (AWACS)
CRITICALITY CODE JUSTIFICATION
(CRTL) FEAT
NOMINAL TUBE OUTSIDE DIAMETER
(CQRJ) 0.250 INCHES
NOMINAL THREAD SIZE
(CQJX) 0.438 INCHES
NUT STYLE
(ACTA) TUBE COUPLING
NUT HEIGHT
(ADEA) 0.710 INCHES MINIMUM AND 0.730 INCHES MAXIMUM
LENGTH TO SHOULDER
(BRQL) 0.537 INCHES MINIMUM AND 0.557 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-A-367,T6 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/6,T6,T62 OR T851 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL
(MATT) ALUMINUM ALLOY 2014 OR ALUMINUM ALLOY 2024 OVERALL
SEAT ANGLE
(CRRB) 45.00 DEGREES NOMINAL
SMALLEST INSIDE DIAMETER
(BSPX) 0.300 INCHES MINIMUM AND 0.305 INCHES MAXIMUM
SPECIAL FEATURES
(FEAT) GRUMMAN AEROSPACE CORP A10 AIRCRAFT; WEAPON SYSTEM ESSENTIAL
THREAD CLASS
(AAJD) 3B
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD SERIES
(BZRR) UNJF
THREAD QUANTITY PER INCH
(CMLP) 20
WIDTH ACROSS FLATS
(ASDB) 0.562 INCHES NOMINAL
SPECIFICATION/STANDARD DATA
(ZZZK) 96906-MS21921 GOVERNMENT STANDARD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) MIL-A-8625,TYPE 2,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT
(SFTT) ANODIZE OVERALL
FABRICATION METHOD
(AARN) ANY ACCEPTABLE

Manufacturer Part Numbers

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5
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VSF12124WW

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118216002304

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5
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137618257

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2
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