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NSN 4730-01-087-7557, 4730010877557
NUT,TUBE COUPLING

Federal Supply Classification
FSC 4730 - Hose, Pipe, Tube, Lubrication, and Railing Fittings
National Item Identification Number
NIIN 010877557
Codification Country
United States
Item Name Code
INC 03859
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.
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DLMS® Summary

National Stock Number 4730-01-087-7557

National Stock Number (NSN) 4730-01-087-7557, or NIIN 010877557, (nut,tube coupling) was assigned December 25, 1979 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 2 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. 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.

This NSN is unique to one weapons system.

There has been a small amount of 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) 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 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 4730010877557 does not contain precious metals.

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

FABRICATION METHOD
(AARN) ANY ACCEPTABLE
NUT HEIGHT
(ADEA) 0.850 INCHES MINIMUM AND 0.870 INCHES MAXIMUM
NUT STYLE
(ACTA) TUBE COUPLING
LENGTH TO SHOULDER
(BRQL) 0.599 INCHES MINIMUM AND 0.619 INCHES MAXIMUM
MATERIAL
(MATT) ALUMINUM ALLOY 2014 AND ALUMINUM ALLOY 2024 OVERALL
NOMINAL THREAD SIZE
(CQJX) 0.750 INCHES
NOMINAL TUBE OUTSIDE DIAMETER
(CQRJ) 0.500 INCHES
SEAT ANGLE
(CRRB) 45.0 DEGREES NOMINAL
SMALLEST INSIDE DIAMETER
(BSPX) 0.552 INCHES MINIMUM AND 0.557 INCHES MAXIMUM
THREAD CLASS
(AAJD) 3B
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD QUANTITY PER INCH
(CMLP) 16
THREAD SERIES
(BZRR) UNJF
WIDTH ACROSS FLATS
(ASDB) 0.871 INCHES MINIMUM AND 0.875 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA
(ZZZK) 96906-MS21921 GOVERNMENT STANDARD

Manufacturer Part Numbers


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