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NSN 4730-01-254-9841, 4730012549841
NUT,TUBE COUPLING

Federal Supply Classification
FSC 4730 - Hose, Pipe, Tube, Lubrication, and Railing Fittings
National Item Identification Number
NIIN 012549841
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 4730-01-254-9841

National Stock Number (NSN) 4730-01-254-9841, or NIIN 012549841, (nut,tube coupling) was assigned May 14, 1987 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are no manufacturer part numbers associated to this NSN. ISO Group has a strong supply network for this NSN, with 12 sources of supply.

This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Dec 28, 2012. There have been 3 contracts issued for this part number, with 3 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPM7MB13M0632, SPM7M312M7419, SPM7M312M7419, SPM7M312M7419, SPM7M111V4780. The total value of the awarded contracts has been US$ 3,671.89.

This NSN is very common among different weapons systems, belonging to 28 different platforms.

There has been a small amount of 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 01, 2020, 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 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 4730012549841 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

LENGTH TO SHOULDER
(BRQL) 0.547 INCHES NOMINAL
NUT HEIGHT
(ADEA) 0.719 INCHES NOMINAL
NUT STYLE
(ACTA) TUBE COUPLING
MATERIAL
(MATT) ALUMINUM ALLOY 2014 OVERALL
NOMINAL THREAD SIZE
(CQJX) 0.437 INCHES
NOMINAL TUBE OUTSIDE DIAMETER
(CQRJ) 0.250 INCHES
SMALLEST INSIDE DIAMETER
(BSPX) 0.300 INCHES NOMINAL
SEAT ANGLE
(CRRB) 45.0 DEGREES NOMINAL
WIDTH ACROSS FLATS
(ASDB) 0.562 INCHES NOMINAL
SPECIFICATION/STANDARD DATA
(ZZZK) 96906-MS21921 GOVERNMENT STANDARD
SURFACE TREATMENT
(SFTT) ANODIZE OVERALL
THREAD CLASS
(AAJD) 3B
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD SERIES
(BZRR) UNF
THREAD QUANTITY PER INCH
(CMLP) 20
FABRICATION METHOD
(AARN) ANY ACCEPTABLE

Manufacturer Part Numbers


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