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NSN 5305-00-174-4041, 5305001744041
SCREW,CAP,HEXAGON HEAD

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 001744041
Codification Country
United States
Item Name Code
INC 18257
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 5305-00-174-4041

National Stock Number (NSN) 5305-00-174-4041, or NIIN 001744041, (screw,cap,hexagon head) was assigned January 1, 1963 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.

This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Jan 30, 2015. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE5E215V3128, SPE5E215V3128. The total value of the awarded contracts has been US$ 6,593.90.

This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

This NSN is assigned to Item Name Code (INC) 18257. [AN EXTERNALLY THREADED FASTENER DESIGNED FOR INSERTION INTO HOLES IN ASSEMBLED PARTS, FOR MATING WITH A PREFORMED INTERNAL THREAD AND FOR TIGHTENING OR RELEASING BY TORQUING THE HEAD. THE THREADED AND UNTHREADED PORTIONS ARE BOTH OF THE SAME NOMINAL DIAMETER OF 0.190 INCH (5 MM) OR LARGER. HEAD DIMENSIONS AND SIZES OF THREADED AND UNTHREADED PORTIONS SHALL CONFORM TO INTERNATIONALLY RECOGNIZED FASTENER STANDARDS. THE THREAD LENGTH BEING THE CONTROLLED DIMENSION, THE GRIP LENGTH IS NOT SPECIFIED. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. THE HEAD IS NOT DESIGNED TO BE HELD OR DRIVEN WITH AN INSERTED DRIVER OR BY THE THUMB AND FINGERS. EXCLUDES:BOLT,MACHINE; BOLT,EXTERNALLY RELIEVED BODY; BOLT,INTERNAL WRENCHING; AND SCREW,CAP,SOCKET HEAD.]. 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 5305001744041 does not contain precious metals.

This NSN is associated to Schedule B 7508900000: other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire). The Schedule B End Use is listed as finished metal shapes. NAICS classification category 332999: all other miscellaneous fabricated metal product manufacturing.

This information was last updated on .


Technical Characteristics

FASTENER LENGTH
(AASB) 1.000 INCHES NOMINAL
HEAD HEIGHT
(AASU) 0.272 INCHES MINIMUM AND 0.291 INCHES MAXIMUM
HEAD STYLE
(AASK) HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-N-281 FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIAL
(MATT) NICKEL ALLOY 400 OR NICKEL ALLOY R-405 OVERALL
NOMINAL THREAD DIAMETER
(AHYM) 0.438 INCHES
WIDTH BETWEEN FLATS
(AATB) 0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
THREAD CLASS
(AAJD) 2A
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD LENGTH
(AASA) 1.000 INCHES MAXIMUM
THREAD QUANTITY PER INCH
(CMLP) 14
THREAD SERIES DESIGNATOR
(THSD) UNC
MATERIAL
(MATT) NICKEL ALLOY 400 OVERALL OR NICKEL ALLOY R-405 OVERALL

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