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NSN 5305-01-075-7959, 5305010757959
SCREW,CAP,HEXAGON HEAD

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 010757959
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.
Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS® Summary

National Stock Number 5305-01-075-7959

National Stock Number (NSN) 5305-01-075-7959, or NIIN 010757959, (screw,cap,hexagon head) was assigned April 26, 1979 in the Federal Logistics Information System (FLIS). 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 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.

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

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 1991, this NSN's acquisition method was noted as: Not established. Not established.

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 5305010757959 contains an unknown precious metal.

This information was last updated on .


Technical Characteristics

NOMINAL THREAD DIAMETER
(AHYM) 0.375 INCHES
MINIMUM YIELD STRENGTH
(CQHQ) 120000 POUNDS PER SQUARE INCH
FASTENER LENGTH
(AASB) 1.500 INCHES NOMINAL
WIDTH BETWEEN FLATS
(AATB) 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
THREAD QUANTITY PER INCH
(CMLP) 16
MATERIAL
(MATT) STEEL COMP 1541 OVERALL
HEAD HEIGHT
(AASU) 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH
(CQBC) 154000 POUNDS PER SQUARE INCH
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD LENGTH
(AASA) 1.000 INCHES NOMINAL
HEAD STYLE
(AASK) HEXAGON
SPECIFICATION/STANDARD DATA
(ZZZK) 80204-GRADE 6 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SPECIAL FEATURES
(FEAT) COLD FORGED;PROTECTED BY PERMA PLATE FINISH;DOUBLE HEAT TREATED;50 PER PKG
FEATURES PROVIDED
(CBBL) FINISHED HEAD
THREAD SERIES DESIGNATOR
(THSD) UNC

Manufacturer Part Numbers


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