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NSN 5305-01-326-4922, 5305013264922
SCREW,CAP,HEXAGON HEAD

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 013264922
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 5305-01-326-4922

National Stock Number (NSN) 5305-01-326-4922, or NIIN 013264922, (screw,cap,hexagon head) was assigned September 26, 1990 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. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.

This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 6 contracts issued for this part number, with 6 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE7L124FALKH, SPE7L124FAL2D, SPE7M118FATAE, SPE7LX17D0028, SPM7LX11D9037. The total value of the awarded contracts has been US$ 29.93.

This NSN is somewhat common among different platforms, belonging to 4 different weapons systems.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 19, 2020, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part is a commercial/non-developmental/off-the-shelf-item. Valid AMCs: 1, 2, 3, 4 and 5.

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 5305013264922 does not contain precious metals.

This NSN is associated to Schedule B 7318152000: bolts and bolts and their nuts or washers exported in the same shipment. The Schedule B End Use is listed as iron and steel products, other. NAICS classification category 332722: bolt, nut, screw, rivet, and washer manufacturing.

This information was last updated on .


Technical Characteristics

EXTERNAL THREAD TOLERANCE CLASS
(CQWR) 6G
FASTENER LENGTH
(AASB) 50.0 MILLIMETERS NOMINAL
HEAD HEIGHT
(AASU) 7.24 MILLIMETERS MINIMUM AND 7.76 MILLIMETERS MAXIMUM
HEAD STYLE
(AASK) HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) SAE J429 10.9 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL
(MATT) STEEL PROPERTY CLASS 10.9 OVERALL
NOMINAL THREAD DIAMETER
(AHYM) 12.0 MILLIMETERS
WIDTH BETWEEN FLATS
(AATB) 17.73 MILLIMETERS MINIMUM AND 18.00 MILLIMETERS MAXIMUM
SURFACE TREATMENT
(SFTT) ZINC OVERALL
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD LENGTH
(AASA) 30.0 MILLIMETERS MINIMUM AND 38.8 MILLIMETERS MAXIMUM
THREAD SERIES DESIGNATOR
(THSD) M
THREAD PITCH IN MILLIMETERS
(CQQR) 1.75

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