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NSN 5305-00-052-6921, 5305000526921
Cancelled -> Replaced by 5305012153986

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 000526921
Codification Country
United States
Item Name Code
INC 41756
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 5305-00-052-6921

National Stock Number (NSN) 5305-00-052-6921, or NIIN 000526921, (screw,tapping) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 4 stock numbers: 5305012153986, 5305004705472, 5305004367274, 5305004323833.

There are 4 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are 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 very common among different weapons systems, belonging to 44 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 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) 41756. [A HARDENED EXTERNALLY THREADED FASTENER WHOSE THREAD EXTENDS TO THE BEARING SURFACE OF THE HEAD. THE THREAD MAY BE FLUTED OR OTHERWISE DESIGNED TO CUT OR FORM ITS OWN MATING THREAD. EXCLUDES:SCREW, ASSEMBLED WASHER.]. 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 5305000526921 does not contain precious metals.

This NSN is associated to Schedule B 7318140000: self-tapping screws of iron or steel. 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

FASTENER LENGTH
(AASB) 0.500 INCHES NOMINAL
FEATURES PROVIDED
(CBBL) CASEHARDENED
HEAD DIAMETER
(AASL) 0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM
HEAD HEIGHT
(AASU) 0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM
HEAD STYLE
(AASK) PAN
INTERNAL DRIVE STYLE
(ABQZ) CROSS RECESS TYPE 1
NONMACHINE THREAD STYLE
(CRGF) THRU SLOT (TYPE D) OR DOUBLE FLUTE (TYPE F) OR THRU SLOT (TYPE 6) OR WIDE FLUTE (TYPE T)
NONMACHINE NOMINAL THREAD DIAMETER
(CTYF) 0.250 INCHES
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) AISI ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIAL
(MATT) STEEL COMP 1016 OVERALL OR STEEL COMP 1018 OVERALL OR STEEL COMP 1019 OVERALL OR STEEL COMP 1021 OVERALL OR STEEL COMP 1022 OVERALL OR STEEL COMP 1524 OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) QQ-P-416,TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
SURFACE TREATMENT
(SFTT) PASSIVATE OVERALL AND CHROMATE OVERALL

Manufacturer Part Numbers


Related Inventory

MS24629-57
5305-00-052-6921
Condition NE
Screw, Tapping,
Readily Available
MS24629-57
5305000526921
Condition NS
SCREW
Readily Available
MS24629-57
MS24629-57
Condition NE
Readily Available


 
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