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NSN 5305-00-017-2427, 5305000172427
SCREW,TAPPING

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 000172427
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.
Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS® Summary

National Stock Number 5305-00-017-2427

National Stock Number (NSN) 5305-00-017-2427, or NIIN 000172427, (screw,tapping) 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 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 3 suppliers. Today, 3 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 not been procured by the US Government in over 5 years.

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 5305000172427 contains an unknown precious metal.

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
HEAD HEIGHT
(AASU) 0.172 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
HEAD STYLE
(AASK) HEXAGON
NONDEFINITIVE SPEC/STD DATA
(ZZZT) AS GRADE AND 10P STYLE
NONMACHINE THREAD STYLE
(CRGF) THRU SLOT (TYPE D)
NONMACHINE NOMINAL THREAD DIAMETER
(CTYF) 0.250 INCHES
MATERIAL
(MATT) STEEL OVERALL
WIDTH BETWEEN FLATS
(AATB) 0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
SURFACE TREATMENT
(SFTT) CADMIUM OVERALL OR ZINC OVERALL

Manufacturer Part Numbers


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