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NSN 5305-00-006-8410, 5305000068410
SCREW,TAPPING

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 000068410
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 5305-00-006-8410

National Stock Number (NSN) 5305-00-006-8410, or NIIN 000068410, (screw,tapping) was assigned June 23, 1972 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.

This NSN is unique to one weapons system.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jun 02, 2005, 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 5305000068410 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

EXTENDED WASHER DIAMETER
(AATC) 0.624 INCHES MINIMUM AND 0.676 INCHES MAXIMUM
EXTENDED WASHER THICKNESS
(AATD) 0.035 INCHES MINIMUM AND 0.055 INCHES MAXIMUM
FASTENER LENGTH
(AASB) 0.820 INCHES MINIMUM AND 0.880 INCHES MAXIMUM
FEATURES PROVIDED
(CBBL) CASEHARDENED
HARDNESS RATING
(CQFM) 83.0 ROCKWELL SUPERFICIAL 15-N NOMINAL OVERALL
HEAD HEIGHT
(AASU) 0.263 INCHES MINIMUM AND 0.265 INCHES MAXIMUM
HEAD STYLE
(AASK) HEXAGON EXTENDED WASHER
INTERNAL DRIVE STYLE
(ABQZ) W/O INTERNAL DRIVE
NONMACHINE NOMINAL THREAD DIAMETER
(CTYF) 0.312 INCHES
NONMACHINE THREAD STYLE
(CRGF) BLUNT (SF) OR BLUNT (TYPE SW) OR BLUNT (TYPE TT)
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-W-405 FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIAL
(MATT) STEEL COMP 1018 OVERALL OR STEEL COMP 1019 OVERALL OR STEEL COMP 1020 OVERALL OR STEEL COMP 1022 OVERALL
SPECIAL FEATURES
(FEAT) TRIANGLE /TAPTITE/ SHAPE THREADS
WIDTH BETWEEN FLATS
(AATB) 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) MIL-P-16232 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT
(SFTT) PHOSPHATE ZINC OVERALL

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