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NSN 5305-01-727-5771, 5305017275771
SCREW,TAPPING

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 017275771
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 5305-01-727-5771

National Stock Number (NSN) 5305-01-727-5771, or NIIN 017275771, (screw,tapping) was assigned March 10, 2025 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 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.

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 5305017275771 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

END ITEM IDENTIFICATION
(AGAV) 2360-016935515
EXTENDED WASHER DIAMETER
(AATC) 0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM
EXTENDED WASHER THICKNESS
(AATD) 0.030 INCHES MINIMUM AND 0.050 INCHES MAXIMUM
FASTENER LENGTH
(AASB) 1.00 INCHES NOMINAL
HEAD HEIGHT
(AASU) 0.172 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
HEAD STYLE
(AASK) HEXAGON EXTENDED WASHER
INTERNAL DRIVE STYLE
(ABQZ) W/O INTERNAL DRIVE
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) UNABLE TO DECODE
PART NAME ASSIGNED BY CONTROLLING AGENCY
(CXCY) SCREWS, TAPPING, HEX WASHER HEAD, INDENTED, UNSLOTTED
MATERIAL
(MATT) UNABLE TO DECODE
NONMACHINE NOMINAL THREAD DIAMETER
(CTYF) 0.250 INCHES
NONMACHINE THREAD STYLE
(CRGF) BLUNT (TYPE TT)
SPECIFICATION/STANDARD DATA
(ZZZK) 05047-ASME B18.24-2023 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) UNABLE TO DECODE
SURFACE TREATMENT
(SFTT) UNABLE TO DECODE
WIDTH BETWEEN FLATS
(AATB) 0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) ASTM B633, TYPE VI, SC 2 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIAL
(MATT) STEEL OVERALL
SURFACE TREATMENT
(SFTT) ZINC OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) ASME B 18.6.3 TAPPING OR DRIVE SCREW NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL

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