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NSN 5305-01-123-8455, 5305011238455
SCREW,TAPPING

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 011238455
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 5305-01-123-8455

National Stock Number (NSN) 5305-01-123-8455, or NIIN 011238455, (screw,tapping) was assigned December 18, 1981 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 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.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Mar 02, 2006, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.

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 5305011238455 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

EXTENDED WASHER DIAMETER
(AATC) 0.375 INCHES NOMINAL
EXTENDED WASHER THICKNESS
(AATD) 0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM
FASTENER LENGTH
(AASB) 0.500 INCHES NOMINAL
FEATURES PROVIDED
(CBBL) CASEHARDENED
HEAD HEIGHT
(AASU) 0.141 INCHES NOMINAL
HEAD STYLE
(AASK) HEXAGON EXTENDED WASHER
INTERNAL DRIVE STYLE
(ABQZ) W/O INTERNAL DRIVE
NONMACHINE THREAD STYLE
(CRGF) WIDE FLUTE (TYPE T)
NONMACHINE NOMINAL THREAD DIAMETER
(CTYF) 0.190 INCHES
MATERIAL
(MATT) STEEL OVERALL
SPECIAL FEATURES
(FEAT) INDENTED HEX HEAD
WIDTH BETWEEN FLATS
(AATB) 0.312 INCHES NOMINAL
SURFACE TREATMENT
(SFTT) ZINC OVERALL

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