NSN 5305-00-292-6485, 5305002926485
Cancelled -> Replaced by 5305008729707

Federal Supply Classification: FSC 5305 - Screws
National Item Identification Number: NIIN 002926485
Codification Country: United States
Item Name Code: INC 06660
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 5305-00-292-6485

National Stock Number (NSN) 5305-00-292-6485, or NIIN 002926485, (screw,assembled washer) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NSN replaces 2 stock numbers: 5305002082852, 5305008729707.

There are 4 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 7 suppliers. Today, 7 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) 06660. [A SCREW, (AS MODIFIED) TO WHICH HAS BEEN ASSEMBLED ONE OR MORE NONREMOVABLE WASHER(S).]. 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 5305002926485 contains an unknown precious metal.

This information was last updated on Aug 01, 2025.

Technical Characteristics

PRIMARY WASHER OUTSIDE DIAMETER: (CSPG) 0.283 INCHES MINIMUM AND 0.297 INCHES MAXIMUM
MATERIAL: (MATT) STEEL COMP 1010 FASTENER OR STEEL COMP 1011 FASTENER OR STEEL COMP 1013 FASTENER OR STEEL COMP 1015 FASTENER OR STEEL COMP 1016 FASTENER OR STEEL COMP 1018 FASTENER OR STEEL COMP 1019 FASTENER OR STEEL COMP 1020 FASTENER
HEAD HEIGHT: (AASU) 0.118 INCHES MINIMUM AND 0.130 INCHES MAXIMUM
THREAD LENGTH: (AASA) 0.210 INCHES MAXIMUM
INTERNAL DRIVE STYLE: (ABQZ) CROSS RECESS TYPE 1
THREAD CLASS: (AAJD) 2A
HEAD STYLE: (AASK) FILLISTER
HEAD DIAMETER: (AASL) 0.292 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
THREAD QUANTITY PER INCH: (CMLP) 32
WASHER QUANTITY: (AAVW) 1
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: (STDC) QQ-P-416,TY 1,CL 3 FED SPEC 1ST TREATMENT RESPONSE OVERALL OR QQ-Z-325,TY 1,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
THREAD DIRECTION: (AAJF) RIGHT-HAND
FASTENER LENGTH: (AASB) 0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
NOMINAL THREAD DIAMETER: (AHYM) 0.190 INCHES
PRIMARY WASHER MATERIAL THICKNESS: (CTJJ) 0.040 INCHES MINIMUM
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) SAE ASSN STD SINGLE MATERIAL RESPONSE PRIMARY WASHER
THREAD SERIES DESIGNATOR: (THSD) UNF
HARDNESS RATING: (CQFM) 35.0 ROCKWELL C MINIMUM PRIMARY WASHER AND 53.0 ROCKWELL C MAXIMUM PRIMARY WASHER
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) SAE ASSN STD ALL MATERIAL RESPONSES FASTENER
SURFACE TREATMENT: (SFTT) CADMIUM OVERALL OR ZINC OVERALL
PRIMARY WASHER STYLE: (CTHW) SPLIT HELICAL RING