NSN 5305-00-363-3984, 5305003633984
SCREW,ASSEMBLED WASHER

Federal Supply Classification: FSC 5305 - Screws
National Item Identification Number: NIIN 003633984
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.

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DLMS^® Summary

National Stock Number 5305-00-363-3984

National Stock Number (NSN) 5305-00-363-3984, or NIIN 003633984, (screw,assembled washer) was assigned February 22, 1974 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, with the most recent procurement date of Oct 17, 2012. There have been 2 contracts issued for this part number, with 2 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPM5E413M0291, SPM8E810MQ053, SPM8E810MQ053. The total value of the awarded contracts has been US$ 2,678.84.

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. 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: 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) 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 5305003633984 contains an unknown precious metal.

This NSN is associated to Schedule B 7318152000: bolts and bolts and their nuts or washers exported in the same shipment. 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 Apr 01, 2024.

Technical Characteristics

FASTENER LENGTH: (AASB) 0.312 INCHES NOMINAL
HARDNESS RATING: (CQFM) 80.0 ROCKWELL B MINIMUM OVERALL AND 100.0 ROCKWELL B MAXIMUM OVERALL
HEAD HEIGHT: (AASU) 0.172 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
HEAD STYLE: (AASK) HEXAGON
INTERNAL DRIVE STYLE: (ABQZ) SLOT
NOMINAL THREAD DIAMETER: (AHYM) 0.164 INCHES
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) SAE GRADE 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL: (MATT) STEEL OVERALL
MINIMUM TENSILE STRENGTH: (CQBC) 74000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH: (CQHQ) 57000 POUNDS PER SQUARE INCH
PRIMARY WASHER MATERIAL THICKNESS: (CTJJ) 0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM
PRIMARY WASHER OUTSIDE DIAMETER: (CSPG) 0.494 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
PRIMARY WASHER STYLE: (CTHW) FLAT EXTERNAL TEETH
THREAD CLASS: (AAJD) 2A
THREAD DIRECTION: (AAJF) RIGHT-HAND
THREAD LENGTH: (AASA) 0.250 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
THREAD SERIES DESIGNATOR: (THSD) UNC
THREAD QUANTITY PER INCH: (CMLP) 32
WASHER QUANTITY: (AAVW) 1
WIDTH BETWEEN FLATS: (AATB) 0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: (STDC) AMS2400-1 ASSN STD 1ST TREATMENT RESPONSE OVERALL OR AMS2402-1 ASSN STD 2ND TREATMENT RESPONSE OVERALL
SURFACE TREATMENT: (SFTT) CADMIUM OVERALL OR ZINC OVERALL