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NSN 5305-00-720-8821, 5305007208821
SCREW,ASSEMBLED WASHER

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 007208821
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 5305-00-720-8821

National Stock Number (NSN) 5305-00-720-8821, or NIIN 007208821, (screw,assembled washer) was assigned January 1, 1963 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 somewhat common among different platforms, belonging to 5 different weapons systems.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 01, 2020, 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 5305007208821 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 .


Technical Characteristics

FASTENER LENGTH
(AASB) 0.375 INCHES NOMINAL
HARDNESS RATING
(CQFM) 32.0 ROCKWELL C MINIMUM OVERALL AND 36.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER
(AASL) 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
HEAD HEIGHT
(AASU) 0.072 INCHES MINIMUM AND 0.082 INCHES MAXIMUM
HEAD STYLE
(AASK) PAN NO. 2
INTERNAL DRIVE STYLE
(ABQZ) SLOT
NOMINAL THREAD DIAMETER
(AHYM) 0.138 INCHES
MATERIAL
(MATT) STEEL OVERALL
PRIMARY WASHER MATERIAL THICKNESS
(CTJJ) 0.016 INCHES NOMINAL
PRIMARY WASHER OUTSIDE DIAMETER
(CSPG) 0.270 INCHES MINIMUM AND 0.280 INCHES MAXIMUM
PRIMARY WASHER STYLE
(CTHW) FLAT EXTERNAL TEETH
THREAD CLASS
(AAJD) 3A
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD LENGTH
(AASA) 0.344 INCHES MINIMUM
THREAD SERIES DESIGNATOR
(THSD) UNC
THREAD QUANTITY PER INCH
(CMLP) 32
WASHER QUANTITY
(AAVW) 1
SURFACE TREATMENT
(SFTT) CADMIUM OVERALL

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