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NSN 5305-00-017-8755, 5305000178755
SCREW,ASSEMBLED WASHER

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 000178755
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 5305-00-017-8755

National Stock Number (NSN) 5305-00-017-8755, or NIIN 000178755, (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 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 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are 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 5305000178755 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) 0.625 INCHES NOMINAL
HEAD DIAMETER
(AASL) 0.443 INCHES MINIMUM AND 0.472 INCHES MAXIMUM
HEAD HEIGHT
(AASU) 0.160 INCHES MINIMUM AND 0.175 INCHES MAXIMUM
HEAD STYLE
(AASK) ROUND
INTERNAL DRIVE STYLE
(ABQZ) TORQUE
NOMINAL THREAD DIAMETER
(AHYM) 0.250 INCHES
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-S-633 FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIAL
(MATT) STEEL COMP 1010 OVERALL OR STEEL COMP 1011 OVERALL OR STEEL COMP 1015 OVERALL OR STEEL COMP 1016 OVERALL OR STEEL COMP 1018 OVERALL OR STEEL COMP 1019 OVERALL OR STEEL COMP 1020 OVERALL
PRIMARY WASHER MATERIAL THICKNESS
(CTJJ) 0.025 INCHES NOMINAL
PRIMARY WASHER OUTSIDE DIAMETER
(CSPG) 0.462 INCHES MINIMUM AND 0.474 INCHES MAXIMUM
PRIMARY WASHER STYLE
(CTHW) FLAT EXTERNAL TEETH
THREAD CLASS
(AAJD) 2A
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD LENGTH
(AASA) 0.625 INCHES MAXIMUM
THREAD SERIES DESIGNATOR
(THSD) UNC
THREAD QUANTITY PER INCH
(CMLP) 20
WASHER QUANTITY
(AAVW) 1
SURFACE TREATMENT
(SFTT) CADMIUM OVERALL OR ZINC OVERALL

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