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NSN 5305-00-225-4558, 5305002254558
SCREW,ASSEMBLED WASHER

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 002254558
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 5305-00-225-4558

National Stock Number (NSN) 5305-00-225-4558, or NIIN 002254558, (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 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.

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 5305002254558 contains an unknown precious metal.

This information was last updated on .

Technical Characteristics

MATERIAL
(MATT) STEEL COMP 1010 BEARING SURFACE OF HEAD OR STEEL BEARING SURFACE OF HEAD
FASTENER LENGTH
(AASB) 0.497 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
HEAD DIAMETER
(AASL) 0.334 INCHES MINIMUM AND 0.358 INCHES MAXIMUM
HEAD HEIGHT
(AASU) 0.123 INCHES MINIMUM AND 0.137 INCHES MAXIMUM
HEAD STYLE
(AASK) ROUND
INTERNAL DRIVE STYLE
(ABQZ) SLOT
MATERIAL
(MATT) STEEL COMP 1010 OR STEEL BEARING SURFACE OF HEAD
MINIMUM TENSILE STRENGTH
(CQBC) 60000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER
(AHYM) 0.190 INCHES
PRIMARY WASHER MATERIAL THICKNESS
(CTJJ) 0.018 INCHES MINIMUM AND 0.020 INCHES MAXIMUM
PRIMARY WASHER OUTSIDE DIAMETER
(CSPG) 0.370 INCHES MINIMUM AND 0.381 INCHES MAXIMUM
PRIMARY WASHER STYLE
(CTHW) FLAT EXTERNAL TEETH
SURFACE TREATMENT
(SFTT) CADMIUM AND CHROMATE OVERALL
THREAD CLASS
(AAJD) 2A
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD LENGTH
(AASA) 0.477 INCHES MINIMUM AND 0.482 INCHES MAXIMUM
THREAD SERIES DESIGNATOR
(THSD) UNF
THREAD QUANTITY PER INCH
(CMLP) 32
WASHER QUANTITY
(AAVW) 1
SURFACE TREATMENT
(SFTT) CADMIUM OVERALL AND CHROMATE OVERALL

Manufacturer Part Numbers

A80448

RNCC
3
RNVC
2
5305002254558

002254558

002254558


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