Product Details | ASSEMBLED WASHER SCREW

5305-00-531-0139 A SCREW, (as modified) to which has been assembled one or more nonremovable washer(s).

Part Alternates: 593595, 5305-00-531-0139, 00-531-0139, 5305005310139, 005310139

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-531-0139

Drawings & Photos | NSN 5305-00-531-0139


Cross Reference | NSN 5305-00-531-0139

Part Number Cage Code Manufacturer
593595 21450 ARMY WEAPONS COMMAND ATTN AMSWE-REE-S

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Technical Data | NSN 5305-00-531-0139

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.312 INCHES MAXIMUM
FASTENER LENGTH 0.438 INCHES NOMINAL
SURFACE TREATMENT CADMIUM OR ZINC OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TY 1,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 1,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
HARDNESS RATING 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM PRIMARY WASHER
HEAD STYLE C44 FILLISTER
HEAD DIAMETER 0.389 INCHES MINIMUM AND 0.414 INCHES MAXIMUM
HEAD HEIGHT 0.155 INCHES MINIMUM AND 0.170 INCHES MAXIMUM
INTERNAL DRIVE STYLE D1 CROSS RECESS TYPE 1
WASHER QUANTITY 1
PRIMARY WASHER STYLE G9 SPLIT HELICAL RING
PRIMARY WASHER OUTSIDE DIAMETER 0.384 INCHES MINIMUM AND 0.400 INCHES MAXIMUM
PRIMARY WASHER MATERIAL THICKNESS 0.063 INCHES MINIMUM
MANUFACTURERS CODE 21450
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE 593595

Restrictions/Controls & Freight Information | NSN 5305-00-531-0139

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3)
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 713 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable