Product Details | ASSEMBLED WASHER SCREW

5305-00-042-4985 A SCREW, (as modified) to which has been assembled one or more nonremovable washer(s).

Part Alternates: 424985, 5305-00-042-4985, 00-042-4985, 5305000424985, 000424985

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-042-4985

Drawings & Photos | NSN 5305-00-042-4985


Cross Reference | NSN 5305-00-042-4985

Part Number Cage Code Manufacturer
424985 21450 ARMY WEAPONS COMMAND ATTN AMSWE-REE-S

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Technical Data | NSN 5305-00-042-4985

Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 28
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.500 INCHES MAXIMUM
FASTENER LENGTH 0.500 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION SAE ASSN STD 3RD MATERIAL RESPONSE OR SAE ASSN STD 4TH MATERIAL RESPONSE OVERALL
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 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM PRIMARY WASHER
HEAD STYLE C37 ROUND
HEAD DIAMETER 0.443 INCHES MINIMUM AND 0.472 INCHES MAXIMUM
HEAD HEIGHT 0.160 INCHES MINIMUM AND 0.175 INCHES MAXIMUM
INTERNAL DRIVE STYLE D1 CROSS RECESS TYPE 1
WASHER QUANTITY 1
PRIMARY WASHER STYLE G2 FLAT INTERNAL TEETH
PRIMARY WASHER OUTSIDE DIAMETER 0.466 INCHES MINIMUM AND 0.478 INCHES MAXIMUM
PRIMARY WASHER MATERIAL THICKNESS 0.025 INCHES NOMINAL
MANUFACTURERS CODE 21450
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE 424985

Restrictions/Controls & Freight Information | NSN 5305-00-042-4985

Category Code Description
Shelf-Life Code:0Nondeteriorative
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.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
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