Product Details | KEY WASHER

5310-01-208-4146 A washer of nonresilient material usually having two parallel bearing surfaces. The outside and/or inside edges have one or more protuberances. The ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. The keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. Excludes thrust type washer.

Part Alternates: MS2125855, MS21258-55, 5310-01-208-4146, 01-208-4146, 5310012084146, 012084146

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 13 MAY 1985 01-208-4146

Drawings & Photos | NSN 5310-01-208-4146


Demand History | NSN 5310-01-208-4146

Part Number Request Date QTY Origin
5310-01-208-4146 2019-11-318 26 DIBBS
5310-01-208-4146 2019-10-289 4 DIBBS

Cross Reference | NSN 5310-01-208-4146

Part Number Cage Code Manufacturer
MS21258-55 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES
MS21258-55 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

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Technical Data | NSN 5310-01-208-4146

Characteristic Specifications
MATERIAL STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL COMP 1025 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION ASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENT CADMIUM OR ZINC OVERALL
STYLE DESIGNATOR 154 KEY
INTERNAL KEY QUANTITY 1
HOLE DIAMETER 3.443 INCHES MINIMUM AND 3.453 INCHES MAXIMUM
OUTSIDE DIAMETER 4.720 INCHES MINIMUM AND 4.780 INCHES MAXIMUM
INTERNAL STRAIGHT KEY WIDTH 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY 1.552 INCHES MINIMUM AND 1.562 INCHES MAXIMUM
MATERIAL THICKNESS 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM

Restrictions/Controls & Freight Information | NSN 5310-01-208-4146

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: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 194160 WASHER OR GASKETS, IRON OR STEEL,
Less than car load rating U 50
Less than truck load rating U 50.0
Water commodity Code 573 unknown
Originating Activity Code 9Z DLIS-K
Battle Creek, MI 49037-3084
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity
Air Special Handling Z No special handling required.
Special Handling Code Z unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable