Product Details | KEY WASHER

5310-00-625-3891 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: BACW10BW27, 5310-00-625-3891, 00-625-3891, 5310006253891, 006253891

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 05 MAR 1975 00-625-3891

Drawings & Photos | NSN 5310-00-625-3891


Cross Reference | NSN 5310-00-625-3891

Part Number Cage Code Manufacturer
BACW10BW27 81205 THE BOEING COMPANY DBA BOEING

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Technical Data | NSN 5310-00-625-3891

Characteristic Specifications
MATERIAL STEEL COMP 4130 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PHOSPHATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-P-16232,TYPE Z,CLASS A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM
STYLE DESIGNATOR 142 KEY
EXTERNAL KEY QUANTITY 4
INTERNAL KEY QUANTITY 2
HOLE DIAMETER 3.167 INCHES MINIMUM AND 3.187 INCHES MAXIMUM
OUTSIDE DIAMETER 3.690 INCHES MINIMUM AND 3.710 INCHES MAXIMUM
EXTERNAL STRAIGHT KEY WIDTH 0.150 INCHES MINIMUM AND 0.170 INCHES MAXIMUM
INTERNAL STRAIGHT KEY WIDTH 0.290 INCHES MINIMUM AND 0.300 INCHES MAXIMUM
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY 1.428 INCHES MINIMUM AND 1.448 INCHES MAXIMUM
OVERALL DISTANCE INCLUDING KEYS 3.858 INCHES MINIMUM AND 3.878 INCHES MAXIMUM
MATERIAL THICKNESS 0.046 INCHES MINIMUM AND 0.054 INCHES MAXIMUM
SURFACE FINISH 63.0 MICROINCHES TOP 63.0 MICROINCHES BOTTOM
SPECIAL FEATURES INTERNAL KEYS 180 DEG APART OFFSET 13 DEG 3 MIN 52 SEC FROM CENTER LINE OF EXTERNAL KEYS
MANUFACTURERS CODE 81205
DESIGN CONTROL REFERENCE BACW10BW27

Restrictions/Controls & Freight Information | NSN 5310-00-625-3891

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 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 713 unknown
Originating Activity Code CT U.S. Army Aviation and Missile Command (AIR)
Redstone Arsenal, AL 35898-5230
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