Product Details | KEY WASHER

5310-00-345-6778 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: S14354428, S14-35-4428, 5310-00-345-6778, 00-345-6778, 5310003456778, 003456778

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-345-6778

Drawings & Photos | NSN 5310-00-345-6778


Cross Reference | NSN 5310-00-345-6778

Part Number Cage Code Manufacturer
S14-35-4428 78286 SIKORSKY AIRCRAFT CORPORATION

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Technical Data | NSN 5310-00-345-6778

Characteristic Specifications
MATERIAL STEEL COMP 302 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-5059 COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
STYLE DESIGNATOR 148 KEY
EXTERNAL KEY QUANTITY 17
HOLE DIAMETER 1.792 INCHES MINIMUM AND 1.817 INCHES MAXIMUM
OUTSIDE DIAMETER 2.281 INCHES MINIMUM AND 2.311 INCHES MAXIMUM
INTERNAL PREBENT KEY LENGTH 0.125 INCHES MINIMUM AND 0.156 INCHES MAXIMUM
EXTERNAL STRAIGHT KEY WIDTH 0.219 INCHES MINIMUM AND 0.234 INCHES MAXIMUM
INTERNAL STRAIGHT KEY WIDTH 0.250 INCHES MINIMUM AND 0.290 INCHES MAXIMUM
INTERNAL PREBENT KEY WIDTH 0.250 INCHES MINIMUM AND 0.290 INCHES MAXIMUM
OVERALL DISTANCE INCLUDING KEYS 2.844 INCHES NOMINAL
MATERIAL THICKNESS 0.059 INCHES NOMINAL
MANUFACTURERS CODE 78286
DESIGN CONTROL REFERENCE S14-35-4428

Restrictions/Controls & Freight Information | NSN 5310-00-345-6778

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
No Freight Information