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National Stock Number:
5310-01-208-4146
Federal Supply Class:
5310
National Item Identification Number:
012084146
Description:
WASHER,KEY
Detail:
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.
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Manufacturer Information:
| MS21258-55 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | | MS21258-55 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| 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 | 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 |
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