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National Stock Number:
5310-01-288-9546
Federal Supply Class:
5310
National Item Identification Number:
012889546
Description:
NUT,SELF-LOCKING,EXTENDED WASHER
Detail:
A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery. An integral feature is incorporated for locking on the threads of a mating member.
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Manufacturer Information:
| NAS1291C5 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| THREAD SERIES | UNJF | | NOMINAL THREAD SIZE | 0.312 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 1 OR 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 49.0 ROCKWELL C MAXIMUM | | NUT STYLE | HEXAGON | | WASHER OUTSIDE DIAMETER | 0.520 INCHES NOMINAL | | OVERALL HEIGHT | 0.253 INCHES MINIMUM AND | | 0.266 INCHES MAXIMUM | | WASHER THICKNESS | 0.023 INCHES MINIMUM | | WIDTH ACROSS FLATS | 0.367 INCHES MINIMUM AND | | 0.378 INCHES MAXIMUM | | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN | | SPECIFICATION/STANDARD DATA | 80205-NAS1291 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
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