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National Stock Number:
5310-01-223-6530
Federal Supply Class:
5310
National Item Identification Number:
012236530
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:
| BH00529-4 | 27238 | BRISTOL INDUSTRIES, LLC | | KFN556-4 | 12733 | VSI CORP SUB OF FAIRCHILD INDUSTRIES INC | | KFN556-4 | 15653 | HOWMET GLOBAL FASTENING SYSTEMS INC | | KFN556-4 | 17446 | HUCK INTERNATIONAL, INC | | KFN556-4 | 27238 | BRISTOL INDUSTRIES, LLC | | KFN556-4 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | KFN556-4 | 97928 | HUCK INTL INC |
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Techincal Specification:
| THREAD SERIES | UNJF | | NOMINAL THREAD SIZE | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | STEEL COMP 8740 OR | | STEEL COMP E4340 NUT | | PLASTIC POLYTETRAFLUOROETHYLENE WASHER | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR | | MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE NUT | | MIL-P-19468 MIL SPEC SINGLE MATERIAL RESPONSE WASHER | | SURFACE TREATMENT | CADMIUM AND | | CHROMATE NUT | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE NUT | | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND | | 43.0 ROCKWELL C MAXIMUM | | NUT STYLE | HEXAGON | | WASHER OUTSIDE DIAMETER | 0.461 INCHES MAXIMUM | | OVERALL HEIGHT | 0.380 INCHES MAXIMUM | | WASHER THICKNESS | 0.107 INCHES MINIMUM AND | | 0.111 INCHES MAXIMUM | | WIDTH ACROSS FLATS | 0.305 INCHES MINIMUM AND | | 0.313 INCHES MAXIMUM | | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN | | SPECIAL FEATURES | CETYL ALCOHOL LUBRICANT PER MIL-L-87132,TY 1,GRADE A |
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