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National Stock Number:
5310-00-857-5557
Federal Supply Class:
5310
National Item Identification Number:
008575557
Description:
NUT,SELF-LOCKING,HEXAGON
Detail:
A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes NUT (1), SELF-LOCKING, CAP.
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Manufacturer Information:
| 28FH-428 | 56878 | SPS TECHNOLOGIES, LLC | | H55-4 | 15653 | HOWMET GLOBAL FASTENING SYSTEMS INC | | H55-4 | 75237 | HOWMET GLOBAL FASTENING SYSTEMS INC. | | MS21045L4 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | | MS21045L4 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | H55-4 | R1120 | SATAIR A/S | | RM1801-048 | 019L2 | ESNA, LLC | | SPS28GH428 | 56878 | SPS TECHNOLOGIES, LLC | | RM1801-048 | 72962 | HARVARD INDUSTRIES INC | | YE3200 | 75497 | LAMSON AND SESSIONS CO THE | | NAS1022AM4 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | | SL2374-4 | 97393 | SPS TECHNOLOGIES LLC |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | MATERIAL | STEEL OVERALL | | NUT STYLE | HEXAGON | | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN | | BEARING SURFACE TYPE | CHAMFERED | | THREAD SERIES | UNJF | | NOMINAL THREAD SIZE | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3B | | SURFACE TREATMENT | CADMIUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | NUT HEIGHT | 0.240 INCHES MINIMUM AND | | 0.328 INCHES MAXIMUM | | WIDTH ACROSS FLATS | 0.430 INCHES MINIMUM AND | | 0.439 INCHES MAXIMUM | | COUNTERSINK ANGLE | 88.0 DEGREES NOMINAL NUT | | LUBRICATION | DRY FILM LUBRICANT | | TEMP RATING | 450.0 DEG FAHRENHEIT NOMINAL | | BEARING SURFACE FINISH | 125.0 MICROINCHES |
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