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National Stock Number:
5310-00-279-4423
Federal Supply Class:
5310
National Item Identification Number:
002794423
Description:
NUT,SELF-LOCKING,EXTENDED WASHER
Detail:
A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.
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Manufacturer Information:
| 10121248 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | HW49660-4 | 15653 | HOWMET GLOBAL FASTENING SYSTEMS INC | | TLN1002CD3-4 | 17446 | HUCK INTERNATIONAL, INC | | TLN1002CD3-4 | 27624 | SPS TECHNOLOGIES LLC | | TLN1002CD3-4 | 56878 | SPS TECHNOLOGIES, LLC | | ST3M426C4M | 76301 | THE BOEING COMPANY | | TLN1002CD3-4 | 59563 | REID PRODUCTS INC. | | TLN1002CD3-4 | 80539 | SPS TECHNOLOGIES, LLC | | TLN1002CD3-4 | 89513 | GRIMES AEROSPACE CO | | TLN1002CD3-4 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | TLN1002CD3-4 | 97928 | HUCK INTL INC | | TLN1002CD3-4 | C4293 | ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH |
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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 | IRON ALLOY 660 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OR | | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | NUT STYLE | DOUBLE HEXAGON | | WASHER OUTSIDE DIAMETER | 0.460 INCHES MAXIMUM | | OVERALL HEIGHT | 0.271 INCHES MINIMUM AND | | 0.291 INCHES MAXIMUM | | WASHER THICKNESS | 0.072 INCHES NOMINAL | | WIDTH ACROSS FLATS | 0.305 INCHES MINIMUM AND | | 0.313 INCHES MAXIMUM | | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN | | NUT COUNTERBORE DEPTH | 0.067 INCHES MINIMUM AND | | 0.077 INCHES MAXIMUM NUT | | COUNTERBORE DIAMETER | 0.277 INCHES MINIMUM AND | | 0.287 INCHES MAXIMUM NUT | | LUBRICATION | DRY FILM LUBRICANT | | SPECIFICATION/STANDARD DATA | 76301-ST3M426 MANUFACTURERS STANDARD |
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