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National Stock Number:
5306-00-149-9557
Federal Supply Class:
5306
National Item Identification Number:
001499557
Description:
BOLT,RIBBED NECK
Detail:
A HEADED EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER WITH A SERIES OF LONGITUDINAL RIBS, SPLINES OR SERRATIONS ON ALL OR PART OF THE UNTHREADED PORTION. SEE ALSO BOLT, RIBBED SHOULDER.
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Manufacturer Information:
| 5340-6923 | 19953 | CEMSCO INC | | 68B6923 | 18894 | AIR ARMAMENT CENTER/ EN | | 68B6923-1 | 18894 | AIR ARMAMENT CENTER/ EN | | 68B6923-1 | 88752 | ESSEX GROUP INC POWER CONDUCTOR DIV | | 68B6923-1 | 98750 | SAN ANTONIO AIR LOGISTICS CENTER | | 68B6923 | 98752 | WARNER ROBINS AIR LOGISTICS CENTER |
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Techincal Specification:
| FASTENER LENGTH | 3.750 INCHES NOMINAL | | HEAD HEIGHT | 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | RIB LENGTH | 0.940 INCHES MINIMUM AND 1.060 INCHES MAXIMUM | | RIB MAJOR DIAMETER | 0.505 INCHES MINIMUM AND 0.508 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.250 INCHES MINIMUM AND 1.438 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 20 |
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