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National Stock Number:
5307-01-204-2219
Federal Supply Class:
5307
National Item Identification Number:
012042219
Description:
STUD,SELF-LOCKING
Detail:
A headed fastener threaded externally on a portion or on the full length of the shank. The head has projections on the underside or periphery, or is otherwise designed to be mechanically pressed and embedded in a metallic panel, or the like. It is securely locked in position by the displaced metal. For items that require locking rings, see BOLT, SELF-LOCKING and STUD, LOCKED IN. Excludes INSERT, SCREW THREAD.
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Manufacturer Information:
| 70219-02556-101 | 65780 | TEK PRECISION CO LIMITED | | 70219-02556-101 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| DISTANCE ACROSS FLATS | 0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM | | DISTANCE FROM COTTER PIN HOLE CENTERLINE TO NUT END | 0.187 INCHES NOMINAL FIRST HOLE | | COTTER PIN HOLE DIAMETER | 0.109 INCHES NOMINAL FIRST HOLE | | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM | | HEAD DIAMETER | 0.610 INCHES MINIMUM AND 0.630 INCHES MAXIMUM | | HEAD LENGTH | 0.337 INCHES NOMINAL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD SIZE | 0.375 INCHES NUT THREAD | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL | | THREAD CLASS | 3A NUT THREAD | | THREAD DIRECTION | RIGHT-HAND NUT THREAD | | THREAD LENGTH | 0.470 INCHES MINIMUM NUT THREAD AND 0.530 INCHES MAXIMUM NUT THREAD | | THREAD QUANTITY PER INCH | 24 NUT THREAD | | THREAD SERIES DESIGNATOR | UNJF NUT THREAD |
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