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National Stock Number:
5340-01-061-0797
Federal Supply Class:
5340
National Item Identification Number:
010610797
Description:
FRAME,ACCESS HOLE
Detail:
A RIGID ITEM DESIGNED TO FRAME A STRUCTURAL OPENING FOR REINFORCEMENT PURPOSES AND/OR TO ACCOMMODATE COVERS, ACCESS (AS MODIFIED) AND DOORS, ACCESS (AS MODIFIED).
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Manufacturer Information:
| 12257531 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| APERTURE DIAMETER | 3.700 INCHES NOMINAL | | OVERALL DIAMETER | 4.180 INCHES NOMINAL | | OVERALL THICKNESS | 0.036 INCHES NOMINAL | | MOUNTING FACILITY DIAMETER | 0.281 INCHES NOMINAL | | MOUNTING METHOD | THREADED HOLE | | NOMINAL THREAD SIZE | 0.250 INCHES | | SPECIAL FEATURES | 1 EXTERNAL FLAT 1.970 FROM APERTURE CENTER; 1 EXTERNAL FLAT 81 DEG FROMFIRST; 1 INTERNAL FLAT 1.640 FROM APERTURE CENTER PARALLEL TO 1ST EXT FLAT | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD-171,FINISH 5.4.1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD QUANTITY PER INCH | 20 |
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