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National Stock Number:
5340-00-457-6731
Federal Supply Class:
5340
National Item Identification Number:
004576731
Description:
COVER,ACCESS
Detail:
A rigid or flexible item of various shapes attached to a structure for the purpose of providing access for inspection, service, replacement of components and/or adjustments or mounting operations. It is designed to be attached by means of bolt holes, slots, mounting ears, tabs, and the like. To permit access, the mounted cover requires partial or complete removal. It may include an observation window. For items permanently attached by hinges and the like, see DOOR, ACCESS. Excludes all covers not specifically designed to provide access for the purposes listed above.
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Manufacturer Information:
| 8761029 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| BODY THICKNESS | 0.036 INCHES NOMINAL | | BODY RADIUS | 0.620 INCHES NOMINAL | | CORNER RADIUS | 1.380 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | CIRCULAR RECESS | | DISTANCE BETWEEN HOLES ALONG WIDTH | 4.750 INCHES NOMINAL | | DISTANCE BETWEEN HOLES ALONG LENGTH | 2.590 INCHES NOMINAL | | DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH | 1.790 INCHES NOMINAL | | DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH | 0.630 INCHES NOMINAL | | FEATURES PROVIDED | OBSERVATION FACILITY | | FIRST RECESS INSIDE HEIGHT | 1.148 INCHES NOMINAL | | FLANGE THICKNESS | 0.036 INCHES NOMINAL | | HOLE DIAMETER | 0.375 INCHES NOMINAL | | INSIDE CORNER RADIUS | 0.150 INCHES NOMINAL | | INSIDE DIAMETER | 3.548 INCHES NOMINAL | | LENGTH | 5.510 INCHES NOMINAL | | MATERIAL | STEEL | | MOUNTING OPENING SHAPE STYLE | UNTHREADED HOLE | | PERIPHERAL SHAPE STYLE | OVAL, FOUR HOLES | | SECURING DEVICE TYPE | THREADED FASTENER | | WIDTH | 4.380 INCHES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | TT-E-489,COLOR NO. 17033 FED SPEC SINGLE TREATMENT RESPONSE | | SURFACE TREATMENT | ENAMEL |
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