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National Stock Number: 5340-01-357-1795
Federal Supply Class: 5340
National Item Identification Number: 013571795
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:
5267868 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
BODY THICKNESS | 0.480 INCHES NOMINAL | CORNER RADIUS | 0.310 INCHES NOMINAL | CROSS-SECTIONAL SHAPE STYLE | CIRCULAR RECESS | DISTANCE BETWEEN HOLES ALONG WIDTH | 3.625 INCHES NOMINAL | DISTANCE BETWEEN HOLES ALONG LENGTH | 3.625 INCHES NOMINAL | DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH | 0.312 INCHES NOMINAL | DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH | 0.312 INCHES NOMINAL | FEATURES PROVIDED | SPECIAL MARKING | FIRST RECESS INSIDE HEIGHT | 6.340 INCHES NOMINAL | FLANGE THICKNESS | 0.310 INCHES NOMINAL | HOLE DIAMETER | 0.281 INCHES NOMINAL | INSIDE CORNER RADIUS | 0.250 INCHES NOMINAL | INSIDE DIAMETER | 3.528 INCHES MINIMUM AND 3.538 INCHES MAXIMUM | LENGTH | 4.250 INCHES NOMINAL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-A-21180,A357.0 CL 2 GR B MIL SPEC SINGLE MATERIAL RESPONSE | MATERIAL | ALUMINUM ALLOY | MOUNTING OPENING SHAPE STYLE | UNTHREADED HOLE | PERIPHERAL SHAPE STYLE | RECTANGLE, FOUR HOLES | SECURING DEVICE TYPE | SPECIAL | WIDTH | 4.250 INCHES NOMINAL | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-22750 MIL SPEC SINGLE TREATMENT RESPONSE AND MIL-C-22751 MIL SPEC SINGLE TREATMENT RESPONSE | SURFACE TREATMENT | PLASTIC POLYAMIDE AND PLASTIC EPOXY |
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