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National Stock Number:
5340-01-296-8783
Federal Supply Class:
5340
National Item Identification Number:
012968783
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:
| 5267854 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| BODY THICKNESS | 0.400 INCHES NOMINAL | | CORNER RADIUS | 0.935 INCHES MINIMUM AND 0.939 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | SQUARE OR RECTANGULAR RECESS | | FIRST RECESS INSIDE HEIGHT | 4.300 INCHES NOMINAL | | HOLE DIAMETER | 0.404 INCHES NOMINAL | | INSIDE ANGLE | 3.0 DEGREES NOMINAL | | LENGTH | 6.250 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/11-T6 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 6061 | | MOUNTING OPENING SHAPE STYLE | UNTHREADED HOLE | | PERIPHERAL SHAPE STYLE | RECTANGLE, NO HOLES | | SECURING DEVICE TYPE | SPECIAL | | SPECIAL FEATURES | CENTRAL MTG HOLE COUNTERBORED 1.250 IN. DIA BY 0.270 IN. DP W/BOTTOM FINISH 63.0 MICROINCHES; EIGHT REINFORCING RIBS RADIATING FROM CENTER; SIDE WALLS 0.130 IN. THK; INTERNAL PERIPHERAL APERTURE 32.0 MICROINCH FINISH EXTENDING 0.620 IN. FROM OPEN END AND INCL A PERIPHERAL BEVEL 20.0 DEG BY 0.180 IN.; COLOR BLACK O/A; USED W/VALVE PACKAGE NO. 2 | | WIDTH | 12.000 INCHES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TY 3,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE | | SURFACE TREATMENT | ANODIZE |
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