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National Stock Number:
5340-01-078-2436
Federal Supply Class:
5340
National Item Identification Number:
010782436
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:
| 1884920 | 21877 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| BODY THICKNESS | 0.156 INCHES MINIMUM AND 0.219 INCHES MAXIMUM | | BOLT CIRCLE DIAMETER | 5.120 INCHES MINIMUM AND 5.130 INCHES MAXIMUM | | BOLT CIRCLE HOLE QUANTITY | 6 | | CROSS-SECTIONAL SHAPE STYLE | CIRCULAR RECESS | | FIRST RECESS INSIDE HEIGHT | 1.062 INCHES NOMINAL | | FLANGE THICKNESS | 0.250 INCHES NOMINAL | | HOLE DIAMETER | 0.203 INCHES NOMINAL | | INSIDE CORNER RADIUS | 0.125 INCHES MAXIMUM | | INSIDE DIAMETER | 4.000 INCHES NOMINAL | | OUTSIDE DIAMETER | 5.495 INCHES MINIMUM AND 5.500 INCHES MAXIMUM | | MATERIAL | COPPER ALLOY | | MOUNTING OPENING SHAPE STYLE | UNTHREADED HOLE | | SPECIAL FEATURES | 3 ADDED OPENINGS AND MTG HOLE MODREQUIRED PER DWG 1884920 FSCM 21877 | | PERIPHERAL SHAPE STYLE | ROUND, MULTI HOLES | | SECURING DEVICE TYPE | THREADED FASTENER | | SURFACE TREATMENT | PAINT |
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