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National Stock Number:
5340-01-211-6780
Federal Supply Class:
5340
National Item Identification Number:
012116780
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:
| 912112-1 | 3B150 | RAYTHEON COMPANY | | 912112-1 | 49956 | RAYTHEON COMPANY | | 912112-1 | 54X10 | RAYTHEON COMPANY | | 912112-100 | 49956 | RAYTHEON COMPANY |
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Techincal Specification:
| EAR RADIUS | 0.380 INCHES NOMINAL | | BODY RADIUS | 4.000 INCHES NOMINAL | | BODY THICKNESS | 0.130 INCHES NOMINAL | | BOLT CIRCLE DIAMETER | 8.312 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | CIRCULAR RECESS | | FIRST RECESS INSIDE HEIGHT | 3.760 INCHES NOMINAL | | FLANGE THICKNESS | 0.130 INCHES NOMINAL | | HOLE DIAMETER | 0.250 INCHES NOMINAL | | INSIDE CORNER RADIUS | 0.120 INCHES NOMINAL | | INSIDE DIAMETER | 6.560 INCHES NOMINAL | | INVERTED RADIUS | 0.380 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-A-21180,CL 12 MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 356.0 | | MOUNTING OPENING SHAPE STYLE | UNTHREADED HOLE | | PERIPHERAL SHAPE STYLE | ROUND, FOUR EARS AND HOLES | | SPECIAL FEATURES | MOUNTING HOLES 0.250-20 UNC 2B THREAD SIZE |
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