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National Stock Number:
5340-01-334-0021
Federal Supply Class:
5340
National Item Identification Number:
013340021
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:
| 12918998 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| BODY THICKNESS | 0.500 INCHES NOMINAL | | BOLT CIRCLE DIAMETER | 2.500 INCHES NOMINAL | | BOLT CIRCLE HOLE QUANTITY | 4 | | FIRST RECESS INSIDE HEIGHT | 0.930 INCHES NOMINAL | | FLANGE THICKNESS | 0.190 INCHES NOMINAL | | HOLE DIAMETER | 0.260 INCHES MINIMUM AND 0.300 INCHES MAXIMUM | | INSIDE DIAMETER | 1.720 INCHES NOMINAL | | OUTSIDE DIAMETER | 3.000 INCHES NOMINAL | | MATERIAL | STEEL COMP 4130 OR STEEL COMP 8630 OR STEEL | | MOUNTING OPENING SHAPE STYLE | UNTHREADED HOLE | | SPECIAL FEATURES | ALTERNATE FINISH PHOSPHATE MANGANESE,FINISH 5.3.1.3,MIL-STD-171; 4TH HOLE 0.249 IN. MIN AND 0.253 IN. MAS DIA | | PERIPHERAL SHAPE STYLE | ROUND, MULTI HOLES | | SECURING DEVICE TYPE | SPECIAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 171 MIL STD SINGLE TREATMENT RESPONSE | | SURFACE TREATMENT | PLASTIC EPOXY |
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