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National Stock Number:
5340-00-509-0915
Federal Supply Class:
5340
National Item Identification Number:
005090915
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:
| 1560H37-188-3 | 81996 | U S ARMY AVIATION AND MISSILE COMMAND | | S1510-21373 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| BODY THICKNESS | 0.350 INCHES NOMINAL | | BODY RADIUS | 2.062 INCHES NOMINAL | | BOLT CIRCLE DIAMETER | 4.114 INCHES MINIMUM AND 4.134 INCHES MAXIMUM | | CORNER RADIUS | 0.380 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | CIRCULAR RECESS | | FEATURES PROVIDED | SEALING CAPABILITY | | FIRST RECESS INSIDE HEIGHT | 0.620 INCHES NOMINAL | | FLANGE THICKNESS | 0.187 INCHES NOMINAL | | HOLE DIAMETER | 0.272 INCHES NOMINAL | | INSIDE DIAMETER | 2.880 INCHES NOMINAL | | LENGTH | 4.505 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-M-40,AZ80A,COND F FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | MAGNESIUM ALLOY | | MOUNTING OPENING SHAPE STYLE | UNTHREADED HOLE | | PERIPHERAL SHAPE STYLE | TRIANGLE, ROUNDED CORNERS, THREE HOLES | | SECURING DEVICE TYPE | THREADED FASTENER | | SPECIAL FEATURES | ONE THREADED CENTER HOLE W/0.250-28 UMF CLASS 2B THREADS 0.156 IN. NOM DEEP | | WIDTH | 4.125 INCHES NOMINAL |
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