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National Stock Number:
5340-01-343-5749
Federal Supply Class:
5340
National Item Identification Number:
013435749
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:
| G256937-1 | 3B150 | RAYTHEON COMPANY | | G256937-1 | 49956 | RAYTHEON COMPANY |
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Techincal Specification:
| DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH | 0.370 INCHES NOMINAL | | DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH | 1.375 INCHES NOMINAL | | BODY THICKNESS | 0.060 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | SQUARE OR RECTANGULAR RECESS | | FEATURES PROVIDED | SPECIAL MARKING | | FIRST RECESS INSIDE HEIGHT | 2.460 INCHES NOMINAL | | FLANGE THICKNESS | 0.060 INCHES NOMINAL | | HOLE DIAMETER | 0.213 INCHES MINIMUM AND 0.216 INCHES MAXIMUM | | INSIDE CORNER RADIUS | 0.130 INCHES NOMINAL | | INSIDE LENGTH | 1.750 INCHES NOMINAL | | INSIDE WIDTH | 2.800 INCHES NOMINAL | | LENGTH | 2.920 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/8-H32 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 5052 | | MOUNTING OPENING SHAPE STYLE | UNTHREADED HOLE | | PERIPHERAL SHAPE STYLE | RECTANGLE, ONE CENTER HOLE | | SECURING DEVICE TYPE | SPECIAL | | SPECIAL FEATURES | MTG TAB 1.000 IN. BY 0.690 IN. ON BACK WITH CLINCH NUT MS45938/4-5 IN MTG HOLE; 2ND CLINCH NUT IN FRONT MTG HOLE | | WIDTH | 2.740 INCHES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE | | SURFACE TREATMENT | CHROMATE |
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