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National Stock Number:
5340-01-285-7057
Federal Supply Class:
5340
National Item Identification Number:
012857057
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:
| 717538425-001 | 04939 | LOCKHEED MARTIN CORPORATION | | 717538425-002 | 04939 | LOCKHEED MARTIN CORPORATION |
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Techincal Specification:
| BODY THICKNESS | 0.250 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | FLAT, SQUARE OR RECTANGULAR RIB REINFORCED | | DISTANCE BETWEEN HOLES ALONG LENGTH | 6.608 INCHES NOMINAL | | DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH | 0.196 INCHES NOMINAL | | DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH | 0.663 INCHES NOMINAL | | FLANGE THICKNESS | 0.062 INCHES NOMINAL | | HOLE DIAMETER | 0.168 INCHES MINIMUM AND 0.174 INCHES MINIMUM | | HOLE QUANTITY ALONG LENGTH | 2 | | LENGTH | 7.000 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/11-T6 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 6061 | | MOUNTING OPENING SHAPE STYLE | UNTHREADED HOLE | | PERIPHERAL SHAPE STYLE | RECTANGLE, MULTI HOLES | | SECURING DEVICE TYPE | SPECIAL | | SPECIAL FEATURES | RECTANGULAR GROOVE 6.248 IN. LG O/A BY 1.200 IN. W O/A,0.057 IN. MIN 0.067 IN. MAX GROOVE W; 0.025 IN. MAIN 0.035 IN. MAX GROOVE DP; MOLDED IN PLACE GASKET OF ELECTRICALLY CONDUCTIVE ELASTOMER IN GROOVE,717806052,MARTIN MARIETTA CORP | | WIDTH | 1.325 INCHES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 717806000,CODE 3405,MARTIN MARIETTA CORP MFR REF SINGLE TREATMENT RESPONSE | | SURFACE TREATMENT | NICKEL |
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