NSN 5340-01-057-1972

Part Details | ACCESS COVER

5340-01-057-1972 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 (as modified). Excludes all covers not specifically designed to provide access for the purposes listed above.

Alternate Parts: 814895501, 8148955-01, F3111306, F311130-6, 5340-01-057-1972, 01-057-1972, 5340010571972, 010571972

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 08, 197801-057-197229785 ( COVER, ACCESS )
REFERENCE DRAWINGS & PICTURES

CIRCULAR RECESS

RECTANGLE, NO HOLES

UNTHREADED HOLE

Cross Reference | NSN 5340-01-057-1972
Part Number Cage Code Manufacturer
8148955-0198748AIR FORCE UNITED STATES DEPARTMENTOF THE
F311130-681205THE BOEING COMPANYDBA BOEING
Technical Data | NSN 5340-01-057-1972
Characteristic Specifications
MATERIAL ALUMINUM ALLOY 2024
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250 TO 4 FED SPEC SINGLE MATERIAL RESPONSE
PERIPHERAL SHAPE STYLE3 RECTANGLE, NO HOLES
WIDTH2.370 INCHES NOMINAL
LENGTH2.370 INCHES NOMINAL
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH0.281 INCHES NOMINAL
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH0.281 INCHES NOMINAL
DISTANCE BETWEEN HOLES ALONG LENGTH1.808 INCHES NOMINAL
DISTANCE BETWEEN HOLES ALONG WIDTH1.808 INCHES NOMINAL
CORNER RADIUS0.281 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLE6 CIRCULAR RECESS
BODY THICKNESS0.310 INCHES NOMINAL
MOUNTING OPENING SHAPE STYLE UNTHREADED HOLE
HOLE DIAMETER0.265 INCHES NOMINAL
FEATURES PROVIDED SEALING CAPABILITY
END ITEM IDENTIFICATIONC-135 AIRCRAFT