NSN 5340-00-966-6521

Part Details | ACCESS COVER

5340-00-966-6521 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: 41506, 41506, 5340-00-966-6521, 00-966-6521, 5340009666521, 009666521

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-966-652129785 ( COVER, ACCESS )
REFERENCE DRAWINGS & PICTURES

CIRCULAR RECESS

ROUND, MULTIEARS AND HOLES

UNTHREADED HOLE

Cross Reference | NSN 5340-00-966-6521
Part Number Cage Code Manufacturer
4150631243SPACECRAFT ENGINEERING CO INC
4150681445TISON ENGINEERING INC
Technical Data | NSN 5340-00-966-6521
Characteristic Specifications
SECURING DEVICE TYPE THREADED FASTENER
MATERIAL ALUMINUM ALLOY 356.0
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-601,T6 FED SPEC SINGLE MATERIAL RESPONSE
SURFACE TREATMENT ANODIZE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE
PERIPHERAL SHAPE STYLE ROUND, MULTIEARS AND HOLES
BOLT CIRCLE DIAMETER3.312 INCHES NOMINAL
BOLT CIRCLE HOLE QUANTITY6
CROSS-SECTIONAL SHAPE STYLE CIRCULAR RECESS
INSIDE DIAMETER1.000 INCHES NOMINAL
FLANGE THICKNESS0.220 INCHES NOMINAL
FIRST RECESS INSIDE HEIGHT0.625 INCHES NOMINAL
INSIDE CORNER RADIUS0.020 INCHES MAXIMUM
MOUNTING OPENING SHAPE STYLE UNTHREADED HOLE
HOLE DIAMETER0.202 INCHES MINIMUM AND 0.207 INCHES MAXIMUM
FEATURES PROVIDED OBSERVATION FACILITY