NSN 5340-00-591-4977

Part Details | ACCESS COVER

5340-00-591-4977 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: 818166, 5340-00-591-4977, 00-591-4977, 5340005914977, 005914977

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-591-497729785 ( COVER, ACCESS )
REFERENCE DRAWINGS & PICTURES

CIRCULAR RECESS

RECTANGLE, MULTI HOLES

UNTHREADED HOLE

Cross Reference | NSN 5340-00-591-4977
Part Number Cage Code Manufacturer
81816656232LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN
Technical Data | NSN 5340-00-591-4977
Characteristic Specifications
SECURING DEVICE TYPE THREADED FASTENER
MATERIAL ALUMINUM ALLOY 5052
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250 TO 8,H34 FED SPEC SINGLE MATERIAL RESPONSE
PERIPHERAL SHAPE STYLE9 RECTANGLE, MULTI HOLES
OUTSIDE DIAMETER2.136 INCHES MINIMUM AND 2.146 INCHES MAXIMUM
BOLT HOLE CENTERLINE TO NEAREST EDGE DISTANCE0.725 INCHES MINIMUM AND 0.730 INCHES MAXIMUM
DISTANCE BETWEEN HOLE CENTERS0.687 INCHES NOMINAL
HOLE QUANTITY ALONG LENGTH2
CROSS-SECTIONAL SHAPE STYLE0 CIRCULAR RECESS
INSIDE DIAMETER2.072 INCHES MINIMUM AND 2.082 INCHES MAXIMUM
FLANGE THICKNESS0.032 INCHES NOMINAL
FIRST RECESS INSIDE HEIGHT0.833 INCHES MINIMUM AND 0.843 INCHES MAXIMUM
INSIDE CORNER RADIUS0.188 INCHES NOMINAL
BODY THICKNESS0.032 INCHES NOMINAL
MOUNTING OPENING SHAPE STYLE UNTHREADED HOLE
HOLE DIAMETER0.140 INCHES NOMINAL
FSC APPLICATION DATACONTROL RATE GYRO