NSN 5340-01-171-1891

Part Details | ACCESS COVER

5340-01-171-1891 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: 5187341, 2925027A, 5187341, 5340-01-171-1891, 01-171-1891, 5340011711891, 011711891

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53FEB 04, 198401-171-189129785 ( COVER, ACCESS )
REFERENCE DRAWINGS & PICTURES

CIRCULAR RECESS

ROUND, MULTI HOLES

UNTHREADED HOLE

Cross Reference | NSN 5340-01-171-1891
Part Number Cage Code Manufacturer
518734153711NAVAL SEA SYSTEMS COMMAND
2925027A53711NAVAL SEA SYSTEMS COMMAND
518734115090RAYTHEON COMPANYDBA RAYTHEON
Technical Data | NSN 5340-01-171-1891
Characteristic Specifications
SECURING DEVICE TYPE THREADED FASTENER
PERIPHERAL SHAPE STYLE ROUND, MULTI HOLES
BOLT CIRCLE DIAMETER4.188 INCHES NOMINAL
OUTSIDE DIAMETER4.500 INCHES NOMINAL
BOLT CIRCLE HOLE QUANTITY8
CROSS-SECTIONAL SHAPE STYLE6 CIRCULAR RECESS
BODY THICKNESS0.125 INCHES NOMINAL
MOUNTING OPENING SHAPE STYLE UNTHREADED HOLE
HOLE DIAMETER0.188 INCHES NOMINAL
SPECIAL FEATURES3 HOLES,0.188 IN DIA,SPACED IN TRIANGLE PATTERN ON FACE