5340-01-178-0251 COVER,ACCESS Index 5340-01-178-0253 DOOR,ACCESS,UTILITY

National Stock Number:
5340-01-178-0252

Federal Supply Class:
5340

National Item Identification Number:
011780252

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.


Manufacturer Information:
C31A3028-326512NORTHROP GRUMMAN SYSTEMS CORPORATION
C31A3086-126512NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
BODY THICKNESS0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLEFLAT W/OPEN CENTER
DISTANCE BETWEEN HOLES ALONG LENGTH5.360 INCHES MINIMUM AND 5.370 INCHES MAXIMUM
DISTANCE BETWEEN HOLES ALONG WIDTH2.620 INCHES MINIMUM AND 2.630 INCHES MAXIMUM
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH0.547 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
HOLE DIAMETER0.257 INCHES MINIMUM AND 0.259 INCHES MAXIMUM
LENGTH5.730 INCHES MINIMUM AND 5.750 INCHES MAXIMUM
MATERIALALUMINUM ALLOY 6061
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
PERIPHERAL SHAPE STYLERECTANGLE, FOUR HOLES
SECURING DEVICE TYPETURNLOCK FASTENER
SPECIAL FEATURESCENTER HOLE 2.625 IN. DIA,WITH 4 EQUALLY SPACED HOLES ON EDGE OF CENTER HOLE 0.113-0.119 IN. DIA; 4 TURNLOCK STUDS INCLUDED
WIDTH3.720 INCHES MINIMUM AND 3.750 INCHES MAXIMUM


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