5340-01-225-1215 SEAT,HELICAL COMPRESSION SPRING Index 5340-01-225-1217 COVER,ACCESS

National Stock Number:
5340-01-225-1216

Federal Supply Class:
5340

National Item Identification Number:
012251216

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:
931142019200US ARMY ARDEC RDECOM


Techincal Specification:
BODY THICKNESS0.043 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLEFLAT
DISTANCE BETWEEN HOLES ALONG LENGTH2.000 INCHES NOMINAL AND 2.500 INCHES NOMINAL
DISTANCE BETWEEN HOLES ALONG WIDTH1.500 INCHES NOMINAL
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH1.095 INCHES NOMINAL
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH0.940 INCHES NOMINAL
HOLE QUANTITY ALONG LENGTH8
HOLE QUANTITY ALONG WIDTH4
LENGTH8.720 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE
MATERIALALUMINUM ALLOY 6061
PERIPHERAL SHAPE STYLERECTANGLE, MULTI HOLES
SECURING DEVICE TYPETHREADED FASTENER
WIDTH3.405 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541, CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENTCHROMATE


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