4520-01-391-1055 TERMINAL,VENTILATION DUCT Index 1015-01-391-1057 BASEPLATE,MORTAR

National Stock Number:
5340-01-391-1056

Federal Supply Class:
5340

National Item Identification Number:
013911056

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:
1095576419200US ARMY ARDEC RDECOM


Techincal Specification:
BODY RADIUS0.125 INCHES NOMINAL
BODY THICKNESS0.531 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLEFLAT W/OPEN CENTER
DISTANCE BETWEEN HOLES ALONG LENGTH5.250 INCHES NOMINAL
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH0.438 INCHES NOMINAL
EAR RADIUS0.438 INCHES NOMINAL
INVERTED RADIUS0.188 INCHES NOMINAL
LENGTH6.250 INCHES NOMINAL
MATERIALSTEEL COMP 1025
PERIPHERAL SHAPE STYLEROUND, TWO EARS AND HOLES
SECURING DEVICE TYPESPECIAL


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