4820-01-273-9503 VALVE,SAFETY RELIEF Index 1560-01-273-9505 COVER,ACCESS

National Stock Number:
5340-01-273-9504

Federal Supply Class:
5340

National Item Identification Number:
012739504

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:
1178498019200US ARMY ARDEC RDECOM


Techincal Specification:
BODY THICKNESS0.188 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLEFLAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/4 FED SPEC SINGLE MATERIAL RESPONSE
MATERIALALUMINUM ALLOY 2024
SECURING DEVICE TYPETHREADED FASTENER
SPECIAL FEATURESITEM IS OF IRREGULAR SHAPE,LARGEST OUTSIDE DIMENSIONS ARE 3.812 IN.WIDE,3.625 IN. HIGH,1 CORNER IS BEVELEDAT 45 DEGREE ANGLE,ITEM HAS 7 HOLES FOR MOUNTING PURPOSES 0.136 IN. DIA


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