4820-01-278-6630 VALVE,CHECK Index 5985-01-278-6632 ANTENNA

National Stock Number:
5340-01-278-6631

Federal Supply Class:
5340

National Item Identification Number:
012786631

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:
897990-13B150RAYTHEON COMPANY
897990-149956RAYTHEON COMPANY


Techincal Specification:
BODY THICKNESS0.032 INCHES NOMINAL
BOLT CIRCLE DIAMETER0.141 INCHES MINIMUM AND 0.147 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLESQUARE OR RECTANGULAR RECESS
DISTANCE BETWEEN HOLES ALONG LENGTH1.437 INCHES NOMINAL
DISTANCE BETWEEN HOLES ALONG WIDTH0.656 INCHES NOMINAL
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH0.281 INCHES NOMINAL
FIRST RECESS INSIDE HEIGHT0.780 INCHES NOMINAL
FLANGE THICKNESS0.032 INCHES NOMINAL
HOLE QUANTITY ALONG WIDTH2
HOLE QUANTITY ALONG LENGTH2
INSIDE CORNER RADIUS0.016 INCHES MINIMUM AND 0.047 INCHES MAXIMUM
INSIDE WIDTH1.380 INCHES MINIMUM AND 1.395 INCHES MAXIMUM
LENGTH2.000 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/8 FED SPEC SINGLE MATERIAL RESPONSE
MATERIALALUMINUM ALLOY 5052
WIDTH1.316 INCHES MINIMUM AND 1.331 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-E-15090 MIL SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENTCHROMATE


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