5325-01-357-1794 GROMMET,NONMETALLIC Index 8115-01-357-1796 BOX,SMALL PARTS

National Stock Number:
5340-01-357-1795

Federal Supply Class:
5340

National Item Identification Number:
013571795

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:
526786853711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
BODY THICKNESS0.480 INCHES NOMINAL
CORNER RADIUS0.310 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLECIRCULAR RECESS
DISTANCE BETWEEN HOLES ALONG WIDTH3.625 INCHES NOMINAL
DISTANCE BETWEEN HOLES ALONG LENGTH3.625 INCHES NOMINAL
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH0.312 INCHES NOMINAL
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH0.312 INCHES NOMINAL
FEATURES PROVIDEDSPECIAL MARKING
FIRST RECESS INSIDE HEIGHT6.340 INCHES NOMINAL
FLANGE THICKNESS0.310 INCHES NOMINAL
HOLE DIAMETER0.281 INCHES NOMINAL
INSIDE CORNER RADIUS0.250 INCHES NOMINAL
INSIDE DIAMETER3.528 INCHES MINIMUM AND 3.538 INCHES MAXIMUM
LENGTH4.250 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-A-21180,A357.0 CL 2 GR B MIL SPEC SINGLE MATERIAL RESPONSE
MATERIALALUMINUM ALLOY
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
PERIPHERAL SHAPE STYLERECTANGLE, FOUR HOLES
SECURING DEVICE TYPESPECIAL
WIDTH4.250 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-22750 MIL SPEC SINGLE TREATMENT RESPONSE AND MIL-C-22751 MIL SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENTPLASTIC POLYAMIDE AND PLASTIC EPOXY


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