5340-00-157-4042 COVER,ACCESS Index 1220-00-157-4044 RETAINER

National Stock Number:
5340-00-157-4043

Federal Supply Class:
5340

National Item Identification Number:
001574043

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:
23293656232LOCKHEED MARTIN CORPORATION
417685PC210001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
BODY THICKNESS0.250 INCHES NOMINAL
BOLT CIRCLE DIAMETER3.688 INCHES NOMINAL
BOLT CIRCLE HOLE QUANTITY6
CROSS-SECTIONAL SHAPE STYLEFLAT, ROUND RIB REINFORCED
FEATURES PROVIDEDSEALING CAPABILITY
FLANGE THICKNESS0.188 INCHES NOMINAL
HOLE DIAMETER0.156 INCHES NOMINAL
OUTSIDE DIAMETER4.188 INCHES NOMINAL
MATERIALALUMINUM ALLOY
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
PERIPHERAL SHAPE STYLEROUND, MULTI HOLES
SURFACE TREATMENTPAINT


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