5340-01-206-2224 COVER,ACCESS Index 5340-01-206-2226 COVER,ACCESS

National Stock Number:
5340-01-206-2225

Federal Supply Class:
5340

National Item Identification Number:
012062225

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:
1213E1511 FIND 703538LOCKHEED MARTIN CORPORATION
1213E1511 FIND 754497MARTIN MARIETTA TECHNOLOGIES INC SUB OF MARTIN MARIETTA CORP AERO AND NAVAL SYSTEMS
1214C148303538LOCKHEED MARTIN CORPORATION
1214C148354497MARTIN MARIETTA TECHNOLOGIES INC SUB OF MARTIN MARIETTA CORP AERO AND NAVAL SYSTEMS


Techincal Specification:
BODY THICKNESS0.250 INCHES NOMINAL
BOLT CIRCLE HOLE QUANTITY3
BOLT CIRCLE DIAMETER2.515 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLEFLAT W/OPEN CENTER
HOLE DIAMETER0.211 INCHES MINIMUM AND 0.218 INCHES MAXIMUM
OUTSIDE DIAMETER3.625 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/11,T651 FED SPEC SINGLE MATERIAL RESPONSE
MATERIALALUMINUM ALLOY 6061
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
SPECIAL FEATURES0.112-40 UNC-2B 3 THD HOLES,0.053 IN. MIN 0.058 IN. MAX 3 PLAIN HOLES
PERIPHERAL SHAPE STYLEROUND, MULTI HOLES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541,CL 1A MIL SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENTCHROMATE


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