4920-01-224-7473 FIXTURE,AIRCRAFT MAINTENANCE Index 5998-01-224-7477 CIRCUIT CARD ASSEMBLY

National Stock Number:
5340-01-224-7476

Federal Supply Class:
5340

National Item Identification Number:
012247476

Description:
PLATE,MOUNTING

Detail:
A metallic or nonmetallic item which is rigid, flat and generally smooth. Its thickness is small in comparison to its length and width. It is designed for mounting another item and may have drilled or threaded holes or other facilities for mounting to a supporting object or surface. See SUPPORT, as modified. Do not use if a more specific name applies.


Manufacturer Information:
932621219200US ARMY ARDEC RDECOM


Techincal Specification:
APERTURE DIAMETER0.312 INCHES NOMINAL
APERTURE SHAPEROUND
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763, COMP 302 FED SPEC 1ST MATERIAL RESPONSE AND QQ-S-763, COMP 304 FED SPEC 2ND MATERIAL RESPONSE AND ASTM A582, TY 303, COND A ASSN STD 3RD MATERIAL RESPONSE
MATERIALSTEEL COMP 302 AND STEEL COMP 304 AND STEEL COMP 303
MOUNTING HOLE DIAMETER0.140 INCHES NOMINAL ALL HOLES
MOUNTING HOLE TYPETHREADED
MOUNTING HOLE QUANTITY2
RAISED SURFACE DIAMETER0.374 INCHES NOMINAL
RAISED SURFACE HEIGHT0.160 INCHES NOMINAL
SCREW THREAD SERIES DESIGNATORUNC
SHAPESPECIAL
SPECIAL FEATURESMOUNTING CONFIGURATION: SPACED 0.710 IN. C TO C
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENTPASSIVATE
THICKNESS0.070 INCHES NOMINAL
THREAD SIZE0.140IN-40


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