5310-01-391-2879 WASHER,FLAT Index 5330-01-391-2881 RETAINER,PACKING

National Stock Number:
5340-01-391-2880

Federal Supply Class:
5340

National Item Identification Number:
013912880

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:
16737-102227NAVAL ELECTRONIC SYSTEMS SECURITY ENGINEERING CENTER
619-2972-002D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH


Techincal Specification:
APERTURE DIAMETER0.750 INCHES NOMINAL
APERTURE SHAPEROUND
CORNER RADIUS0.120 INCHES NOMINAL
LENGTH0.974 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-601, ALLOY 356 FED SPEC SINGLE MATERIAL RESPONSE
MATERIALALUMINUM ALLOY 356.0
RAISED SURFACE DIAMETER0.750 INCHES NOMINAL
RAISED SURFACE HEIGHT0.100 INCHES NOMINAL
MOUNTING HOLE QUANTITY4
MOUNTING HOLE TYPETHREADED
SCREW THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
SHAPESQUARE
SPECIAL FEATURESMOUNTING CONFIGURATION: 0.720 IN. MIN AND 0.730 IN. MAX C TO C ALONG BOTH LG AND W
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541, CL 1A MIL SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENTCHROMATE
THICKNESS0.528 INCHES MINIMUM AND 0.534 INCHES MAXIMUM
THREAD SIZE4-40 UNC-2B
WIDTH0.974 INCHES NOMINAL


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