5340-01-396-2876 BRACKET,MOUNTING Index 5310-01-396-2878 WASHER,CONCAVE

National Stock Number:
5310-01-396-2877

Federal Supply Class:
5310

National Item Identification Number:
013962877

Description:
WASHER,CONCAVE

Detail:
A WASHER WHICH IS ROUND WITH A CENTRALLY LOCATED HOLE. ONE BEARING SURFACE IS SMOOTH, FLAT, AND UNBROKEN, THE OTHER BEARING SURFACE IS SMOOTH, UNBROKEN, AND IS RECESSED TO FORM A CURVED OR SPHERICAL CONTOUR. SEE ALSO WASHER (1), CONVEX. EXCLUDES WASHER (1), RECESSED AND BEARING, WASHER, THRUST.


Manufacturer Information:
03A350CC12-CB15653HOWMET GLOBAL FASTENING SYSTEMS INC
03A350CC12-CB1W025NORTHROP GRUMMAN SYSTEMS CORP
03A350CC12-CB33011BUDA PRECISION INC.
03A350CC12-CB56878SPS TECHNOLOGIES, LLC
03A350CC12-CB60119MONADNOCK COMPANY, THE
942010-1260119MONADNOCK COMPANY, THE
K29913-12NF15653HOWMET GLOBAL FASTENING SYSTEMS INC
BACW10CW12CCU81205THE BOEING COMPANY


Techincal Specification:
MATERIALSTEEL COMP 630 OR
STEEL COMP 631 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OR
AMS5528 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING40.0 ROCKWELL C MINIMUM AND
43.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORCONCAVE
HOLE DIAMETER1.005 INCHES MINIMUM AND
1.010 INCHES MAXIMUM
RADIUS0.860 INCHES MINIMUM AND
0.890 INCHES MAXIMUM
OUTSIDE DIAMETER1.395 INCHES MINIMUM AND
1.405 INCHES MAXIMUM
MATERIAL THICKNESS0.275 INCHES MINIMUM AND
0.300 INCHES MAXIMUM


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