5310-01-003-7379 WASHER,FLAT Index 3950-01-003-7381 HOIST,CHAIN

National Stock Number:
5310-01-003-7380

Federal Supply Class:
5310

National Item Identification Number:
010037380

Description:
WASHER,RECESSED

Detail:
A WASHER OF ANY PERIPHERAL SHAPE HAVING A CENTRALLY LOCATED HOLE. BOTH BEARING SURFACES ARE PARALLEL AND FLAT, BUT ONE OR BOTH OF THE BEARING SURFACES MUST BE BROKEN BY A COUNTERBORE, COUNTERSINK, OR SIMILARLY SHAPED RECESS. THE THICKNESS MUST NOT EXCEED 25 PER CENT OF THE OUTSIDE DIAMETER OR THE LARGEST OUTSIDE DIMENSION. THE MAXIMUM LIMIT OF THE TOLERANCE OR RANGE APPLIED TO THE THICKNESS AND/OR LARGEST OUTSIDE DIMENSION MUST BE USED TO DETERMINE COMPLIANCE. EXCLUDES WASHER, CONCAVE, RETAINER, PACKING, AND THRUST TYPE WASHERS. SEE ALSO SPACER, SLEEVE; AND SPACER, STEPPED.


Manufacturer Information:
160D611620-1126512NORTHROP GRUMMAN SYSTEMS CORPORATION
160D611620-1179RG9NORTHROP GRUMMAN SYSTEMS CORPORATION
162D611620-200176301THE BOEING COMPANY
162D611620-200198747OGDEN AIR LOGISTICS CENTER


Techincal Specification:
HOLE DIAMETER1.000 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6415 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4340 OVERALL
PROPRIETARY CHARACTERISTICSPACS
OUTSIDE DIAMETER1.680 INCHES NOMINAL
OVERALL HEIGHT0.500 INCHES NOMINAL
RADIUS0.180 INCHES NOMINAL
RECESS DIAMETER1.200 INCHES NOMINAL
STYLE DESIGNATORRECESSED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CL 1 FED SPEC 1ST TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL


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