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National Stock Number:
5310-00-167-0686
Federal Supply Class:
5310
National Item Identification Number:
001670686
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.
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Manufacturer Information:
| AN975-4 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |
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Techincal Specification:
| MATERIAL | STEEL COMP 1008 OR | | STEEL COMP 1009 OR | | STEEL COMP 1015 OR | | STEEL COMP 1018 OR | | STEEL COMP 1020 OR | | STEEL COMP 1025 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-698 FED SPEC 1ST MATERIAL RESPONSE OR | | QQ-S-698 FED SPEC 2ND MATERIAL RESPONSE OR | | QQ-S-698 FED SPEC 3RD MATERIAL RESPONSE OR | | QQ-S-698 FED SPEC 4TH MATERIAL RESPONSE OR | | QQ-S-698 FED SPEC 5TH MATERIAL RESPONSE OR | | ASTM A108 ASSN STD 4TH MATERIAL RESPONSE OR | | ASTM A108 ASSN STD 5TH MATERIAL RESPONSE OR | | ASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL | | SURFACE TREATMENT | CADMIUM AND | | CHROMATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 0.250 INCHES MINIMUM AND | | 0.282 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.546 INCHES MINIMUM AND | | 0.578 INCHES MAXIMUM | | OVERALL HEIGHT | 0.187 INCHES MINIMUM AND | | 0.219 INCHES MAXIMUM | | RECESS DEPTH | 0.109 INCHES MINIMUM AND | | 0.141 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.062 INCHES MINIMUM AND | | 0.094 INCHES MAXIMUM | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 88044 | | DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | AN975-4 |
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