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National Stock Number:
5310-01-414-4210
Federal Supply Class:
5310
National Item Identification Number:
014144210
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:
| 8907807-1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 8907807-1 | 17863 | LITTON SYSTEMS INC GUIDANCE AND CONTROL SYSTEMS DIV |
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Techincal Specification:
| HOLE DIAMETER | 0.155 INCHES MINIMUM AND 0.161 INCHES MAXIMUM | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.032 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY 2024 OVERALL | | OUTSIDE DIAMETER | 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM | | RECESS ANGLE | 98.0 DEGREES MINIMUM AND 102.0 DEGREES MAXIMUM | | RECESS DIAMETER | 0.222 INCHES MINIMUM AND 0.242 INCHES MAXIMUM | | STYLE DESIGNATOR | RECESSED | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CHROMATE OVERALL |
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