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National Stock Number:
5310-01-391-9112
Federal Supply Class:
5310
National Item Identification Number:
013919112
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:
| 03A377F8 | 76823 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 888333 1/4 | 83259 | PARKER-HANNIFIN CORPORATION | | 888333-8 | 83259 | PARKER-HANNIFIN CORPORATION |
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Techincal Specification:
| HOLE DIAMETER | 0.238 INCHES MINIMUM AND 0.242 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-25988 MIL SPEC SINGLE MATERIAL RESPONSE SEALING ELEMENT | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE BODY | | MATERIAL THICKNESS | 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM | | MATERIAL | RUBBER FLUOROSILICONE CLASS FQ SEALING ELEMENT | | MATERIAL | STEEL COMP 4130 BODY | | OUTSIDE DIAMETER | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-26074, CL2, GRB MIL SPEC SINGLE TREATMENT RESPONSE BODY | | SURFACE TREATMENT | NICKEL BODY |
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