| Item Name | Washer Recessed |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-256-5234 (012565234) |
| NCB Code | USA (01) |
| Manufacturer | Reid Products Inc, Rolls Royce Corporation, Extex Ltd, Aviall Services Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.196 INCHES MINIMUM AND 0.206 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.580 INCHES NOMINAL |
| ABPX | MATERIAL THICKNESS | 0.082 INCHES MINIMUM AND 0.092 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| CQJW | TOP RECESS DIAMETER | 0.230 INCHES NOMINAL |
| CRKG | BOTTOM RECESS ANGLE | 90.0 DEGREES NOMINAL |
| CRSD | TOP RECESS ANGLE | 90.0 DEGREES NOMINAL |
| CSML | BOTTOM RECESS DIAMETER | 0.230 INCHES NOMINAL |
| MATT | MATERIAL | STEEL COMP 8735 OVERALL OR STEEL COMP 4130 OVERALL OR STEEL COMP 8740 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6357 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR AMS 6350 ASSN STD 2ND MATERIAL RESPONSE OVERALL OR AMS 6358 ASSN STD 3RD MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | OXIDE FILM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2485 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | RECESSED BOTH SIDES |
| Relevant Components for NSN - 5310-01-256-5234, 5310012565234 | ||||
| 5305-01-322-2550 (5305013222550) | 5330-01-188-5652 (5330011885652) | 5365-01-342-4981 (5365013424981) | 5340-01-345-9187 (5340013459187) | |
| 5365-01-413-4862 (5365014134862) | 5331-01-305-0237 (5331013050237) | 5305-01-441-4148 (5305014414148) | 5305-00-431-8851 (5305004318851) | |
| 5340-01-464-8492 (5340014648492) | 5315-01-037-1145 (5315010371145) | 5305-01-506-5142 (5305015065142) | 5365-01-426-4082 (5365014264082) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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