AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Washer Split |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-223-7697 (012237697) |
| NCB Code | USA (01) |
| Manufacturer | Precision Rings Incorporated, Pacific Piston Ring Co Inc, Ge Aviation Systems Ltd |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 3.9955 INCHES MINIMUM AND 4.0050 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 4.3750 INCHES MINIMUM AND 4.3755 INCHES MAXIMUM |
| ABMF | DISTANCE ACROSS SPLIT OPENING | 0.008 INCHES MINIMUM AND 0.013 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.029 INCHES MINIMUM AND 0.030 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 39.0 ROCKWELL C NOMINAL |
| FEAT | SPECIAL FEATURES | COAT ALL OVER 0.0005/0.0003 IN. THICK WITH EVERLUBE 810 |
| MATT | MATERIAL | STEEL COMP 631 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5644 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | SPLIT |
| Relevant Components for NSN - 5310-01-223-7697, 5310012237697 | ||||
| 5331-01-657-5231 (5331016575231) | 5330-01-205-4045 (5330012054045) | 5315-01-471-7425 (5315014717425) | 5340-01-529-8563 (5340015298563) | |
| 5365-01-410-8416 (5365014108416) | 5310-00-021-9774 (5310000219774) | 5330-01-647-7489 (5330016477489) | 5310-01-197-3340 (5310011973340) | |
| 5365-00-958-7449 (5365009587449) | 5340-01-481-5050 (5340014815050) | 5310-00-619-4502 (5310006194502) | 5340-00-293-6497 (5340002936497) | |
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