AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Spacer Ring |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5365 Bushings Rings Shims and Spacers |
| National Item Identification Number (NIIN) | 00-990-5640 (009905640) |
| NCB Code | USA (00) |
| Manufacturer | United Technologies Corporation, Mega Industries Inc, Royal Oak Gage Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AARX | INSIDE DIAMETER | 3.724 INCHES NOMINAL |
| ABHE | OUTSIDE DIAMETER | 3.868 INCHES NOMINAL |
| ADUM | OVERALL THICKNESS | 0.310 INCHES NOMINAL |
| CQFM | HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| CSYM | SURFACE FINISH | 90.0 MICROINCHES BORE |
| CSYM | SURFACE FINISH | 90.0 MICROINCHES LARGEST OUTSIDE DIAMETER |
| CSYM | SURFACE FINISH | 90.0 MICROINCHES LEFT SIDE |
| CSYM | SURFACE FINISH | 90.0 MICROINCHES RIGHT SIDE |
| MATT | MATERIAL | STEEL COMP 4340 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6415 ASSN STD SINGLE MATERIAL RESPONSE |
| Relevant Components for NSN - 5365-00-990-5640, 5365009905640 | ||||
| 5305-00-151-0390 (5305001510390) | 5305-00-162-0212 (5305001620212) | 5330-01-021-6193 (5330010216193) | 5306-01-667-2305 (5306016672305) | |
| 5305-00-702-7578 (5305007027578) | 5306-01-467-0619 (5306014670619) | 5340-14-507-0973 (5340145070973) | 5330-01-545-5049 (5330015455049) | |
| 5331-01-433-9967 (5331014339967) | 5330-01-176-0563 (5330011760563) | 5330-20-001-0516 (5330200010516) | 5305-00-550-9932 (5305005509932) | |
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