AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Ring Retaining |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5325 Fastening Devices |
| National Item Identification Number (NIIN) | 01-270-2899 (012702899) |
| NCB Code | USA (01) |
| Manufacturer | United Technologies Corporation, Spirolox Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | DOUBLE OVAL |
| AARX | INSIDE DIAMETER | 2.487 INCHES MINIMUM AND 2.512 INCHES MAXIMUM |
| AASG | CASEHARDENING INDICATOR | NOT CASEHARDENED |
| ABKV | OUTSIDE DIAMETER | 2.803 INCHES MINIMUM AND 2.828 INCHES MAXIMUM |
| ABMC | MAJOR THICKNESS | 0.046 INCHES MINIMUM AND 0.052 INCHES MAXIMUM |
| ACXD | RING STYLE | SPECIAL FLAT |
| ALBY | USAGE DESIGN | INTERNAL |
| ALME | MATERIAL HARDNESS RATING | 64.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 73.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM |
| AWQD | STRENGTH RATING | 211000.0 POUNDS PER SQUARE INCH MINIMUM TENSILE |
| MATT | MATERIAL | STEEL COMP 1070 OR STEEL COMP 1572 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1085 OR STEEL COMP 1086 OR STEEL COMP 1090STEEL COMP 1090 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66,COMP 1070 FED STD 1ST MATERIAL RESPONSE AND FED STD 66,COMP 1072 FED STD 2ND MATERIAL RESPONSE AND FED STD 66,COMP 1074 FED STD 3RD MATERIAL RESPONSE AND FED STD 66,COMP 1075 FED STD 4TH MATERIAL RESPONSE AND FED STD 66,COMP |
| Relevant Components for NSN - 5325-01-270-2899, 5325012702899 | ||||
| 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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