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) | 01-328-1787 (013281787) |
| NCB Code | USA (01) |
| Manufacturer | Spirolox Inc, Smalley Steel Ring Co, Military Specifications |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| RR-231-S-P | spirolox inc | ring retaining | RFQ |
| WH-231-S02-PA | smalley steel ring co | ring retaining | RFQ |
| MIL-DTL-27426 | military specifications | ring retaining | RFQ |
| M2742630156D | military specifications | ring retaining | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AARX | INSIDE DIAMETER | 2.127 INCHES MINIMUM AND 2.147 INCHES MAXIMUM |
| AWQD | STRENGTH RATING | NOT RATED |
| ABMC | MAJOR THICKNESS | 0.046 INCHES MINIMUM AND 0.052 INCHES MAXIMUM |
| SR-1 | DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | M2742630156D |
| SURF | SURFACE TREATMENT | PASSIVATED, QQ-P-35 |
| ABKV | OUTSIDE DIAMETER | 2.403 INCHES MINIMUM AND 2.423 INCHES MAXIMUM |
| ACXD | RING STYLE | SPECIAL FLAT |
| SR-1 | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-DTL-27426 |
| SR-1 | SPEC/STD CONTROLLING DATA | |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | DOUBLE OVAL |
| AASG | CASEHARDENING INDICATOR | NOT CASEHARDENED |
| MATL | MATERIAL | STEEL, MIL-S-5059, TYPE 302 |
| ALME | MATERIAL HARDNESS RATING | 39.8 ROCKWELL C MINIMUM AND 48.5 ROCKWELL C MAXIMUM |
| ALBY | USAGE DESIGN | INTERNAL |
| SR-1 | MANUFACTURERS CODE | 81349 |
| Relevant Components for NSN - 5325-01-328-1787, 5325013281787 | ||||
| 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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