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 |
| M2742630156D | military specifications | ring retaining | RFQ |
| MIL-DTL-27426 | 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 | ||||
| 5320-01-311-2514 (5320013112514) | 5365-01-606-7886 (5365016067886) | 5310-01-687-5946 (5310016875946) | 5331-01-345-2325 (5331013452325) | |
| 5331-01-137-6352 (5331011376352) | 5340-01-677-5187 (5340016775187) | 5310-01-215-1121 (5310012151121) | 5330-01-558-9303 (5330015589303) | |
| 5320-01-007-1870 (5320010071870) | 5365-00-542-0989 (5365005420989) | 5305-01-279-0723 (5305012790723) | 5315-01-181-8363 (5315011818363) | |
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