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) | 01-258-0428 (012580428) |
| NCB Code | USA (01) |
| Manufacturer | Military Specifications, Smalley Steel Ring Co, Spirolox Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| M27426-4111A | military specifications | ring retaining | RFQ |
| WHMR-93-Z | smalley steel ring co | ring retaining | RFQ |
| MIL-DTL-27426/4 | military specifications | ring retaining | RFQ |
| M2742640111A | military specifications | ring retaining | RFQ |
| MIL-R-27426 | military specifications | ring retaining | RFQ |
| RRN-93 | spirolox inc | ring retaining | RFQ |
| WHMR-93-2 | smalley steel ring co | ring retaining | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AWQD | Strength Rating | 211000.0 POUNDS PER SQUARE INCH MINIMUM TENSILE |
| AARX | Inside Diameter | 0.856 INCHES MAXIMUM |
| AARX | Inside Diameter | 0.843 INCHES MINIMUM AND |
| AAGR | Cross-Sectional Shape Style | DOUBLE OVAL |
| ABKV | Outside Diameter | 1.013 INCHES MINIMUM AND |
| MATL | Material | STEEL, FED STD 66, COMP 1070 OR |
| MATL | Material | STEEL, FED STD 66, COMP 1080 OR |
| ALME | Material Hardness Rating | 40.0 ROCKWELL C MINIMUM AND |
| MATL | Material | STEEL, FED STD 66, COMP 1086 OR |
| MATL | Material | STEEL, FED STD 66, COMP 1075 OR |
| MRC | Decoded Requirement | Clear Text Reply |
| SR-1 | Definitive Government Spec/Std Reference Or Manufacturers Code | |
| SR-1 | Definitive Government Spec/Std Reference Or Manufacturers Code | 81349 |
| MATL | Material | STEEL, FED STD 66, COMP 1085 OR |
| MATL | Material | STEEL, FED STD 66, COMP 1074 OR |
| SR-1 | Definitive Government Spec/Std Reference Or Manufacturers Code | MIL-DTL-27426/4 |
| MATL | Material | STEEL, FED STD 66, COMP 1090 |
| MATL | Material | STEEL, FED STD 66, COMP 1078 OR |
| MATL | Material | STEEL, FED STD 66, COMP 1084 OR |
| MATL | Material | STEEL, FED STD 66, COMP 1072 OR |
| ALME | Material Hardness Rating | 51.5 ROCKWELL C MAXIMUM |
| SR-1 | Definitive Government Spec/Std Reference Or Manufacturers Code | M2742640111A |
| ABMC | Major Thickness | 0.040 INCHES MINIMUM AND |
| ACXD | Ring Style | SPECIAL FLAT |
| ABKV | Outside Diameter | 1.026 INCHES MAXIMUM |
| ABMC | Major Thickness | 0.044 INCHES MAXIMUM |
| AASG | Casehardening Indicator | NOT CASEHARDENED |
| ALBY | Usage Design | INTERNAL |
| Relevant Components for NSN - 5325-01-258-0428, 5325012580428 | ||||
| 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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