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| 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, Spirolox Inc, Smalley Steel Ring Co |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| M2742640111A | military specifications | ring retaining | RFQ |
| M27426-4111A | military specifications | ring retaining | RFQ |
| RRN-93 | spirolox inc | ring retaining | RFQ |
| WHMR-93-2 | smalley steel ring co | ring retaining | RFQ |
| WHMR-93-Z | smalley steel ring co | ring retaining | RFQ |
| MIL-R-27426 | military specifications | ring retaining | RFQ |
| MIL-DTL-27426/4 | military specifications | 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 | ||||
| 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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