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) | 00-252-6853 (002526853) |
| NCB Code | USA (00) |
| Manufacturer | Zf Industrieantriebe Witten Gmbh, Truarc Co Llc, Bushmaster Firearms International, Rotor Clip Company Inc, Truarc Company Llc, Military Standards Corp |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| R274NAA0137NN05 6NNPF1 | zf industrieantriebe witten gmbh | ring retaining | RFQ |
| 4100-137-ST-CD | truarc co llc | ring retaining | RFQ |
| MS16626-1137 | bushmaster firearms international | ring retaining | RFQ |
| 5108-137MD | rotor clip company inc | ring retaining | RFQ |
| 5108-137MD | truarc company llc | ring retaining | RFQ |
| 50-137-S-MD | truarc company llc | ring retaining | RFQ |
| 50-137-S-MD | rotor clip company inc | ring retaining | RFQ |
| 4100-137-ST-CD | rotor clip company inc | ring retaining | RFQ |
| MS16626-1137 | military standards corp | ring retaining | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| AARX | INSIDE DIAMETER | 1.257 INCHES MINIMUM AND 1.282 INCHES MAXIMUM |
| AASG | CASEHARDENING INDICATOR | NOT CASEHARDENED |
| ABMC | MAJOR THICKNESS | 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM |
| ACXD | RING STYLE | EXTERNAL INVERTED LUGS |
| ALBY | USAGE DESIGN | EXTERNAL |
| ALME | MATERIAL HARDNESS RATING | 47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM |
| MATT | MATERIAL | STEEL COMP 1066 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1072 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1084 OR STEEL COMP 1086 OR STEEL COMP 1090 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66 AISI 1066 OR 1069 OR 1070 OR 1072 OR 1074 OR 1075 OR 1078 OR 1080 OR 1084 OR 1086 OR 1090 FED STD SINGLE MATERIAL RESPONSE |
| SFTT | SURFACE TREATMENT | CADMIUM AND CHROMATE |
| Relevant Components for NSN - 5325-00-252-6853, 5325002526853 | ||||
| 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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