| Item Name | Ring Retaining |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5325 Fastening Devices |
| National Item Identification Number (NIIN) | 01-133-0259 (011330259) |
| NCB Code | USA (01) |
| Manufacturer | Military Specifications, Spirolox Inc, Curtiss Wright Flow Control Service Corporation, Trw Limited |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| M2742640137A | military specifications | ring retaining | RFQ |
| MIL-DTL-27426/4 | military specifications | ring retaining | RFQ |
| RRN-231 | spirolox inc | ring retaining | RFQ |
| MIL-DTL-27426 | military specifications | ring retaining | RFQ |
| PL44616-121H FIND NO. 21 | curtiss wright flow control service corporation | ring retaining | RFQ |
| 401674 | trw limited | ring retaining | RFQ |
| 401502 | trw limited | ring retaining | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | DOUBLE OVAL |
| AARX | INSIDE DIAMETER | 2.067 INCHES MINIMUM AND 2.092 INCHES MAXIMUM |
| AASG | CASEHARDENING INDICATOR | NOT CASEHARDENED |
| ABKV | OUTSIDE DIAMETER | 2.467 INCHES MINIMUM AND 2.492 INCHES MAXIMUM |
| ABMC | MAJOR THICKNESS | 0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM |
| ACXD | RING STYLE | SPECIAL FLAT |
| ALBY | USAGE DESIGN | INTERNAL |
| ALME | MATERIAL HARDNESS RATING | 71.0 ROCKWELL A MINIMUM AND 77.5 ROCKWELL A MAXIMUM |
| AWQD | STRENGTH RATING | 211000.0 POUNDS PER SQUARE INCH MINIMUM TENSILE |
| MATT | MATERIAL | STEEL COMP 1070 OR STEEL COMP 1572 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1085 OR STEEL COMP 1086 OR STEEL COMP 1090STEEL COMP 1090 |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | B TYPE AND 2 CLASS |
| Relevant Components for NSN - 5325-01-133-0259, 5325011330259 | ||||
| 5320-01-318-6843 (5320013186843) | 5340-01-557-4760 (5340015574760) | 5340-00-336-3776 (5340003363776) | 5340-01-560-8528 (5340015608528) | |
| 5330-01-684-2979 (5330016842979) | 5310-01-185-8686 (5310011858686) | 5360-00-394-4491 (5360003944491) | 5320-01-267-6376 (5320012676376) | |
| 5315-00-432-8021 (5315004328021) | 5315-01-271-9296 (5315012719296) | 5340-01-353-1927 (5340013531927) | 5320-01-413-1816 (5320014131816) | |
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