| Item Name | Ring Retaining |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5325 Fastening Devices |
| National Item Identification Number (NIIN) | 01-186-1789 (011861789) |
| NCB Code | USA (01) |
| Manufacturer | Smalley Steel Ring Co, Spirolox Inc, Zf Industrieantriebe Witten Gmbh, Military Specifications |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| WHM-137 | smalley steel ring co | ring retaining | RFQ |
| RRN-137 | spirolox inc | ring retaining | RFQ |
| J-9-1-6 | zf industrieantriebe witten gmbh | ring retaining | RFQ |
| MIL-DTL-27426 | military specifications | ring retaining | RFQ |
| M2742640119A | military specifications | ring retaining | RFQ |
| MIL-DTL-27426/4 | military specifications | ring retaining | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | DOUBLE OVAL |
| AARX | INSIDE DIAMETER | 1.240 INCHES MINIMUM AND 1.245 INCHES MAXIMUM |
| AASG | CASEHARDENING INDICATOR | NOT CASEHARDENED |
| ABKV | OUTSIDE DIAMETER | 1.471 INCHES MINIMUM AND 1.484 INCHES MAXIMUM |
| ABMC | MAJOR THICKNESS | 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM |
| ACXD | RING STYLE | SPECIAL FLAT |
| ALBY | USAGE DESIGN | INTERNAL |
| ALME | MATERIAL HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 51.5 ROCKWELL C MAXIMUM |
| MATT | MATERIAL | STEEL COMP 1075 OR STEEL COMP 1085 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-46049,COMP 1075 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-S-46049,COMP 1085 MIL SPEC 2ND MATERIAL RESPONSE |
| Relevant Components for NSN - 5325-01-186-1789, 5325011861789 | ||||
| 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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