| Item Name | Wrench Open End |
| Federal Supply Group (FSG) | Hand Tools |
| Federal Supply Class (FSC) | 5120 Hand Tools Nonedged Nonpowered |
| National Item Identification Number (NIIN) | 00-277-1243 (002771243) |
| NCB Code | USA (00) |
| Manufacturer | Trw Limited |
| MRC | Criteria | Characteristic |
|---|---|---|
| SR-1 | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | A-A-1357 |
| FEAT | SPECIAL FEATURES | FORGED STEEL |
| CRCS | HEAD ANGLE | 15.0 DEGREES NOMINAL |
| MATT | MATERIAL | STEEL OVERALL |
| CRWY | WRENCHING SURFACE SHAPE | OVAL SINGLE END INTERNAL |
| SR-1 | SPEC/STD CONTROLLING DATA | |
| CQFM | HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM |
| ABHP | OVERALL LENGTH | 16.500 INCHES MINIMUM |
| AJCG | TORQUE CAPACITY | 25920.0 INCH-POUNDS MINIMUM |
| SR-1 | MANUFACTURERS CODE | 58536 |
| AHML | HEAD THICKNESS | 0.938 INCHES MAXIMUM |
| AJBR | WRENCHING SURFACE SIZE | 1.875 INCHES NOMINAL SINGLE END |
| SFTT | SURFACE TREATMENT | ENAMEL AND CHROMIUM OVERALL |
| Components Related to NSN - 5120-00-277-1243, 5120002771243 | ||||
| 5120-00-640-6725 (5120006406725) | 5120-00-537-3374 (5120005373374) | 5120-01-319-7131 (5120013197131) | 5120-00-475-9946 (5120004759946) | |
| 5120-01-368-3452 (5120013683452) | 5120-01-398-7923 (5120013987923) | 5120-01-161-4539 (5120011614539) | 5120-01-524-7995 (5120015247995) | |
| 5120-00-928-4419 (5120009284419) | 5120-01-383-4655 (5120013834655) | 5120-01-534-1729 (5120015341729) | 5120-00-958-4297 (5120009584297) | |
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