| 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) | 00-277-1250 (002771250) |
| 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 |
| MATT | MATERIAL | STEEL OVERALL |
| AHML | HEAD THICKNESS | 0.750 INCHES MAXIMUM |
| SFTT | SURFACE TREATMENT | ENAMEL AND CHROMIUM OVERALL |
| SR-1 | SPEC/STD CONTROLLING DATA | |
| ABHP | OVERALL LENGTH | 12.000 INCHES MINIMUM |
| AJCG | TORQUE CAPACITY | 8500.0 INCH-POUNDS MINIMUM |
| CRCS | HEAD ANGLE | 15.0 DEGREES NOMINAL |
| CRWY | WRENCHING SURFACE SHAPE | OVAL SINGLE END INTERNAL |
| SR-1 | MANUFACTURERS CODE | 58536 |
| CQFM | HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM |
| AJBR | WRENCHING SURFACE SIZE | 1.250 INCHES NOMINAL SINGLE END |
| Relevant Components for NSN - 5120-00-277-1250, 5120002771250 | ||||
| 5120-01-262-2009 (5120012622009) | 5120-00-277-6470 (5120002776470) | 5120-01-243-9264 (5120012439264) | 5120-01-514-4365 (5120015144365) | |
| 5130-00-487-1414 (5130004871414) | 5120-01-553-3662 (5120015533662) | 5120-01-459-9595 (5120014599595) | 5133-00-517-8216 (5133005178216) | |
| 5130-00-410-5324 (5130004105324) | 5120-00-455-9890 (5120004559890) | 5120-01-430-5769 (5120014305769) | 5120-01-103-8549 (5120011038549) | |
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