| Item Name | Nut Self Locking Castellated Hex |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-015-5728 (010155728) |
| NCB Code | USA (01) |
| Manufacturer | United Technologies Corporation, Harvard Industries Inc, Sps Technologies Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 184909 | united technologies corporation | nut self locking castellated hex | 77445 | RFQ |
| 184909 | harvard industries inc | nut self locking castellated hex | 72962 | RFQ |
| 55136-428 | sps technologies inc | nut self locking castellated hex | 56878 | RFQ |
| 753949 | united technologies corporation | nut self locking castellated hex | 77445 | RFQ |
| SD-300-55135 | sps technologies inc | nut self locking castellated hex | 80539 | RFQ |
| Z2336-048 | sps technologies inc | nut self locking castellated hex | 0ptk6 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAUM | LOCKING FEATURE | FREE-RUNNING ALL METAL DESIGN |
| ACTA | NUT STYLE | CASTELLATED,HEXAGON |
| ADEA | NUT HEIGHT | 0.320 INCHES NOMINAL |
| ASDB | WIDTH ACROSS FLATS | 0.435 INCHES NOMINAL |
| BZRR | THREAD SERIES | UNJS |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQFM | HARDNESS RATING | 26.0 ROCKWELL C MAXIMUM |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES |
| CRTM | BEARING SURFACE TYPE | CHAMFERED |
| MATT | MATERIAL | STEEL COMP 11L37 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5020 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Components Related to NSN - 5310-01-015-5728, 5310010155728 | ||||
| 5310-01-197-4020 (5310011974020) | 5315-01-603-3457 (5315016033457) | 5307-00-208-2583 (5307002082583) | 5306-00-723-0855 (5306007230855) | |
| 5306-01-051-8024 (5306010518024) | 5365-00-997-7495 (5365009977495) | 5360-00-769-7461 (5360007697461) | 5360-01-313-5636 (5360013135636) | |
| 5330-01-455-6923 (5330014556923) | 5340-00-061-1146 (5340000611146) | 5320-00-333-6513 (5320003336513) | 5310-01-109-8086 (5310011098086) | |
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