| 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) | 01-161-0088 (011610088) |
| NCB Code | USA (01) |
| Manufacturer | Eca Etablissement Central Des, Alcoa Global Fasteners Inc, Harvard Industries Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 5310011610088 | eca etablissement central des | nut self locking castellated hex | a00am | RFQ |
| H5-7-420 | alcoa global fasteners inc | nut self locking castellated hex | 15653 | RFQ |
| SM1813-040 | harvard industries inc | nut self locking castellated hex | 72962 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| ACTA | NUT STYLE | CASTELLATED,HEXAGON |
| ADEA | NUT HEIGHT | 0.328 INCHES NOMINAL |
| AGAV | END ITEM IDENTIFICATION | W/S: TANK,COMBAT,FT,120MM GUN (M1A1); ABRAMS M1 ENGINE |
| ASDB | WIDTH ACROSS FLATS | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM |
| AZKQ | TEMP RATING | 450.0 DEG FAHRENHEIT NOMINAL |
| BZRR | THREAD SERIES | UNJC |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES |
| CRTM | BEARING SURFACE TYPE | FLAT |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| Relevant Components for NSN - 5310-01-161-0088, 5310011610088 | ||||
| 5320-01-093-5687 (5320010935687) | 5340-00-286-8500 (5340002868500) | 5310-00-797-4430 (5310007974430) | 5331-01-548-6940 (5331015486940) | |
| 5340-01-389-2408 (5340013892408) | 5340-01-499-3481 (5340014993481) | 5310-01-418-9739 (5310014189739) | 5320-01-419-8697 (5320014198697) | |
| 5340-01-681-6722 (5340016816722) | 5340-01-620-4639 (5340016204639) | 5340-01-481-2087 (5340014812087) | 5331-01-097-0869 (5331010970869) | |
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