| Item Name | Nut Self Locking Extended Washer |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-056-9524 (000569524) |
| NCB Code | USA (00) |
| Manufacturer | Fitz Aerospace Llc, National Aerospace Standards Com, Harvard Industries Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| LH4079-048 | fitz aerospace llc | nut self locking extended washer | RFQ |
| NAS1287C4 | national aerospace standards com | nut self locking extended washer | RFQ |
| LH4079-048 | harvard industries inc | nut self locking extended washer | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| AAVX | WASHER OUTSIDE DIAMETER | 0.416 INCHES MAXIMUM |
| AAWY | COUNTERBORE DIAMETER | 0.254 INCHES MINIMUM NUT |
| ABKW | OVERALL HEIGHT | 0.280 INCHES MAXIMUM |
| ACTA | NUT STYLE | HEXAGON |
| ADFK | NUT COUNTERBORE DEPTH | 0.090 INCHES MINIMUM NUT |
| ASDB | WIDTH ACROSS FLATS | 0.304 INCHES MINIMUM AND 0.316 INCHES MAXIMUM |
| AZKQ | TEMP RATING | 1400.0 DEG FAHRENHEIT NOMINAL |
| BZRR | THREAD SERIES | UNJF |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQFM | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| MATT | MATERIAL | NICKEL ALLOY M252 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5756 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | NICKEL AND ZINC LOCKING INSERT |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 6304 ASSN STD SINGLE TREATMENT RESPONSE LOCKING INSERT |
| Relevant Components for NSN - 5310-00-056-9524, 5310000569524 | ||||
| 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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