| 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) | 00-454-1251 (004541251) |
| NCB Code | USA (00) |
| Manufacturer | Fitz Aerospace Llc, Harvard Industries Inc, Lockheed Martin Corporation, Sps Technologies Inc, Alcoa Global Fasteners Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| L55LHEB220-070 | fitz aerospace llc | nut self locking extended washer | RFQ |
| L55LHEB220-070 | harvard industries inc | nut self locking extended washer | RFQ |
| STSCD007-14 | lockheed martin corporation | nut self locking extended washer | RFQ |
| 68457-720 | sps technologies inc | nut self locking extended washer | RFQ |
| STSCD007-14 | sps technologies inc | nut self locking extended washer | RFQ |
| H29649-7 | alcoa global fasteners 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 | 0.770 INCHES MAXIMUM |
| ABAJ | LUBRICATION | SOLUBLE LUBRICANT |
| ABKW | OVERALL HEIGHT | 0.531 INCHES MAXIMUM |
| ACTA | NUT STYLE | DOUBLE HEXAGON |
| ADEM | WASHER THICKNESS | 0.054 INCHES MINIMUM AND 0.074 INCHES MAXIMUM |
| ASDB | WIDTH ACROSS FLATS | 0.550 INCHES MINIMUM AND 0.565 INCHES MAXIMUM |
| AZKQ | TEMP RATING | -65.0 DEG FAHRENHEIT MINIMUM AND 450.0 DEG FAHRENHEIT MAXIMUM |
| BZRR | THREAD SERIES | UNJF |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CQFM | HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM |
| CQJX | NOMINAL THREAD SIZE | 0.438 INCHES |
| MATT | MATERIAL | STEEL COMP 3140 OVERALL OR STEEL COMP 8740 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Relevant Components for NSN - 5310-00-454-1251, 5310004541251 | ||||
| 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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