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| 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, Sps Technologies Inc, Harvard Industries Inc, Lockheed Martin Corporation, Alcoa Global Fasteners Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| L55LHEB220-070 | fitz aerospace llc | nut self locking extended washer | RFQ |
| 68457-720 | sps technologies inc | 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 |
| 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 | ||||
| 5305-00-151-0390 (5305001510390) | 5305-00-162-0212 (5305001620212) | 5330-01-021-6193 (5330010216193) | 5306-01-667-2305 (5306016672305) | |
| 5305-00-702-7578 (5305007027578) | 5306-01-467-0619 (5306014670619) | 5340-14-507-0973 (5340145070973) | 5330-01-545-5049 (5330015455049) | |
| 5331-01-433-9967 (5331014339967) | 5330-01-176-0563 (5330011760563) | 5330-20-001-0516 (5330200010516) | 5305-00-550-9932 (5305005509932) | |
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