AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| 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) | 00-052-6754 (000526754) |
| NCB Code | USA (00) |
| Manufacturer | Aviation Spares And Repairs Ltd, National Aerospace Standards Com, Satair Usa Inc, Nimikkeistokeskus Ncb Finland, Alcoa Global Fasteners Inc, Martin Baker Aircraft Co Ltd, Harris Corporation |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| NAS1291C7M | aviation spares and repairs ltd | nut self locking extended washer | RFQ |
| NAS1291C7M | national aerospace standards com | nut self locking extended washer | RFQ |
| H42-7 | satair usa inc | nut self locking extended washer | RFQ |
| 10116517 | nimikkeistokeskus ncb finland | nut self locking extended washer | RFQ |
| H42-7 | alcoa global fasteners inc | nut self locking extended washer | RFQ |
| P35017 | martin baker aircraft co ltd | nut self locking extended washer | RFQ |
| G440028-1 | harris corporation | 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 | 0.708 INCHES MAXIMUM |
| ABAJ | LUBRICATION | DRY FILM LUBRICANT |
| ABKW | OVERALL HEIGHT | 0.313 INCHES MINIMUM AND 0.328 INCHES MAXIMUM |
| ACTA | NUT STYLE | HEXAGON |
| ADEM | WASHER THICKNESS | 0.035 INCHES MINIMUM |
| ASDB | WIDTH ACROSS FLATS | 0.494 INCHES MINIMUM AND 0.504 INCHES MAXIMUM |
| AZKQ | TEMP RATING | 450.0 DEG FAHRENHEIT NOMINAL |
| BZRR | THREAD SERIES | UNJF |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CQJX | NOMINAL THREAD SIZE | 0.438 INCHES |
| CRSQ | COUNTERSINK ANGLE | 120.0 DEGREES NOMINAL NUT |
| MATT | MATERIAL | STEEL OVERALL OR IRON ALLOY 660 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MS5525 MIL STD 1ST MATERIAL RESPONSE OVERALL OR AMS 5732 ASSN STD 2ND MATERIAL RESPONSE OVERALL OR AMS 5735 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| ZZZK | SPECIFICATION/STANDARD DATA | 80205-NAS1291 GOVERNMENT STANDARD |
| Relevant Components for NSN - 5310-00-052-6754, 5310000526754 | ||||
| 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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