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) | 01-037-5473 (010375473) |
| NCB Code | USA (01) |
| Manufacturer | Harvard Industries Inc, Sps Technologies Inc, The Boeing Company, Fitz Aerospace Llc, Alcoa Global Fasteners Inc, National Aerospace Standards Com |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| LH8574-4 | harvard industries inc | nut self locking extended washer | RFQ |
| 66796A428 | sps technologies inc | nut self locking extended washer | RFQ |
| BACN10GW4A | the boeing company | nut self locking extended washer | RFQ |
| SL7022C4 | sps technologies inc | nut self locking extended washer | RFQ |
| LH8574-4 | fitz aerospace llc | nut self locking extended washer | RFQ |
| H94-4 | alcoa global fasteners inc | nut self locking extended washer | RFQ |
| NAS1805-4P | national aerospace standards com | 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 | 0.434 INCHES MAXIMUM |
| ABKW | OVERALL HEIGHT | 0.250 INCHES MAXIMUM |
| ACTA | NUT STYLE | DOUBLE HEXAGON |
| ADEM | WASHER THICKNESS | 0.020 INCHES NOMINAL |
| ASDB | WIDTH ACROSS FLATS | 0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM |
| AZKQ | TEMP RATING | 900.0 DEG FAHRENHEIT NOMINAL |
| BZRR | THREAD SERIES | UNJF |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES |
| MATT | MATERIAL | IRON ALLOY 660 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| PRMT | PRECIOUS MATERIAL | SILVER |
| SFTT | SURFACE TREATMENT | SILVER OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| ZZZK | SPECIFICATION/STANDARD DATA | 81205-BACN10GW MANUFACTURERS STANDARD |
| Relevant Components for NSN - 5310-01-037-5473, 5310010375473 | ||||
| 5320-01-311-2514 (5320013112514) | 5365-01-606-7886 (5365016067886) | 5310-01-687-5946 (5310016875946) | 5331-01-345-2325 (5331013452325) | |
| 5331-01-137-6352 (5331011376352) | 5340-01-677-5187 (5340016775187) | 5310-01-215-1121 (5310012151121) | 5330-01-558-9303 (5330015589303) | |
| 5320-01-007-1870 (5320010071870) | 5365-00-542-0989 (5365005420989) | 5305-01-279-0723 (5305012790723) | 5315-01-181-8363 (5315011818363) | |
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