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) | 01-619-3657 (016193657) |
| NCB Code | USA (01) |
| Manufacturer | Fastenal Company |
| MRC | Criteria | Characteristic |
|---|---|---|
| MATT | Material | STEEL COMP 1050 WASHER |
| ASDB | Width Across Flats | 0.423 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| STDC | Surface Treatment Document And Classification | FE/ZN 3AT PER ASTM F1941 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| MDCL | Material Document And Classification | AISI 1050 OR EQUIVALENT MEDIUM CARBON STEEL ASSN STD SINGLE MATERIAL RESPONSE WASHER |
| MDCL | Material Document And Classification | LOW CARBON STEEL MFR REF SINGLE MATERIAL RESPONSE NUT |
| MATT | Material | STEEL NUT |
| CQJX | Nominal Thread Size | 0.250 INCHES |
| CMLP | Thread Quantity Per Inch | 20 |
| CXCY | Part Name Assigned By Controlling Agency | 1/4"-20 ZINC FINISH GRADE KEPS LOCK NUT WITH EXTERNAL TOOTH LOCKWASHER |
| ABKW | Overall Height | 0.178 INCHES MINIMUM AND 0.193 INCHES MAXIMUM |
| BZRR | Thread Series | UNC |
| ACTA | Nut Style | HEXAGON |
| MRC | Decoded Requirement | Clear Text Reply |
| AAJF | Thread Direction | RIGHT-HAND |
| SFTT | Surface Treatment | ZINC OVERALL |
| AAVX | Washer Outside Diameter | 0.494 INCHES MINIMUM AND 0.506 INCHES MAXIMUM |
| AAJD | Thread Class | 2B |
| AAUM | Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| AGAV | End Item Identification | 4120-01-585-1564 |
| Relevant Components for NSN - 5310-01-619-3657, 5310016193657 | ||||
| 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) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
Request for Quote