AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Washer Key |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-444-6450 (004446450) |
| NCB Code | USA (00) |
| Manufacturer | Safran Power Usa Llc, Solar Turbines Incorporated, Lucas Aerospace Ltd, Hamilton Sundstrand Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.328 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 0.500 INCHES NOMINAL |
| ABKY | EXTERNAL PREBENT KEY LENGTH | 0.094 INCHES NOMINAL |
| ABLD | EXTERNAL TAPERED KEY WIDTH | 0.750 INCHES NOMINAL |
| ABLF | EXTERNAL PREBENT KEY WIDTH | 0.125 INCHES NOMINAL |
| ABLS | DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 0.316 INCHES MINIMUM AND 0.326 INCHES MAXIMUM |
| ABLX | OVERALL DISTANCE INCLUDING KEYS | 0.844 INCHES NOMINAL |
| ABMM | SPLIT KEY LENGTH | 0.125 INCHES NOMINAL |
| ABMQ | EXTERNAL KEY QUANTITY | 3 |
| ABPX | MATERIAL THICKNESS | 0.032 INCHES NOMINAL |
| CSFW | ANGLE BETWEEN EXTERNAL KEYS | 90.0 DEGREES NOMINAL |
| CSKN | EXTERNAL PREBENT KEY ANGLE | 45.0 DEGREES NOMINAL |
| MATT | MATERIAL | STEEL OR STEEL COMP 1010 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-698 FED SPEC 1ST MATERIAL RESPONSE OR AMS 5040 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | KEY |
| Relevant Components for NSN - 5310-00-444-6450, 5310004446450 | ||||
| 5365-00-981-3580 (5365009813580) | 5306-01-663-0372 (5306016630372) | 5330-00-259-1415 (5330002591415) | 5340-00-140-8006 (5340001408006) | |
| 5310-01-055-6080 (5310010556080) | 5340-01-571-9066 (5340015719066) | 5360-01-528-5575 (5360015285575) | 5340-01-254-4525 (5340012544525) | |
| 5310-01-456-0920 (5310014560920) | 5331-01-311-6975 (5331013116975) | 5330-00-147-6676 (5330001476676) | 5365-01-201-0770 (5365012010770) | |
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.
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