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| Item Name | Washer Key |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-187-3921 (011873921) |
| NCB Code | USA (01) |
| Manufacturer | Goodrich Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 4.150 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 5.000 INCHES NOMINAL |
| ABLJ | INTERNAL STRAIGHT KEY WIDTH | 0.366 INCHES MINIMUM AND 0.372 INCHES MAXIMUM |
| ABLQ | DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 1.865 INCHES MINIMUM AND 1.870 INCHES MAXIMUM |
| ABMR | INTERNAL KEY QUANTITY | 2 |
| ABPX | MATERIAL THICKNESS | 0.562 INCHES NOMINAL |
| CSYM | SURFACE FINISH | 125.0 MICROINCHES ALL SURFACES |
| FEAT | SPECIAL FEATURES | 6 KEYWAYS EQUALLY SPACED ON OUTEREDGE 0.440 IN. WIDE,0.350 IN. DEEP |
| MATT | MATERIAL | STEEL COMP 4340 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-8844,CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 1 FED SPEC 1ST TREATMENT RESPONSE OVERALL AND QQ-C-320,CLASS 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | KEY |
| Relevant Components for NSN - 5310-01-187-3921, 5310011873921 | ||||
| 5307-01-512-9158 (5307015129158) | 5330-00-127-5338 (5330001275338) | 5340-00-413-0804 (5340004130804) | 5306-01-058-3323 (5306010583323) | |
| 5305-01-481-5179 (5305014815179) | 5315-00-727-4047 (5315007274047) | 5360-01-142-1829 (5360011421829) | 5310-01-662-2287 (5310016622287) | |
| 5330-00-951-1054 (5330009511054) | 5330-01-708-6046 (5330017086046) | 5306-01-198-4155 (5306011984155) | 5340-01-399-3141 (5340013993141) | |
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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