| Item Name | Washer Key |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-591-6739 (005916739) |
| NCB Code | USA (00) |
| Manufacturer | Sikorsky Aircraft Corporation |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| S1610-23093-1 | sikorsky aircraft corporation | washer key | 78286 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 3.515 INCHES MINIMUM AND 3.535 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 4.125 INCHES MINIMUM AND 4.145 INCHES MAXIMUM |
| ABLB | INTERNAL PREBENT KEY LENGTH | 0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| ABLF | EXTERNAL PREBENT KEY WIDTH | 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM |
| ABLK | INTERNAL PREBENT KEY WIDTH | 0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM |
| ABLX | OVERALL DISTANCE INCLUDING KEYS | 4.812 INCHES MINIMUM AND 4.842 INCHES MAXIMUM |
| ABMQ | EXTERNAL KEY QUANTITY | 19 |
| ABMR | INTERNAL KEY QUANTITY | 1 |
| ABPX | MATERIAL THICKNESS | 0.063 INCHES NOMINAL |
| MATT | MATERIAL | NICKEL ALLOY AND STEEL COMP 302 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281,CLASS A FED SPEC 1ST MATERIAL RESPONSE AND MIL-S-5059 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | EPOXY OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | SS-8656,FSCM 78286 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Relevant Components for NSN - 5310-00-591-6739, 5310005916739 | ||||
| 5320-01-093-5687 (5320010935687) | 5340-00-286-8500 (5340002868500) | 5310-00-797-4430 (5310007974430) | 5331-01-548-6940 (5331015486940) | |
| 5340-01-389-2408 (5340013892408) | 5340-01-499-3481 (5340014993481) | 5310-01-418-9739 (5310014189739) | 5320-01-419-8697 (5320014198697) | |
| 5340-01-681-6722 (5340016816722) | 5340-01-620-4639 (5340016204639) | 5340-01-481-2087 (5340014812087) | 5331-01-097-0869 (5331010970869) | |
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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