| Item Name | Washer Recessed |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-437-8948 (004378948) |
| NCB Code | USA (00) |
| Manufacturer | Alco Machine Co Inc, Bell Helicopter Textron Inc, Finmeccanica Spa Helicopters, Rotair Industries Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 204-030-913-5 | alco machine co inc | washer recessed | 2t918 | RFQ |
| 204-030-913-005 | bell helicopter textron inc | washer recessed | 97499 | RFQ |
| 204-030-913-5 | finmeccanica spa helicopters | washer recessed | a0126 | RFQ |
| 204-030-913-5 | rotair industries inc | washer recessed | 54878 | RFQ |
| 204-030-913-5 | bell helicopter textron inc | washer recessed | 97499 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.625 INCHES MINIMUM AND 0.635 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 2.000 INCHES NOMINAL |
| ABMD | RECESS DIAMETER | 0.725 INCHES MINIMUM AND 0.735 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.390 INCHES NOMINAL |
| CSTM | RECESS ANGLE | 90.0 DEGREES NOMINAL |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES ALL SURFACES |
| FEAT | SPECIAL FEATURES | OD CHAMFERED 0.320 IN. BY 45 DEG AND ID OPPOSITE RECESS COUNTERBORED 1.000 IN. DIA BY 0.075 IN. DEEP |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,TEMPER T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | RECESSED |
| Relevant Components for NSN - 5310-00-437-8948, 5310004378948 | ||||
| 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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