| 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 | Rotair Industries Inc, Bell Helicopter Textron Inc, Alco Machine Co Inc, Finmeccanica Spa Helicopters |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 204-030-913-5 | rotair industries inc | washer recessed | 54878 | RFQ |
| 204-030-913-005 | bell helicopter textron inc | washer recessed | 97499 | RFQ |
| 204-030-913-5 | bell helicopter textron inc | washer recessed | 97499 | RFQ |
| 204-030-913-5 | alco machine co inc | washer recessed | 2t918 | RFQ |
| 204-030-913-5 | finmeccanica spa helicopters | washer recessed | a0126 | 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 | ||||
| 5330-01-539-5629 (5330015395629) | 5305-01-517-2434 (5305015172434) | 5305-00-057-3980 (5305000573980) | 5325-01-082-8190 (5325010828190) | |
| 5305-99-254-4806 (5305992544806) | 5315-01-592-1130 (5315015921130) | 5330-00-561-7707 (5330005617707) | 5330-01-313-3034 (5330013133034) | |
| 5307-01-185-8617 (5307011858617) | 5330-01-648-9167 (5330016489167) | 5365-00-210-1895 (5365002101895) | 5315-01-061-2903 (5315010612903) | |
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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