| Item Name | Washer Flat |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-143-1770 (011431770) |
| NCB Code | USA (01) |
| Manufacturer | Rotair Industries Inc, Tek Precision Co Ltd, Sikorsky Aircraft Corporation |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 65103-11039-102 | rotair industries inc | washer flat | 54878 | RFQ |
| 65103-11039-102 | tek precision co ltd | washer flat | 65780 | RFQ |
| 65103-11039-102 | sikorsky aircraft corporation | washer flat | 78286 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| AAUB | HOLE DIAMETER | 2.842 INCHES MINIMUM AND 2.852 INCHES MAXIMUM |
| ABMW | PERIPHERAL SHAPE STYLE | ROUND |
| ABMX | CENTER HOLE SHAPE STYLE | ROUND W/FLATS |
| ABNM | THICKNESS | 0.115 INCHES MINIMUM AND 0.120 INCHES MAXIMUM |
| ADAV | OVERALL DIAMETER | 3.250 INCHES NOMINAL |
| BWJH | HOLE WIDTH ACROSS FLATS | 2.628 INCHES MINIMUM AND 2.630 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM |
| CSYM | SURFACE FINISH | 90.0 MICROINCHES ALL SURFACES |
| SFTT | SURFACE TREATMENT | OXIDE OVERALL |
| Components Related to NSN - 5310-01-143-1770, 5310011431770 | ||||
| 5305-01-222-3196 (5305012223196) | 5340-01-420-2904 (5340014202904) | 5305-01-506-5038 (5305015065038) | 5307-01-093-0586 (5307010930586) | |
| 5306-01-455-2212 (5306014552212) | 5320-01-425-9724 (5320014259724) | 5330-01-429-5246 (5330014295246) | 5340-01-359-3660 (5340013593660) | |
| 5330-01-524-1191 (5330015241191) | 5320-00-395-6445 (5320003956445) | 5310-01-510-7415 (5310015107415) | 5310-01-104-8190 (5310011048190) | |
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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