| 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, Sikorsky Aircraft Corporation, Tek Precision Co Ltd |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 65103-11039-102 | rotair industries inc | washer flat | 54878 | RFQ |
| 65103-11039-102 | sikorsky aircraft corporation | washer flat | 78286 | RFQ |
| 65103-11039-102 | tek precision co ltd | washer flat | 65780 | 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 | ||||
| 5325-01-017-8809 (5325010178809) | 5330-01-278-3019 (5330012783019) | 5365-01-304-3832 (5365013043832) | 5305-15-060-1487 (5305150601487) | |
| 5305-01-361-3193 (5305013613193) | 5330-01-259-4088 (5330012594088) | 5340-01-672-8342 (5340016728342) | 5342-00-452-9798 (5342004529798) | |
| 5310-01-175-0629 (5310011750629) | 5330-01-120-4149 (5330011204149) | 5331-01-441-4577 (5331014414577) | 5330-01-425-8795 (5330014258795) | |
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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