The Washer,key, cataloged under National Stock Number 5310-00-272-6474, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Fairbanks Morse, Llc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 20 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 20 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-272-6474 |
| Primary Part Number | 10AD3E30CPC19 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Fairbanks Morse, Llc |
| Status | ACTIVE |
| Internal Straight Key Width | 0.187 INCHES NOMINAL0.187 INCHES NOMINAL IN |
| Distance From Centerline to Top of Internal Key | 1.000 INCHES NOMINAL1.000 INCHES NOMINAL IN |
| Style Designator | KEYKEY |
| Material Document and Classification | QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALLQQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 2.750 INCHES NOMINAL2.750 INCHES NOMINAL IN |
| Material Thickness | 0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Internal Key Quantity | 11 |
| Hole Diameter | 1.624 INCHES MINIMUM AND 1.624 INCHES MINIMUM AND 1.626 INCHES MAXIMUM1.626 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 10AD3E30CPC19 PRIMARY | Fairbanks Morse, Llc (USA) |
| MAD6G30APC19 PRIMARY | Fairbanks Morse, Llc (USA) |
| 7AD6D30BPC19 PRIMARY | Fairbanks Morse, Llc (USA) |
| 7AD6D30APC19 PRIMARY | Fairbanks Morse, Llc (USA) |
| MAD3D30APC19 PRIMARY | Fairbanks Morse, Llc (USA) |
| 15AD7D30CPC19 PRIMARY | Fairbanks Morse, Llc (USA) |
| 15AD7D30APC19 PRIMARY | Fairbanks Morse, Llc (USA) |
| ADE3123A PRIMARY | Fairbanks Morse, Llc (USA) |
| ADD3123A PRIMARY | Fairbanks Morse, Llc (USA) |
| MADG30BPC19 PRIMARY | Fairbanks Morse, Llc (USA) |
| 6ADC30APC4 PRIMARY | Fairbanks Morse, Llc (USA) |
| 6ADC30CPC4 PRIMARY | Fairbanks Morse, Llc (USA) |
| ADB3123B PRIMARY | Fairbanks Morse, Llc (USA) |
| 13AD6D30BPC19 PRIMARY | Fairbanks Morse, Llc (USA) |
| MAD3G30APC19 PRIMARY | Fairbanks Morse, Llc (USA) |
| 10AD3E30APC19 PRIMARY | Fairbanks Morse, Llc (USA) |
| MAD7G30APC19 PRIMARY | Fairbanks Morse, Llc (USA) |
| 13AD6D30APC19 PRIMARY | Fairbanks Morse, Llc (USA) |
| 15AD3D30APC19 PRIMARY | Fairbanks Morse, Llc (USA) |
| 13AD3D30APC19 PRIMARY | Fairbanks Morse, Llc (USA) |
| Reference | Meaning |
|---|---|
| 10AD3E30APC19 | 5/9 Secondary reference U.S. Government activity |
| MADG30BPC19 | 5/9 Secondary reference U.S. Government activity |
| 13AD6D30BPC19 | 5/9 Secondary reference U.S. Government activity |
| 7AD6D30BPC19 | 5/9 Secondary reference U.S. Government activity |
| 15AD3D30APC19 | 5/9 Secondary reference U.S. Government activity |
| MAD3D30APC19 | 5/9 Secondary reference U.S. Government activity |
| 10AD3E30CPC19 | 5/9 Secondary reference U.S. Government activity |
| ADD3123A | 5/9 Secondary reference U.S. Government activity |
| 7AD6D30APC19 | 5/9 Secondary reference U.S. Government activity |
| MAD3G30APC19 | 5/9 Secondary reference U.S. Government activity |
| ADB3123B | 3/9 Design control — primary reference U.S. Government activity |
| 6ADC30CPC4 | 5/9 Secondary reference U.S. Government activity |
| 13AD6D30APC19 | 5/9 Secondary reference U.S. Government activity |
| ADE3123A | 5/9 Secondary reference U.S. Government activity |
| 13AD3D30APC19 | 5/9 Secondary reference U.S. Government activity |
| 6ADC30APC4 | 5/9 Secondary reference U.S. Government activity |
| MAD7G30APC19 | 5/9 Secondary reference U.S. Government activity |
| MAD6G30APC19 | 5/9 Secondary reference U.S. Government activity |
| 15AD7D30APC19 | 5/9 Secondary reference U.S. Government activity |
| 15AD7D30CPC19 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-00-272-6474 is a Washer,key, manufactured by Fairbanks Morse, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-272-6474 has 20 manufacturer part numbers on file: 10AD3E30CPC19 (Fairbanks Morse, Llc), MAD6G30APC19 (Fairbanks Morse, Llc), 7AD6D30BPC19 (Fairbanks Morse, Llc), 7AD6D30APC19 (Fairbanks Morse, Llc), MAD3D30APC19 (Fairbanks Morse, Llc) and 15 more.
Key specifications for 10AD3E30CPC19: Internal Straight Key Width: 0.187 INCHES NOMINAL0.187 INCHES NOMINAL IN; Distance From Centerline to Top of Internal Key: 1.000 INCHES NOMINAL1.000 INCHES NOMINAL IN; Style Designator: KEYKEY; Material Document and Classification: QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALLQQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 9 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.