The Washer,key, cataloged under National Stock Number 5310-00-912-4598, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Triumph Engine Control Systems Llc. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-912-4598 |
| Primary Part Number | 28980-7 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Triumph Engine Control Systems Llc |
| Status | ACTIVE |
| Internal Straight Key Width | 0.081 INCHES MINIMUM AND 0.091 INCHES MAXIMUM IN |
| Distance From Centerline to Top of Internal Key | 0.155 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 0.910 INCHES NOMINAL IN |
| Heat Treatment | AS FABRICATED |
| Style Designator | KEY |
| Material Document and Classification | AMS 5516 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.560 INCHES NOMINAL IN |
| Material Thickness | 0.039 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN |
| External Straight Key Width | 0.164 INCHES NOMINAL IN |
| External Key Quantity | 7 |
| Surface Treatment | OXIDE FILM OVERALL |
| Material | STEEL COMP 302 OVERALL |
| Internal Key Quantity | 1 |
| Hole Diameter | 0.439 INCHES MINIMUM AND 0.449 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 |
|---|---|
| 28980-7 PRIMARY | Triumph Engine Control Systems Llc (USA) |
NSN 5310-00-912-4598 is a Washer,key, manufactured by Triumph Engine Control Systems Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-912-4598 has 1 manufacturer part number on file: 28980-7 (Triumph Engine Control Systems Llc).
Key specifications for 28980-7: Internal Straight Key Width: 0.081 INCHES MINIMUM AND 0.091 INCHES MAXIMUM IN; Distance From Centerline to Top of Internal Key: 0.155 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN; Overall Distance Including Keys: 0.910 INCHES NOMINAL IN; Heat Treatment: AS FABRICATED. 14 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.