The Washer,key, cataloged under National Stock Number 5310-01-130-7260, 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 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-130-7260 |
| Primary Part Number | AEC004443-1 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Triumph Engine Control Systems Llc |
| Status | ACTIVE |
| Internal Straight Key Width | 0.120 INCHES NOMINAL IN |
| Distance From Centerline to Top of Internal Key | 0.347 INCHES MINIMUM AND 0.357 INCHES MAXIMUM IN |
| Style Designator | KEY |
| Outside Diameter | 1.185 INCHES MINIMUM AND 1.195 INCHES MAXIMUM IN |
| Material Thickness | 0.235 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Internal Key Quantity | 2 |
| Hole Diameter | 0.795 INCHES MINIMUM AND 0.810 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 |
|---|---|
| AEC004443-1 PRIMARY | Triumph Engine Control Systems Llc (USA) |
| Reference | Meaning |
|---|---|
| AEC004443-1 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5310-01-130-7260 is a Washer,key, manufactured by Triumph Engine Control Systems Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-130-7260 has 1 manufacturer part number on file: AEC004443-1 (Triumph Engine Control Systems Llc).
Key specifications for AEC004443-1: Internal Straight Key Width: 0.120 INCHES NOMINAL IN; Distance From Centerline to Top of Internal Key: 0.347 INCHES MINIMUM AND 0.357 INCHES MAXIMUM IN; Style Designator: KEY; Outside Diameter: 1.185 INCHES MINIMUM AND 1.195 INCHES MAXIMUM IN. 8 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.