The Washer,key, cataloged under National Stock Number 5310-01-446-1601, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Daimler Truck North America Llc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-446-1601 |
| Primary Part Number | TDA/1229F4634 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Daimler Truck North America Llc |
| Status | ACTIVE |
| Internal Straight Key Width | 0.380 INCHES NOMINAL IN |
| Outside Diameter | 4.300 INCHES NOMINAL IN |
| Material Thickness | 0.160 INCHES NOMINAL IN |
| Internal Key Quantity | 1 |
| Hole Diameter | 3.300 INCHES NOMINAL 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 |
|---|---|
| 1229F4634 | Meritor Industrial Products, Llc (USA) |
| TDA/1229F4634 PRIMARY | Daimler Truck North America Llc (USA) |
| 1229-F-4634 | Meritor Heavy Vehicle Systems, Llc (USA) |
NSN 5310-01-446-1601 is a Washer,key, manufactured by Daimler Truck North America Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-446-1601 has 3 manufacturer part numbers on file: 1229F4634 (Meritor Industrial Products, Llc), TDA/1229F4634 (Daimler Truck North America Llc), 1229-F-4634 (Meritor Heavy Vehicle Systems, Llc).
Key specifications for TDA/1229F4634: Internal Straight Key Width: 0.380 INCHES NOMINAL IN; Outside Diameter: 4.300 INCHES NOMINAL IN; Material Thickness: 0.160 INCHES NOMINAL IN; Special Features: 16 HOLES EQUALLY SPACED/DIA .330.. 5 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.