The Washer,key, cataloged under National Stock Number 5310-00-353-2402, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Meritor Industrial Products, Llc. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-353-2402 |
| Primary Part Number | T5373 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Meritor Industrial Products, Llc |
| Status | ACTIVE |
| Internal Straight Key Width | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN |
| Distance From Centerline to Top of Internal Key | 1.3577 INCHES MINIMUM AND 1.3612 INCHES MAXIMUM IN |
| Style Designator | KEY |
| Outside Diameter | 4.365 INCHES MINIMUM AND 4.385 INCHES MAXIMUM IN |
| Material Thickness | 0.210 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Internal Key Quantity | 1 |
| Hole Diameter | 3.008 INCHES MINIMUM AND 3.015 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 |
|---|---|
| T5373 | Hme, Inc. Dba Hme Ahrens-Fox (USA) |
| T5373 PRIMARY | Meritor Industrial Products, Llc (USA) |
| Reference | Meaning |
|---|---|
| 6053SR | C/1 Advisory reference — outside the item-of-supply concept Oshkosh Defense Llc |
| 6053SR | 5/9 Secondary reference Oshkosh Corp |
| T5373 | 5/9 Secondary reference Meritor Heavy Vehicle Systems, Llc |
NSN 5310-00-353-2402 is a Washer,key, manufactured by Meritor Industrial Products, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-353-2402 has 2 manufacturer part numbers on file: T5373 (Hme, Inc. Dba Hme Ahrens-Fox), T5373 (Meritor Industrial Products, Llc).
Key specifications for T5373: Internal Straight Key Width: 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN; Distance From Centerline to Top of Internal Key: 1.3577 INCHES MINIMUM AND 1.3612 INCHES MAXIMUM IN; Style Designator: KEY; Outside Diameter: 4.365 INCHES MINIMUM AND 4.385 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.