The Washer,convex, cataloged under National Stock Number 5310-01-480-7038, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Cummins Filtration Inc.. Government technical data includes 4 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-480-7038 |
| Primary Part Number | Q-62984 |
| Item Name | Washer,convex |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Cummins Filtration Inc. |
| Status | ACTIVE |
| Style Designator | CONVEX |
| Outside Diameter | 2.120 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.380 INCHES MINIMUM AND 0.390 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 |
|---|---|
| Q-62984 PRIMARY | Cummins Filtration Inc. (USA) |
| Reference | Meaning |
|---|---|
| Q62984-20 | 5/9 Secondary reference Cummins Filtration Inc. |
| 1HR296 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
| 5310014807038 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 1HR296 | 5/9 Secondary reference Oshkosh Corp |
NSN 5310-01-480-7038 is a Washer,convex, manufactured by Cummins Filtration Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-480-7038 has 1 manufacturer part number on file: Q-62984 (Cummins Filtration Inc.).
Key specifications for Q-62984: Style Designator: CONVEX; Outside Diameter: 2.120 INCHES NOMINAL IN; Special Features: MATERIAL:20GA MILD STEEL; End Item Identification: 2320-01-465-2174; MRAP BUFFALO MK2A2; MRAP - M-ATV; MRAP - COUGAR ISS 1.0; MRAP - COUGAR ISS 1.5. 4 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.