The Ring,dee, cataloged under National Stock Number 5365-01-421-8333, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-421-8333 |
| Primary Part Number | 5HD4 |
| Item Name | Ring,dee |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Straight Side Form | ROLLER |
| Inside Width | 1.560 INCHES NOMINAL IN |
| Stock Size | 1.000 IN. DIA. IN |
| Material | STEEL |
| Inside Height | 0.940 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 |
|---|---|
| 5HD4 PRIMARY | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 12440688 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
| 5HD4 | 5/9 Secondary reference Oshkosh Corp |
NSN 5365-01-421-8333 is a Ring,dee, manufactured by Oshkosh Defense Llc, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-421-8333 has 1 manufacturer part number on file: 5HD4 (Oshkosh Defense Llc).
Key specifications for 5HD4: Straight Side Form: ROLLER; Inside Width: 1.560 INCHES NOMINAL IN; Stock Size: 1.000 IN. DIA. IN; End Item Identification: 3990-01-406-1340 IMPROVED PLS FLATRACK. 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.