The Support Assembly,valve, cataloged under National Stock Number 4820-01-082-9181, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-082-9181 |
| Primary Part Number | 6834463 |
| Item Name | Support Assembly,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL:2.145 IN. O/A LG; 0.225 IN. SHAFT DIA. 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 |
|---|---|
| 2AX203 | Oshkosh Defense Llc (USA) |
| 6834463 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| Reference | Meaning |
|---|---|
| 2AX203 | 5/9 Secondary reference Oshkosh Corp |
| 6834463 | 5/9 Secondary reference Detroit Diesel (overseas Distribution Corp) |
NSN 4820-01-082-9181 is a Support Assembly,valve, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-082-9181 has 2 manufacturer part numbers on file: 2AX203 (Oshkosh Defense Llc), 6834463 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for 6834463: General Characteristics Item Description: STEEL:2.145 IN. O/A LG; 0.225 IN. SHAFT DIA. IN; End Item Identification: 2320-01-304-2277 AND 2320-01-304-2278 PLS (PALLETIZED LOADING SYSTEM. 1 specification is 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.