The Valve,check, cataloged under National Stock Number 4820-01-161-0148, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Oshkosh Defense Llc. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Valve,check |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Oshkosh Defense Llc (CAGE 75Q65); Jlg Industries (australia) Jlg Australia Pty Limited (CAGE Z1DF2) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-161-0148 |
| Primary Part Number | EE41253 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| EE41253 PRIMARY | Oshkosh Defense Llc (USA) |
| EE41253 | Jlg Industries (australia) Jlg Australia Pty Limited (AUS) |
| Reference | Meaning |
|---|---|
| FIG 20 1/4IN | 5/9 Secondary reference Crane Co Div Valve Div |
| EC-20-B | 3/9 Design control — primary reference Crane Co Div Valve Div |
| EE41253 | 5/9 Secondary reference Oshkosh Corp |
| EE41253 | 5/9 Secondary reference Jlg Industries (australia) Jlg Industries Inc |
NSN 4820-01-161-0148 is a Valve,check, manufactured by Oshkosh Defense Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-161-0148 has 2 manufacturer part numbers on file: EE41253 (Oshkosh Defense Llc), EE41253 (Jlg Industries (australia) Jlg Australia Pty Limited).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-316-4567. Verify interchangeability with system specifications before substitution.
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.