NSN 4820-01-157-3190 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-157-3190. Manufacturer of record part number: 2AT808.
The Cartridge,valve, cataloged under National Stock Number 4820-01-157-3190, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Cartridge,valve
FSC / FSG
4820 — Valves, Nonpowered (FSG 48)
Manufacturers
Hiab Usa Inc (CAGE 34914); Oshkosh Defense Llc (CAGE 75Q65)
Technical Specifications
Parameter
Value
NSN
4820-01-157-3190
Primary Part Number
2AT808
Item Name
Cartridge,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Oshkosh Defense Llc
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items2
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4710-01-355-77373905047POSSIBLE MATCH
TUBE,BENT,METALLIC
Possible match (shared part number)Cummins Inc.
5320-01-360-8413390504-7POSSIBLE MATCH
RIVET,SOLID
Possible match (shared part number)Bae Systems Information and Electronic Systems Integration Inc.
NSN 4820-01-157-3190 is a Cartridge,valve, manufactured by Oshkosh Defense Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-157-3190?
NSN 4820-01-157-3190 has 2 manufacturer part numbers on file: 390 5047 (Hiab Usa Inc), 2AT808 (Oshkosh Defense Llc).
What NSN replaces 4820-01-157-3190?
2 possible matches (shared part number, not a government interchangeability claim): 4710-01-355-7737, 5320-01-360-8413. Verify interchangeability with system specifications before substitution.
Is NSN 4820-01-157-3190 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.