NSN 4820-00-336-5518 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-336-5518. Manufacturer of record part number: 78963.
Also searched as4820-00-336-5518 ·
4820003365518 ·
NIIN 003365518 ·
00-336-5518 ·
FSC 4820 Valves, Nonpowered · CAGE 38056 · 78963
The Disk,valve, cataloged under National Stock Number 4820-00-336-5518, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ashcroft Inc Dba Heise. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 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
Disk,valve
FSC / FSG
4820 — Valves, Nonpowered (FSG 48)
Manufacturers
Ashcroft Inc Dba Heise (CAGE 38056)
Technical Specifications
Parameter
Value
NSN
4820-00-336-5518
Primary Part Number
78963
Item Name
Disk,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Ashcroft Inc Dba Heise
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
⇄Related Items2
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4720-00-737-6839526149POSSIBLE MATCH
HOSE ASSEMBLY,METALLIC
Possible match (shared part number)Renk America Llc Div Renk America
NSN 4820-00-336-5518 is a Disk,valve, manufactured by Ashcroft Inc Dba Heise, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-00-336-5518?
NSN 4820-00-336-5518 has 1 manufacturer part number on file: 78963 (Ashcroft Inc Dba Heise).
What NSN replaces 4820-00-336-5518?
2 possible matches (shared part number, not a government interchangeability claim): 4720-00-737-6839, 5895-00-986-0977. Verify interchangeability with system specifications before substitution.
Is NSN 4820-00-336-5518 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.