NSN 4820-00-932-0819 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-932-0819. Manufacturer of record part number: 3R3837.
Nearby stock numbers← 4820-00-932-0790 Valve, Four Way
·
4820-00-932-0835 →
4820-00-932-0819 — Valves, Nonpowered
Features
Cock,shutoff,screw Stem — FSC 4820
2 manufacturer part numbers on file
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense
Identification
NSN: 4820-00-932-0819
NIIN: 009320819
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 3R3837
Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description
The Cock,shutoff,screw Stem, cataloged under National Stock Number 4820-00-932-0819, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. The record lists 2 manufacturer part numbers 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
Cock,shutoff,screw Stem
FSC / FSG
4820 — Valves, Nonpowered (FSG 48)
Manufacturers
Lincoln Brass Works Inc (CAGE 75833); Caterpillar Inc Div Caterpillar Defense (CAGE 11083)
Technical Specifications
Parameter
Value
NSN
4820-00-932-0819
Primary Part Number
3R3837
Item Name
Cock,shutoff,screw Stem
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Caterpillar Inc Div Caterpillar Defense
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.
6625-01-246-3291POSSIBLE MATCH
TEST LEAD ATTACHMENT
Possible match (shared part number)
5315-01-249-067948272POSSIBLE MATCH
PIN
Possible match (shared part number)Spirax Sarco Inc Dba Spirax Sarco
NSN 4820-00-932-0819 is a Cock,shutoff,screw Stem, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-00-932-0819?
NSN 4820-00-932-0819 has 2 manufacturer part numbers on file: 4827-2 (Lincoln Brass Works Inc), 3R3837 (Caterpillar Inc Div Caterpillar Defense).
What NSN replaces 4820-00-932-0819?
2 possible matches (shared part number, not a government interchangeability claim): 6625-01-246-3291, 5315-01-249-0679. Verify interchangeability with system specifications before substitution.
Is NSN 4820-00-932-0819 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.