NSN 4820-01-143-5494 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-143-5494. Manufacturer of record part number: 32641.
Nearby stock numbers← 4820-01-143-5492 Cap, Dome
·
4820-01-143-5740 →
4820-01-143-5494 — Valves, Nonpowered
Features
Disk,valve — FSC 4820
Outside Diameter: 1.000 INCHES NOMINAL IN
Style Designator: FLAT WEDGE
Material Thickness: 0.600 INCHES MINIMUM AND 0.855 INCHES MAXIMUM IN
Material: STEEL CORROSION RESISTING
2 manufacturer part numbers on file
Manufacturer of record: Vogt Valves, Inc. Dba Vogt Valves Inc
Identification
NSN: 4820-01-143-5494
NIIN: 011435494
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 32641
Manufacturer: Vogt Valves, Inc. Dba Vogt Valves Inc
General Description
The Disk,valve, cataloged under National Stock Number 4820-01-143-5494, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Vogt Valves, Inc. Dba Vogt Valves Inc. Government technical data includes 4 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-143-5494
Primary Part Number
32641
Item Name
Disk,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Vogt Valves, Inc. Dba Vogt Valves Inc
Status
ACTIVE
Outside Diameter
1.000 INCHES NOMINAL IN
Style Designator
FLAT WEDGE
Material Thickness
0.600 INCHES MINIMUM AND 0.855 INCHES MAXIMUM IN
Material
STEEL CORROSION RESISTING
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 Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5133-01-180-6903POSSIBLE MATCH
DRILL,TWIST
Possible match (shared part number)
9340-01-324-17303264100POSSIBLE MATCH
WINDOW,OBSERVATION
Possible match (shared part number)Alfa Laval Inc
6520-01-389-93313264-1POSSIBLE MATCH
PAPER,ARTICULATING,DENTAL
Possible match (shared part number)Denar Corp
3120-01-413-5514WEG12POSSIBLE MATCH
BEARING,PLAIN,SELF-ALIGNING
Possible match (shared part number)Roller Bearing Company of America, Inc.
5999-01-439-633711565APOSSIBLE MATCH
ACCESSORY KIT,ELECTRONIC EQUIPME
Possible match (shared part number)Agilent Technologies, Inc. Div Agilent Technologies Headquarters
NSN 4820-01-143-5494 is a Disk,valve, manufactured by Vogt Valves, Inc. Dba Vogt Valves Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-143-5494?
NSN 4820-01-143-5494 has 2 manufacturer part numbers on file: 32641 (Vogt Valves, Inc. Dba Vogt Valves Inc), 32641 (Petro-Valve, Inc.).
What NSN replaces 4820-01-143-5494?
6 possible matches (shared part number, not a government interchangeability claim): 5133-01-180-6903, 9340-01-324-1730, 6520-01-389-9331. Verify interchangeability with system specifications before substitution.
What are the specifications of 32641?
Key specifications for 32641: Overall Height: 2.135 INCHES NOMINAL IN; Outside Diameter: 1.000 INCHES NOMINAL IN; Style Designator: FLAT WEDGE; Material Thickness: 0.600 INCHES MINIMUM AND 0.855 INCHES MAXIMUM IN. 4 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-143-5494 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.