Disk, Valve 4820-00-334-3856 NSN 4820-00-334-3856 · NIIN 003343856 · Part number B43079
Spirax Sarco Inc Dba Spirax Sarco · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 53059
NSN 4820-00-334-3856 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-334-3856. Manufacturer of record part number: B43079 .
Also searched as
4820-00-334-3856 ·
4820003343856 ·
NIIN 003343856 ·
00-334-3856 ·
FSC 4820 Valves, Nonpowered · CAGE 53059 · B43079
Nearby stock numbers
← 4820-00-334-3855
·
4820-00-334-3857 Seat, Valve →
4820-00-334-3856 — Valves, Nonpowered
Features
Disk,valve — FSC 4820 Outside Diameter: 0.657 INCHES NOMINAL IN Style Designator: PLUG Seat Angle: 25.0 DEGREES NOMINAL Nominal Thread Size: 0.312 INCHES IN Thread Class: 2B Material: STEEL CORROSION RESISTING Thread Series Designator: UNF
Identification
NSN: 4820-00-334-3856
NIIN: 003343856
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: B43079
Manufacturer: Spirax Sarco Inc Dba Spirax Sarco
General Description
The Disk,valve, cataloged under National Stock Number 4820-00-334-3856, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Spirax Sarco Inc Dba Spirax Sarco. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter Value NSN 4820-00-334-3856 Primary Part Number B43079 Item Name Disk,valve FSC / FSG 4820 / 48 — Valves, Nonpowered Manufacturer Spirax Sarco Inc Dba Spirax Sarco Status ACTIVE Outside Diameter 0.657 INCHES NOMINAL IN Style Designator PLUG Seat Angle 25.0 DEGREES NOMINAL Nominal Thread Size 0.312 INCHES IN Thread Class 2B Material STEEL CORROSION RESISTING Thread Series Designator UNF
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
Cross-Reference Index
Part Number Manufacturer
B43079 PRIMARY Spirax Sarco Inc Dba Spirax Sarco (USA)
No interchangeability data on file.
Other items in FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file
Frequently Asked Questions
What is NSN 4820-00-334-3856?
NSN 4820-00-334-3856 is a Disk,valve, manufactured by Spirax Sarco Inc Dba Spirax Sarco, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-00-334-3856?
NSN 4820-00-334-3856 has 1 manufacturer part number on file: B43079 (Spirax Sarco Inc Dba Spirax Sarco).
What are the specifications of B43079?
Key specifications for B43079: Overall Height: 1.060 INCHES NOMINAL IN; Outside Diameter: 0.657 INCHES NOMINAL IN; Style Designator: PLUG; Seat Angle: 25.0 DEGREES NOMINAL. 7 specifications are documented in the U.S. Government catalog.
Is NSN 4820-00-334-3856 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.
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