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NSN 4820-01-456-0802Government record, cited
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Valve, Gate4820-01-456-0802

NSN 4820-01-456-0802 · NIIN 014560802 · Part number N-12183-3 4IN NON-ASBESTOS
The Walworth Company · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 63686
Government record, cited
NSN 4820-01-456-0802 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-456-0802. Manufacturer of record part number: N-12183-3 4IN NON-ASBESTOS.
Also searched as  4820-01-456-0802 · 4820014560802 · NIIN 014560802 · 01-456-0802 · FSC 4820 Valves, Nonpowered · CAGE 63686 · N-12183-3 4IN NON-ASBESTOS
Nearby stock numbers  ·
⌀7.687 INCHES IN ERR-060 rated GATE VALVE PROFILE
4820-01-456-0802 — Valves, Nonpowered
Features
  • Valve,gate — FSC 4820
  • Inlet Relationship with Outlet: IDENTICAL
  • Flange Face Design: PLAIN
  • Stem Type: RISING
  • Connection Type: FLANGE, ROUND W/HOLES
  • Material Document and Classification: ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE DISK
  • Material Document and Classification: ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
  • Material Document and Classification: QQ-N-281 FED SPEC 1ST MATERIAL RESPONSE STEM
Identification
  • NSN: 4820-01-456-0802
  • NIIN: 014560802
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: N-12183-3 4IN NON-ASBESTOS
  • Manufacturer: The Walworth Company
General Description

The Valve,gate, cataloged under National Stock Number 4820-01-456-0802, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is The Walworth Company. Government technical data includes 21 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
ParameterValue
NSN4820-01-456-0802
Primary Part NumberN-12183-3 4IN NON-ASBESTOS
Item NameValve,gate
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerThe Walworth Company
StatusACTIVE
Inlet Relationship with OutletIDENTICAL
Flange Face DesignPLAIN
Stem TypeRISING
Connection TypeFLANGE, ROUND W/HOLES
Material Document and ClassificationASTM B61 ASSN STD SINGLE MATERIAL RESPONSE DISK
Material Document and ClassificationASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
Material Document and ClassificationQQ-N-281 FED SPEC 1ST MATERIAL RESPONSE STEM
Material Document and ClassificationQQ-N-288 FED SPEC 1ST MATERIAL RESPONSE SEAT
Valve Size4.000 INCHES IN
Bonnet TypeOUTSIDE SCREW-YOKE
Specification/standard DataMIL-V-1189 TYPE 1 CLASS 2 GOVERNMENT SPECIFICATION
Bolt Hole Quantity8
Flange Diameter7.687 INCHES IN
Bonnet Attachment MethodBOLTED
Face to Face Distance6.750 INCHES IN
Pressure ClassERR-060
MaterialCOPPER ALLOY BODY
MaterialNICKEL ALLOY STEM
MaterialNICKEL ALLOY SEAT
MaterialCOPPER ALLOY DISK
Valve Operation MethodMANUAL
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
N-12183-3 4IN NON-ASBESTOS PRIMARY The Walworth Company (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
Related Parts in Valves
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
8171E-1/4HS2
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
D559A3M2
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 4820-01-456-0802?

NSN 4820-01-456-0802 is a Valve,gate, manufactured by The Walworth Company, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-456-0802?

NSN 4820-01-456-0802 has 1 manufacturer part number on file: N-12183-3 4IN NON-ASBESTOS (The Walworth Company).

What are the specifications of N-12183-3 4IN NON-ASBESTOS?

Key specifications for N-12183-3 4IN NON-ASBESTOS: Inlet Relationship with Outlet: IDENTICAL; Flange Face Design: PLAIN; Stem Type: RISING; Connection Type: FLANGE, ROUND W/HOLES. 21 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-456-0802 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.

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✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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