PartsTable TECHNICAL DATA SHEET
NSN 4820-01-455-9941Government record, cited

Valve, Gate4820-01-455-9941

NSN 4820-01-455-9941 · NIIN 014559941 · Part number W03-2074B-02NB
Velan Valve Corp. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 57574
Government record, cited
NSN 4820-01-455-9941 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-455-9941. Manufacturer of record part number: W03-2074B-02NB.
Also searched as  4820-01-455-9941 · 4820014559941 · NIIN 014559941 · 01-455-9941 · FSC 4820 Valves, Nonpowered · CAGE 57574 · W03-2074B-02NB
Nearby stock numbers  ·
Features
  • Valve,gate — FSC 4820
  • Inlet Relationship with Outlet: IDENTICAL
  • Nominal Pipe Size Accommodated: 0.500 INCHES IN
  • Stem Type: NONRISING
  • Connection Type: SOCKET, WELD, PIPE
  • Valve Size: 0.500 INCHES IN
  • Bonnet Type: OUTSIDE SCREW-YOKE
  • Bonnet Attachment Method: BOLTED
Identification
  • NSN: 4820-01-455-9941
  • NIIN: 014559941
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: W03-2074B-02NB
  • Manufacturer: Velan Valve Corp.
General Description

The Valve,gate, cataloged under National Stock Number 4820-01-455-9941, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Velan Valve Corp.. Government technical data includes 13 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
NSN4820-01-455-9941
Primary Part NumberW03-2074B-02NB
Item NameValve,gate
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerVelan Valve Corp.
StatusACTIVE
Inlet Relationship with OutletIDENTICAL
Nominal Pipe Size Accommodated0.500 INCHES IN
Stem TypeNONRISING
Connection TypeSOCKET, WELD, PIPE
Valve Size0.500 INCHES IN
Bonnet TypeOUTSIDE SCREW-YOKE
Bonnet Attachment MethodBOLTED
Pressure ClassERR-060
MaterialSTEEL BODY
MaterialSTEEL CORROSION RESISTING SEAT
MaterialSTEEL CORROSION RESISTING STEM
MaterialSTEEL CORROSION RESISTING 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
W03-2074B-02NB PRIMARY Velan Valve Corp. (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 4820-01-455-9941?

NSN 4820-01-455-9941 is a Valve,gate, manufactured by Velan Valve Corp., classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-455-9941?

NSN 4820-01-455-9941 has 1 manufacturer part number on file: W03-2074B-02NB (Velan Valve Corp.).

What are the specifications of W03-2074B-02NB?

Key specifications for W03-2074B-02NB: Inlet Relationship with Outlet: IDENTICAL; Nominal Pipe Size Accommodated: 0.500 INCHES IN; Stem Type: NONRISING; Connection Type: SOCKET, WELD, PIPE. 13 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-455-9941 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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