Valve, Gate4820-01-321-1799

NSN 4820-01-321-1799 · NIIN 013211799 · Part number W2054B-02TY 1IN

Velan Valve Corp. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 57574

Government record, cited

NSN 4820-01-321-1799 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-321-1799. Manufacturer of record part number: W2054B-02TY 1IN.

Also searched as 4820-01-321-1799 · 4820013211799 · NIIN 013211799 · 01-321-1799 · FSC 4820 Valves, Nonpowered · CAGE 57574 · W2054B-02TY 1IN

Nearby stock numbers ← 4820-01-321-1791 Valve, Safety Relief · 4820-01-321-2219 →

4820-01-321-1799 — Valves, Nonpowered

Features

Valve,gate — FSC 4820
Inlet Relationship with Outlet: IDENTICAL
Nominal Pipe Size Accommodated: 1.000 INCHES IN
Connection Type: SOCKET, WELD, PIPE
Valve Size: 1.000 INCHES IN
Bonnet Type: OUTSIDE SCREW-YOKE
Bonnet Attachment Method: BOLTED
Material: STEEL BODY

Identification

NSN: 4820-01-321-1799
NIIN: 013211799
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: W2054B-02TY 1IN
Manufacturer: Velan Valve Corp.

General Description

The Valve,gate, cataloged under National Stock Number 4820-01-321-1799, 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 8 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	4820-01-321-1799
Primary Part Number	W2054B-02TY 1IN
Item Name	Valve,gate
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Velan Valve Corp.
Status	ACTIVE
Inlet Relationship with Outlet	IDENTICAL
Nominal Pipe Size Accommodated	1.000 INCHES IN
Connection Type	SOCKET, WELD, PIPE
Valve Size	1.000 INCHES IN
Bonnet Type	OUTSIDE SCREW-YOKE
Bonnet Attachment Method	BOLTED
Material	STEEL BODY
Valve Operation Method	MANUAL

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
W2054B-02TY 1IN 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

Frequently Asked Questions

What is NSN 4820-01-321-1799?

NSN 4820-01-321-1799 is a Valve,gate, manufactured by Velan Valve Corp., classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-321-1799?

NSN 4820-01-321-1799 has 1 manufacturer part number on file: W2054B-02TY 1IN (Velan Valve Corp.).

What are the specifications of W2054B-02TY 1IN?

Key specifications for W2054B-02TY 1IN: Inlet Relationship with Outlet: IDENTICAL; Nominal Pipe Size Accommodated: 1.000 INCHES IN; Connection Type: SOCKET, WELD, PIPE; Valve Size: 1.000 INCHES IN. 8 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-321-1799 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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