Valve, Gate4820-01-642-0343

NSN 4820-01-642-0343 · NIIN 016420343 · Part number WARREN-851-S.50IN

Warren Alloy Valve and Fitting Co Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 095Y7

Government record, cited

NSN 4820-01-642-0343 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-642-0343. Manufacturer of record part number: WARREN-851-S.50IN.

Also searched as 4820-01-642-0343 · 4820016420343 · NIIN 016420343 · 01-642-0343 · FSC 4820 Valves, Nonpowered · CAGE 095Y7 · WARREN-851-S.50IN

Nearby stock numbers ← 4820-01-642-0338 Valve, Check · 4820-01-642-0420 Repair Kit, Valve →

4820-01-642-0343 — Valves, Nonpowered

Features

Valve,gate — FSC 4820
Stem Type: RISING
Connection Type: SOCKET, WELD, PIPE
Valve Size: 0.500 INCHES IN
Material: STEEL BODY
Valve Operation Method: MANUAL
2 manufacturer part numbers on file
Manufacturer of record: Warren Alloy Valve and Fitting Co Inc

Identification

NSN: 4820-01-642-0343
NIIN: 016420343
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: WARREN-851-S.50IN
Manufacturer: Warren Alloy Valve and Fitting Co Inc

General Description

The Valve,gate, cataloged under National Stock Number 4820-01-642-0343, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Warren Alloy Valve and Fitting Co Inc. Government technical data includes 5 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. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-642-0343
Primary Part Number	WARREN-851-S.50IN
Item Name	Valve,gate
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Warren Alloy Valve and Fitting Co Inc
Status	ACTIVE
Stem Type	RISING
Connection Type	SOCKET, WELD, PIPE
Valve Size	0.500 INCHES IN
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
WARREN-851-S.50IN PRIMARY	Warren Alloy Valve and Fitting Co Inc (USA)
WARREN-851-S.50IN	W & O Supply Inc (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 4820-01-642-0343?

NSN 4820-01-642-0343 is a Valve,gate, manufactured by Warren Alloy Valve and Fitting Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-642-0343?

NSN 4820-01-642-0343 has 2 manufacturer part numbers on file: WARREN-851-S.50IN (Warren Alloy Valve and Fitting Co Inc), WARREN-851-S.50IN (W & O Supply Inc).

What are the specifications of WARREN-851-S.50IN?

Key specifications for WARREN-851-S.50IN: Stem Type: RISING; Connection Type: SOCKET, WELD, PIPE; Valve Size: 0.500 INCHES IN; Special Features: FORGED CARBON STEEL. 5 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-642-0343 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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