Valve, Gate4820-01-463-9102

NSN 4820-01-463-9102 · NIIN 014639102 · Part number W55 1IN

The Walworth Company · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 63686

Government record, cited

NSN 4820-01-463-9102 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-463-9102. Manufacturer of record part number: W55 1IN.

Also searched as 4820-01-463-9102 · 4820014639102 · NIIN 014639102 · 01-463-9102 · FSC 4820 Valves, Nonpowered · CAGE 63686 · W55 1IN

Nearby stock numbers ← 4820-01-463-9088 Valve, Regulating, Temperature · 4820-01-463-9106 Valve, Gate →

4820-01-463-9102 — Valves, Nonpowered

Features

Valve,gate — FSC 4820
Inlet Relationship with Outlet: IDENTICAL
Stem Type: RISING
Valve Size: 1.000 INCHES IN
Bonnet Type: INSIDE SCREW
Bonnet Attachment Method: THREADED
Material: COPPER ALLOY BODY
Material: COPPER ALLOY DISK

Identification

NSN: 4820-01-463-9102
NIIN: 014639102
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: W55 1IN
Manufacturer: The Walworth Company

General Description

The Valve,gate, cataloged under National Stock Number 4820-01-463-9102, 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 9 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	4820-01-463-9102
Primary Part Number	W55 1IN
Item Name	Valve,gate
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	The Walworth Company
Status	ACTIVE
Inlet Relationship with Outlet	IDENTICAL
Stem Type	RISING
Valve Size	1.000 INCHES IN
Bonnet Type	INSIDE SCREW
Bonnet Attachment Method	THREADED
Material	COPPER ALLOY BODY
Material	COPPER ALLOY DISK
Material	SILICON AND COPPER ALLOY STEM
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
W55 1IN 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

Frequently Asked Questions

What is NSN 4820-01-463-9102?

NSN 4820-01-463-9102 is a Valve,gate, manufactured by The Walworth Company, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-463-9102?

NSN 4820-01-463-9102 has 1 manufacturer part number on file: W55 1IN (The Walworth Company).

What are the specifications of W55 1IN?

Key specifications for W55 1IN: Inlet Relationship with Outlet: IDENTICAL; Stem Type: RISING; Valve Size: 1.000 INCHES IN; Bonnet Type: INSIDE SCREW. 9 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-463-9102 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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