Stem, Fluid Valve4820-00-201-8558

NSN 4820-00-201-8558 · NIIN 002018558 · Part number GCP650-100

M.t. Davidson Company · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 16062

Government record, cited

NSN 4820-00-201-8558 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-201-8558. Manufacturer of record part number: GCP650-100.

Also searched as 4820-00-201-8558 · 4820002018558 · NIIN 002018558 · 00-201-8558 · FSC 4820 Valves, Nonpowered · CAGE 16062 · GCP650-100

Nearby stock numbers ← 4820-00-201-8504 Valve, Check · 4820-00-201-8560 Seat, Valve →

4820-00-201-8558 — Valves, Nonpowered

Features

Stem,fluid Valve — FSC 4820
Largest Outside Diameter: 0.594 INCHES NOMINAL IN
Material: COPPER ALLOY
1 manufacturer part number on file
Manufacturer of record: M.t. Davidson Company

Identification

NSN: 4820-00-201-8558
NIIN: 002018558
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: GCP650-100
Manufacturer: M.t. Davidson Company

General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-00-201-8558, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is M.t. Davidson Company. Government technical data includes 2 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	4820-00-201-8558
Primary Part Number	GCP650-100
Item Name	Stem,fluid Valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	M.t. Davidson Company
Status	ACTIVE
Largest Outside Diameter	0.594 INCHES NOMINAL IN
Material	COPPER ALLOY

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
GCP650-100 PRIMARY	M.t. Davidson 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 4820-00-201-8558?

NSN 4820-00-201-8558 is a Stem,fluid Valve, manufactured by M.t. Davidson Company, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-00-201-8558?

NSN 4820-00-201-8558 has 1 manufacturer part number on file: GCP650-100 (M.t. Davidson Company).

What are the specifications of GCP650-100?

Key specifications for GCP650-100: Largest Outside Diameter: 0.594 INCHES NOMINAL IN; Overall Length: 3.125 INCHES NOMINAL IN; Material: COPPER ALLOY. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4820-00-201-8558 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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