Valve, Flow Control4820-01-464-0434

NSN 4820-01-464-0434 · NIIN 014640434 · Part number VB-7253-0-4-01

Barber-Colman Co Siebe Environmental Controls Div · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 075N6

Government record, cited

NSN 4820-01-464-0434 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-464-0434. Manufacturer of record part number: VB-7253-0-4-01.

Also searched as 4820-01-464-0434 · 4820014640434 · NIIN 014640434 · 01-464-0434 · FSC 4820 Valves, Nonpowered · CAGE 075N6 · VB-7253-0-4-01

Nearby stock numbers ← 4820-01-464-0401 Valve, Lift-Check · 4820-01-464-0440 Valve, Relief, Pressure and Temper →

4820-01-464-0434 — Valves, Nonpowered

Features

Valve,flow Control — FSC 4820
Stem Material: STEEL CORROSION RESISTING
Disk Material: PLASTIC POLYTETRAFLUOROETHYLENE
Connection Type: THREADED INTERNAL PIPE
End Connection Quantity: 2
Nominal Thread Size: 0.500 INCHES IN
Body Material: COPPER ALLOY
Seat Material: STEEL CORROSION RESISTING

Identification

NSN: 4820-01-464-0434
NIIN: 014640434
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: VB-7253-0-4-01
Manufacturer: Barber-Colman Co Siebe Environmental Controls Div

General Description

The Valve,flow Control, cataloged under National Stock Number 4820-01-464-0434, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Barber-Colman Co Siebe Environmental Controls Div. 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	4820-01-464-0434
Primary Part Number	VB-7253-0-4-01
Item Name	Valve,flow Control
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Barber-Colman Co Siebe Environmental Controls Div
Status	ACTIVE
Stem Material	STEEL CORROSION RESISTING
Disk Material	PLASTIC POLYTETRAFLUOROETHYLENE
Connection Type	THREADED INTERNAL PIPE
End Connection Quantity	2
Nominal Thread Size	0.500 INCHES IN
Body Material	COPPER ALLOY
Seat Material	STEEL CORROSION RESISTING
Thread Series Designator	NPT

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
VB-7253-0-4-01 PRIMARY	Barber-Colman Co Siebe Environmental Controls Div (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 4820-01-464-0434?

NSN 4820-01-464-0434 is a Valve,flow Control, manufactured by Barber-Colman Co Siebe Environmental Controls Div, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-464-0434?

NSN 4820-01-464-0434 has 1 manufacturer part number on file: VB-7253-0-4-01 (Barber-Colman Co Siebe Environmental Controls Div).

What are the specifications of VB-7253-0-4-01?

Key specifications for VB-7253-0-4-01: Stem Material: STEEL CORROSION RESISTING; Disk Material: PLASTIC POLYTETRAFLUOROETHYLENE; Connection Type: THREADED INTERNAL PIPE; End Connection Quantity: 2. 8 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-464-0434 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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