Valve, Plug4820-01-531-3604

NSN 4820-01-531-3604 · NIIN 015313604 · Part number B-4P4T1

Swagelok Co · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 3T9T9

Government record, cited

NSN 4820-01-531-3604 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-531-3604. Manufacturer of record part number: B-4P4T1.

Also searched as 4820-01-531-3604 · 4820015313604 · NIIN 015313604 · 01-531-3604 · FSC 4820 Valves, Nonpowered · CAGE 3T9T9 · B-4P4T1

Nearby stock numbers ← 4820-01-531-3578 Parts Kit, Rotary Cam Directional · 4820-01-531-3614 Valve, Butterfly →

4820-01-531-3604 — Valves, Nonpowered

Features

Valve,plug — FSC 4820
Furnished Items and Quantity: 1 HANDLE
Connection Style: PLAIN (PIPE) FIRST END
Connection Type: THREADED EXTERNAL PIPE FIRST END
Flow Style: TWO-WAY TWO PORT 90 DEGREE PLUG TURN
Thread Direction: RIGHT-HAND FIRST END
Nominal Thread Size: 0.250 INCHES FIRST END IN
Material: COPPER ALLOY BODY

Identification

NSN: 4820-01-531-3604
NIIN: 015313604
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: B-4P4T1
Manufacturer: Swagelok Co

General Description

The Valve,plug, cataloged under National Stock Number 4820-01-531-3604, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Swagelok Co. 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	4820-01-531-3604
Primary Part Number	B-4P4T1
Item Name	Valve,plug
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Swagelok Co
Status	ACTIVE
Furnished Items and Quantity	1 HANDLE
Connection Style	PLAIN (PIPE) FIRST END
Connection Type	THREADED EXTERNAL PIPE FIRST END
Flow Style	TWO-WAY TWO PORT 90 DEGREE PLUG TURN
Thread Direction	RIGHT-HAND FIRST END
Nominal Thread Size	0.250 INCHES FIRST END IN
Material	COPPER ALLOY BODY
Thread Series Designator	NPT FIRST END
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
B-4P4T1 PRIMARY	Swagelok Co (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 4820-01-531-3604?

NSN 4820-01-531-3604 is a Valve,plug, manufactured by Swagelok Co, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-531-3604?

NSN 4820-01-531-3604 has 1 manufacturer part number on file: B-4P4T1 (Swagelok Co).

What are the specifications of B-4P4T1?

Key specifications for B-4P4T1: Furnished Items and Quantity: 1 HANDLE; Connection Style: PLAIN (PIPE) FIRST END; Connection Type: THREADED EXTERNAL PIPE FIRST END; Flow Style: TWO-WAY TWO PORT 90 DEGREE PLUG TURN. 9 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-531-3604 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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