Valve, Ball4820-01-196-0478

NSN 4820-01-196-0478 · NIIN 011960478 · Part number BWS22TT 1IN

Portland Valve Llc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 53154

Government record, cited

NSN 4820-01-196-0478 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-196-0478. Manufacturer of record part number: BWS22TT 1IN.

Also searched as 4820-01-196-0478 · 4820011960478 · NIIN 011960478 · 01-196-0478 · FSC 4820 Valves, Nonpowered · CAGE 53154 · BWS22TT 1IN · 4C22TT 1IN

Nearby stock numbers ← 4820-01-196-0477 Valve, Globe · 4820-01-196-0488 Valve, Pressure Equalizing, Gaseou →

4820-01-196-0478 — Valves, Nonpowered

Features

Valve,ball — FSC 4820
Nominal Pipe Size Accommodated: 1.000 INCHES FIRST END IN
Connection Style: SOCKET ALL ENDS
Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS
Style Designator: STRAIGHT THRU
Operating Pressure: 2500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Maximum Operating Temp: 100.0 FAHRENHEIT SINGLE RESPONSE DEGF
Media for Which Designed: STEAM SINGLE RESPONSE

Identification

NSN: 4820-01-196-0478
NIIN: 011960478
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: BWS22TT 1IN
Manufacturer: Portland Valve Llc

General Description

The Valve,ball, cataloged under National Stock Number 4820-01-196-0478, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Portland Valve Llc. Government technical data includes 13 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	4820-01-196-0478
Primary Part Number	BWS22TT 1IN
Item Name	Valve,ball
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Portland Valve Llc
Status	ACTIVE
Nominal Pipe Size Accommodated	1.000 INCHES FIRST END IN
Connection Style	SOCKET ALL ENDS
Connection Type	UNTHREADED INTERNAL PIPE ALL ENDS
Style Designator	STRAIGHT THRU
Operating Pressure	2500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Maximum Operating Temp	100.0 FAHRENHEIT SINGLE RESPONSE DEGF
Media for Which Designed	STEAM SINGLE RESPONSE
Material	STEEL BODY
Material	PLASTIC POLYURETHANE SEAT
Material	STEEL FLOW CONTROL DEVICE
Material	STEEL STEM
Material	PLASTIC POLYURETHANE PACKING
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
BWS22TT 1IN PRIMARY	Portland Valve Llc (USA)
4C22TT 1IN PRIMARY	Portland Valve Llc (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 4820-01-196-0478?

NSN 4820-01-196-0478 is a Valve,ball, manufactured by Portland Valve Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-196-0478?

NSN 4820-01-196-0478 has 2 manufacturer part numbers on file: BWS22TT 1IN (Portland Valve Llc), 4C22TT 1IN (Portland Valve Llc).

What are the specifications of BWS22TT 1IN?

Key specifications for BWS22TT 1IN: Nominal Pipe Size Accommodated: 1.000 INCHES FIRST END IN; Connection Style: SOCKET ALL ENDS; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS; Style Designator: STRAIGHT THRU. 13 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-196-0478 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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