Seat, Valve4820-01-262-9243

NSN 4820-01-262-9243 · NIIN 012629243 · Part number 101-8194

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

Government record, cited

NSN 4820-01-262-9243 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-262-9243. Manufacturer of record part number: 101-8194.

Also searched as 4820-01-262-9243 · 4820012629243 · NIIN 012629243 · 01-262-9243 · FSC 4820 Valves, Nonpowered · CAGE 53154 · 101-8194 · 420393 · 420393

Nearby stock numbers ← 4820-01-262-9213 Valve, Regulating, Temperature · 4820-01-262-9244 Seat, Valve →

4820-01-262-9243 — Valves, Nonpowered

Features

Seat,valve — FSC 4820
3 manufacturer part numbers on file
Manufacturer of record: Portland Valve Llc

Identification

NSN: 4820-01-262-9243
NIIN: 012629243
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 101-8194
Manufacturer: Portland Valve Llc

General Description

The Seat,valve, cataloged under National Stock Number 4820-01-262-9243, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Portland Valve Llc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Seat,valve
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Keystone Fire Protection Co Dba Keystone Fire Protection Co (CAGE 1U693); Portland Valve Llc (CAGE 53154); Tyco Fire Products Lp (CAGE 03670)

Technical Specifications

Parameter	Value
NSN	4820-01-262-9243
Primary Part Number	101-8194
Item Name	Seat,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Portland Valve Llc
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

⇄ Related Items 1

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

5925-01-646-0195420393 POSSIBLE MATCH

CIRCUIT BREAKER

Possible match (shared part number)Doall Baltimore Company

Cross-Reference Index

Part Number	Manufacturer
420393	Keystone Fire Protection Co Dba Keystone Fire Protection Co (USA)
101-8194 PRIMARY	Portland Valve Llc (USA)
420393	Tyco Fire Products Lp (USA)

Reference documents

Reference	Meaning
101-8194	5/9 Secondary reference Tyco Fire Products Lp

Related Parts

5925-01-646-0195POSSIBLE MATCH

CIRCUIT BREAKER

420393

Frequently Asked Questions

What is NSN 4820-01-262-9243?

NSN 4820-01-262-9243 is a Seat,valve, manufactured by Portland Valve Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-262-9243?

NSN 4820-01-262-9243 has 3 manufacturer part numbers on file: 420393 (Keystone Fire Protection Co Dba Keystone Fire Protection Co), 101-8194 (Portland Valve Llc), 420393 (Tyco Fire Products Lp).

What NSN replaces 4820-01-262-9243?

1 possible match (shared part number, not a government interchangeability claim): 5925-01-646-0195. Verify interchangeability with system specifications before substitution.

Is NSN 4820-01-262-9243 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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