Seat, Valve4820-01-171-6447

NSN 4820-01-171-6447 · NIIN 011716447 · Part number 910000

Norwalk Compreseer Company Inc Dba Norwalk Compressor Company · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 44218

Government record, cited

NSN 4820-01-171-6447 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-171-6447. Manufacturer of record part number: 910000.

Also searched as 4820-01-171-6447 · 4820011716447 · NIIN 011716447 · 01-171-6447 · FSC 4820 Valves, Nonpowered · CAGE 44218 · 910000

Nearby stock numbers ← 4820-01-171-6435 Valve, Ball · 4820-01-171-6471 Stem, Fluid Valve →

4820-01-171-6447 — Valves, Nonpowered

Features

Seat,valve — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Norwalk Compreseer Company Inc Dba Norwalk Compressor Company

Identification

NSN: 4820-01-171-6447
NIIN: 011716447
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 910000
Manufacturer: Norwalk Compreseer Company Inc Dba Norwalk Compressor Company

General Description

The Seat,valve, cataloged under National Stock Number 4820-01-171-6447, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Norwalk Compreseer Company Inc Dba Norwalk Compressor Company. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 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	Norwalk Compreseer Company Inc Dba Norwalk Compressor Company (CAGE 44218)

Technical Specifications

Parameter	Value
NSN	4820-01-171-6447
Primary Part Number	910000
Item Name	Seat,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Norwalk Compreseer Company Inc Dba Norwalk Compressor Company
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.

5210-01-510-9307910,000 POSSIBLE MATCH

VIAL,LEVEL

Possible match (shared part number)International Met Systems Inc Dba Intermet Systems

Cross-Reference Index

Part Number	Manufacturer
910000 PRIMARY	Norwalk Compreseer Company Inc Dba Norwalk Compressor Company (USA)

Related Parts

5210-01-510-9307POSSIBLE MATCH

VIAL,LEVEL

910,000

Frequently Asked Questions

What is NSN 4820-01-171-6447?

NSN 4820-01-171-6447 is a Seat,valve, manufactured by Norwalk Compreseer Company Inc Dba Norwalk Compressor Company, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-171-6447?

NSN 4820-01-171-6447 has 1 manufacturer part number on file: 910000 (Norwalk Compreseer Company Inc Dba Norwalk Compressor Company).

What NSN replaces 4820-01-171-6447?

1 possible match (shared part number, not a government interchangeability claim): 5210-01-510-9307. Verify interchangeability with system specifications before substitution.

Is NSN 4820-01-171-6447 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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