Stem, Fluid Valve4820-01-407-3581

NSN 4820-01-407-3581 · NIIN 014073581 · Part number 26266

Allied Systems Company Dba Allied Systems Co · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 60848

Government record, cited

NSN 4820-01-407-3581 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-407-3581. Manufacturer of record part number: 26266.

Also searched as 4820-01-407-3581 · 4820014073581 · NIIN 014073581 · 01-407-3581 · FSC 4820 Valves, Nonpowered · CAGE 60848 · 26266

Nearby stock numbers ← 4820-01-407-3570 Sleeve, Directional Control Linea · 4820-01-407-3587 Valve, Regulating, Fluid Pressure →

4820-01-407-3581 — Valves, Nonpowered

Features

Stem,fluid Valve — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Allied Systems Company Dba Allied Systems Co

Identification

NSN: 4820-01-407-3581
NIIN: 014073581
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 26266
Manufacturer: Allied Systems Company Dba Allied Systems Co

General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-407-3581, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Allied Systems Company Dba Allied Systems Co. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-407-3581
Primary Part Number	26266
Item Name	Stem,fluid Valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Allied Systems Company Dba Allied Systems Co
Status	ACTIVE

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

⇄ Related Items 2

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

6240-01-444-661426266 POSSIBLE MATCH

LAMP,INCANDESCENT

Possible match (shared part number)Bulbtronics Inc

4720-01-622-430526266 POSSIBLE MATCH

HOSE ASSEMBLY,NONMETALLIC

Possible match (shared part number)Multiquip Inc. Dba Multiquip Inc

Cross-Reference Index

Part Number	Manufacturer
26266 PRIMARY	Allied Systems Company Dba Allied Systems Co (USA)

Related Parts

6240-01-444-6614POSSIBLE MATCH

LAMP,INCANDESCENT

26266

4720-01-622-4305POSSIBLE MATCH

HOSE ASSEMBLY,NONMETALLIC

26266

Frequently Asked Questions

What is NSN 4820-01-407-3581?

NSN 4820-01-407-3581 is a Stem,fluid Valve, manufactured by Allied Systems Company Dba Allied Systems Co, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-407-3581?

NSN 4820-01-407-3581 has 1 manufacturer part number on file: 26266 (Allied Systems Company Dba Allied Systems Co).

What NSN replaces 4820-01-407-3581?

2 possible matches (shared part number, not a government interchangeability claim): 6240-01-444-6614, 4720-01-622-4305. Verify interchangeability with system specifications before substitution.

What are the specifications of 26266?

Key specifications for 26266: End Item Identification: ALLIED SYSTEMS CO SWING JUNCTION BLOCK MODEL NO. 25901. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-407-3581 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.

PartsTable Design LLC · partstable.com