PartsTable TECHNICAL DATA SHEET

NSN 4820-01-287-7859Government record, cited

Stem, Fluid Valve4820-01-287-7859

NSN 4820-01-287-7859 · NIIN 012877859

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-287-7859 · 4820012877859 · NIIN 012877859 · 01-287-7859 · FSC 4820 Valves, Nonpowered · 845-4788696 · 845-4788696 ITEM 4

Nearby stock numbers ← 4820-01-287-7833 Parts Kit, Pressure Regulating VA · 4820-01-287-7860 Stem, Fluid Valve →

4820-01-287-7859 — Valves, Nonpowered

Features

Stem,fluid Valve — FSC 4820
Material: STEEL CORROSION RESISTING

Identification

NSN: 4820-01-287-7859
NIIN: 012877859
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-287-7859, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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	4820-01-287-7859
Item Name	Stem,fluid Valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Material	STEEL CORROSION RESISTING

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 3

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

4820-01-287-7893845-4788696 ITEM 5 POSSIBLE MATCH

SLIDE,DIRECTIONAL CONTROL LINEAR

Possible match (shared part number)Naval Ship Systems Command

4820-01-287-7894845-4788696 ASS C POSSIBLE MATCH

VALVE,LINEAR,DIRECTIONAL CONTROL

Possible match (shared part number)Naval Ship Systems Command

4820-01-385-5819845-4788696-13 POSSIBLE MATCH

VALVE,ROTARY,SELECTOR

Possible match (shared part number)Naval Ship Systems Command

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
845-4788696	D/9 Drawing number reference only U.S. Government activity
845-4788696 ITEM 4	3/2 Design control — primary reference U.S. Government activity

Related Parts

4820-01-287-7893POSSIBLE MATCH

SLIDE,DIRECTIONAL CONTROL LINEAR

845-4788696 ITEM 5

4820-01-287-7894POSSIBLE MATCH

VALVE,LINEAR,DIRECTIONAL CONTROL

845-4788696 ASS C

4820-01-385-5819POSSIBLE MATCH

VALVE,ROTARY,SELECTOR

845-4788696-13

Frequently Asked Questions

What is NSN 4820-01-287-7859?

NSN 4820-01-287-7859 is a Stem,fluid Valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-01-287-7859?

3 possible matches (shared part number, not a government interchangeability claim): 4820-01-287-7893, 4820-01-287-7894, 4820-01-385-5819. Verify interchangeability with system specifications before substitution.

What are the specifications of 4820-01-287-7859?

Key specifications for 4820-01-287-7859: Material: STEEL CORROSION RESISTING. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-287-7859 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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