PartsTable TECHNICAL DATA SHEET

NSN 4820-01-233-1646Government record, cited

Guide, Valve Stem4820-01-233-1646

NSN 4820-01-233-1646 · NIIN 012331646 · Part number 47408

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 15187

Government record, cited

NSN 4820-01-233-1646 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-233-1646. Manufacturer of record part number: 47408.

Also searched as 4820-01-233-1646 · 4820012331646 · NIIN 012331646 · 01-233-1646 · FSC 4820 Valves, Nonpowered · CAGE 15187 · 47408 · A44254 PIECE 15 · A44254

Nearby stock numbers ← 4820-01-233-1645 Stem, Fluid Valve · 4820-01-233-1678 Valve, Check →

4820-01-233-1646 — Valves, Nonpowered

Features

Guide,valve Stem — FSC 4820
2 manufacturer part numbers on file
Manufacturer of record: Emerson Automation Solutions Final Control Us Lp Div Navy Product Team

Identification

NSN: 4820-01-233-1646
NIIN: 012331646
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 47408
Manufacturer: Emerson Automation Solutions Final Control Us Lp Div Navy Product Team

General Description

The Guide,valve Stem, cataloged under National Stock Number 4820-01-233-1646, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Guide,valve Stem
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (CAGE 15187)

Technical Specifications

Parameter	Value
NSN	4820-01-233-1646
Primary Part Number	47408
Item Name	Guide,valve Stem
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
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 4

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

4820-01-233-8044074996 POSSIBLE MATCH

SEAT,VALVE

Possible match (shared part number)Emerson Automation Solutions Final Control Us Lp Div Navy Product Team

4820-01-233-8061X00635 X040725 X040727 POSSIBLE MATCH

PARTS KIT,SAFETY RELIEF VALVE

Possible match (shared part number)Emerson Automation Solutions Final Control Us Lp Div Navy Product Team

4820-01-233-8078SA22145 POSSIBLE MATCH

STEM,FLUID VALVE

Possible match (shared part number)Emerson Automation Solutions Final Control Us Lp Div Navy Product Team

4820-01-233-8084S22141 POSSIBLE MATCH

RETAINER,DISK,VALVE

Possible match (shared part number)Emerson Automation Solutions Final Control Us Lp Div Navy Product Team

Cross-Reference Index

Part Number	Manufacturer
47408 PRIMARY	Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
A44254 PIECE 15	Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)

Reference documents

Reference	Meaning
A44254	D/9 Drawing number reference only Emerson Automation Solutions Final Control Us Lp Div Navy Product Team

Related Parts

4820-01-233-8044POSSIBLE MATCH

SEAT,VALVE

074996

4820-01-233-8061POSSIBLE MATCH

PARTS KIT,SAFETY RELIEF VALVE

X00635 X040725 X040727

4820-01-233-8078POSSIBLE MATCH

STEM,FLUID VALVE

SA22145

4820-01-233-8084POSSIBLE MATCH

RETAINER,DISK,VALVE

S22141

Frequently Asked Questions

What is NSN 4820-01-233-1646?

NSN 4820-01-233-1646 is a Guide,valve Stem, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-233-1646?

NSN 4820-01-233-1646 has 2 manufacturer part numbers on file: 47408 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), A44254 PIECE 15 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).

What NSN replaces 4820-01-233-1646?

4 possible matches (shared part number, not a government interchangeability claim): 4820-01-233-8044, 4820-01-233-8061, 4820-01-233-8078. Verify interchangeability with system specifications before substitution.

Is NSN 4820-01-233-1646 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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