Stem Assembly, Operator4820-01-384-9259

NSN 4820-01-384-9259 · NIIN 013849259 · Part number GV174-283-1

Automatic Switch Company Dba Asco · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 04845

Government record, cited

NSN 4820-01-384-9259 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-384-9259. Manufacturer of record part number: GV174-283-1.

Also searched as 4820-01-384-9259 · 4820013849259 · NIIN 013849259 · 01-384-9259 · FSC 4820 Valves, Nonpowered · CAGE 04845 · GV174-283-1 · AV174-565 ITEM NO.18

Nearby stock numbers ← 4820-01-384-9100 Valve, Angle · 4820-01-384-9284 Screen, Flame →

4820-01-384-9259 — Valves, Nonpowered

Features

Stem Assembly,operator — FSC 4820
General Characteristics Item Description: PIN,STEM 1; PIN STEM END 1; STEM, MANUAL OPERATOR 1; SEEAL, JAM 1; STEM END MANUAL OPERATOR 1
2 manufacturer part numbers on file
Manufacturer of record: Automatic Switch Company Dba Asco

Identification

NSN: 4820-01-384-9259
NIIN: 013849259
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: GV174-283-1
Manufacturer: Automatic Switch Company Dba Asco

General Description

The Stem Assembly,operator, cataloged under National Stock Number 4820-01-384-9259, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Automatic Switch Company Dba Asco. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-384-9259
Primary Part Number	GV174-283-1
Item Name	Stem Assembly,operator
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Automatic Switch Company Dba Asco
Status	ACTIVE
General Characteristics Item Description	PIN,STEM 1; PIN STEM END 1; STEM, MANUAL OPERATOR 1; SEEAL, JAM 1; STEM END MANUAL OPERATOR 1

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

Cross-Reference Index

Part Number	Manufacturer
AV174-565 ITEM NO.18	Automatic Switch Company Dba Asco (USA)
GV174-283-1 PRIMARY	Automatic Switch Company Dba Asco (USA)

No interchangeability data on file.

Other items in FSC 4820 — Valves, Nonpowered

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4820-00-000-0097

4820-00-000-0097 · Item name not on file

4820-00-001-0010

VALVE,ROTARY,SELECTOR

4820-00-001-0020

4820-00-001-0020 · Item name not on file

4820-00-001-0021

4820-00-001-0021 · Item name not on file

4820-00-001-0032

4820-00-001-0032 · Item name not on file

4820-00-001-0037

VALVE,SAFETY RELIEF

4820-00-001-0042

4820-00-001-0042 · Item name not on file

4820-00-001-1230

4820-00-001-1230 · Item name not on file

Frequently Asked Questions

What is NSN 4820-01-384-9259?

NSN 4820-01-384-9259 is a Stem Assembly,operator, manufactured by Automatic Switch Company Dba Asco, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-384-9259?

NSN 4820-01-384-9259 has 2 manufacturer part numbers on file: AV174-565 ITEM NO.18 (Automatic Switch Company Dba Asco), GV174-283-1 (Automatic Switch Company Dba Asco).

What are the specifications of GV174-283-1?

Key specifications for GV174-283-1: General Characteristics Item Description: PIN,STEM 1; PIN STEM END 1; STEM, MANUAL OPERATOR 1; SEEAL, JAM 1; STEM END MANUAL OPERATOR 1. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-384-9259 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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