PartsTable TECHNICAL DATA SHEET

NSN 4820-01-291-7167Government record, cited

Valve, Linear, Directional Control4820-01-291-7167

NSN 4820-01-291-7167 · NIIN 012917167 · Part number YMD4939

Appleton Marine Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 70433

Government record, cited

NSN 4820-01-291-7167 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-291-7167. Manufacturer of record part number: YMD4939.

Also searched as 4820-01-291-7167 · 4820012917167 · NIIN 012917167 · 01-291-7167 · FSC 4820 Valves, Nonpowered · CAGE 70433 · YMD4939 · 600486-4

Nearby stock numbers ← 4820-01-291-6675 · 4820-01-291-7797 Valve, Regulating, Fluid Pressure →

4820-01-291-7167 — Valves, Nonpowered

Features

Valve,linear,directional Control — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Appleton Marine Inc

Identification

NSN: 4820-01-291-7167
NIIN: 012917167
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: YMD4939
Manufacturer: Appleton Marine Inc

General Description

The Valve,linear,directional Control, cataloged under National Stock Number 4820-01-291-7167, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Appleton Marine Inc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-291-7167
Primary Part Number	YMD4939
Item Name	Valve,linear,directional Control
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Appleton Marine Inc
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

Cross-Reference Index

Part Number	Manufacturer
YMD4939 PRIMARY	Appleton Marine Inc (USA)

Reference documents

Reference	Meaning
600486-4	5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division

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 4820-01-291-7167?

NSN 4820-01-291-7167 is a Valve,linear,directional Control, manufactured by Appleton Marine Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-291-7167?

NSN 4820-01-291-7167 has 1 manufacturer part number on file: YMD4939 (Appleton Marine Inc).

What are the specifications of YMD4939?

Key specifications for YMD4939: Special Features: VALVE BODY STEEL; 4 WAY DIRECTIONAL CONTROL VALVE WITH MANUAL OVERIDE; SUBPLATE MOUNTED; PRESSURE RATING 3000 PSI; TEMPERATURE RATING MINUS 40 DEGREES FAH. TO PLUS 180 DEGREES FAH; End Item Identification: USED ON MARINE CRANE P/N SEB1.8-18-18 ONBOARD 110 FT WPB COAST GUARD VESSELS FT. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-291-7167 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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