PartsTable TECHNICAL DATA SHEET

NSN 4820-01-481-9209Government record, cited

Valve, Ball4820-01-481-9209

NSN 4820-01-481-9209 · NIIN 014819209

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-481-9209 · 4820014819209 · NIIN 014819209 · 01-481-9209 · FSC 4820 Valves, Nonpowered · 845-4558739 ASSY A A-B · 845-4558739 · 2642-785-01 ASSY A A-B

Nearby stock numbers ← 4820-01-481-9196 Valve, Ball · 4820-01-481-9528 Disk, Valve →

4820-01-481-9209 — Valves, Nonpowered

Features

Valve,ball — FSC 4820
Style Designator: STRAIGHT THRU
Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Valve Size: 0.250 INCHES IN
Valve Operation Method: AUTOMATIC OR MANUAL

Identification

NSN: 4820-01-481-9209
NIIN: 014819209
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Valve,ball, cataloged under National Stock Number 4820-01-481-9209, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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.

Technical Specifications

Parameter	Value
NSN	4820-01-481-9209
Item Name	Valve,ball
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Style Designator	STRAIGHT THRU
Operating Pressure	3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Valve Size	0.250 INCHES IN
Valve Operation Method	AUTOMATIC OR MANUAL

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 4

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

4820-01-495-1852845-4558738 ASSY.G,A-B POSSIBLE MATCH

VALVE,BALL

Possible match (shared part number)Naval Ship Systems Command

4820-01-495-1860845-4558738 ASSY.C,A-B POSSIBLE MATCH

VALVE,BALL

Possible match (shared part number)Naval Ship Systems Command

4820-01-495-1867845-4558738 ASSY.C,A-C POSSIBLE MATCH

VALVE,BALL

Possible match (shared part number)Naval Ship Systems Command

4820-01-495-1873845-4558742 ASSY.A,A-C POSSIBLE MATCH

VALVE,BALL

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
845-4558739 ASSY A A-B	3/2 Design control — primary reference U.S. Government activity
845-4558739	D/9 Drawing number reference only U.S. Government activity
2642-785-01 ASSY A A-B	5/2 Secondary reference U.S. Government activity

Related Parts

4820-01-495-1852POSSIBLE MATCH

VALVE,BALL

845-4558738 ASSY.G,A-B

4820-01-495-1860POSSIBLE MATCH

VALVE,BALL

845-4558738 ASSY.C,A-B

4820-01-495-1867POSSIBLE MATCH

VALVE,BALL

845-4558738 ASSY.C,A-C

4820-01-495-1873POSSIBLE MATCH

VALVE,BALL

845-4558742 ASSY.A,A-C

Frequently Asked Questions

What is NSN 4820-01-481-9209?

NSN 4820-01-481-9209 is a Valve,ball, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-01-481-9209?

4 possible matches (shared part number, not a government interchangeability claim): 4820-01-495-1852, 4820-01-495-1860, 4820-01-495-1867. Verify interchangeability with system specifications before substitution.

What are the specifications of 4820-01-481-9209?

Key specifications for 4820-01-481-9209: Style Designator: STRAIGHT THRU; Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Valve Size: 0.250 INCHES IN; Valve Operation Method: AUTOMATIC OR MANUAL. 4 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-481-9209 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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