Valve, Float4820-01-344-3159

NSN 4820-01-344-3159 · NIIN 013443159 · Part number RM262

Robert Manufacturing Company Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 77844

Government record, cited

NSN 4820-01-344-3159 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-344-3159. Manufacturer of record part number: RM262.

Also searched as 4820-01-344-3159 · 4820013443159 · NIIN 013443159 · 01-344-3159 · FSC 4820 Valves, Nonpowered · CAGE 77844 · RM262

Nearby stock numbers ← 4820-01-344-3028 Body, Valve · 4820-01-344-3160 Valve, Check →

4820-01-344-3159 — Valves, Nonpowered

Features

Valve,float — FSC 4820
Flow Control Device: BALL
Connection Style: PLAIN (PIPE) FIRST END
Connection Type: THREADED EXTERNAL PIPE FIRST END
Thread Direction: RIGHT-HAND FIRST END
Nominal Thread Size: 0.250 INCHES FIRST END IN
Material: COPPER ALLOY OVERALL
Thread Series Designator: NPSM FIRST END

Identification

NSN: 4820-01-344-3159
NIIN: 013443159
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: RM262
Manufacturer: Robert Manufacturing Company Inc

General Description

The Valve,float, cataloged under National Stock Number 4820-01-344-3159, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Robert Manufacturing Company Inc. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-344-3159
Primary Part Number	RM262
Item Name	Valve,float
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Robert Manufacturing Company Inc
Status	ACTIVE
Flow Control Device	BALL
Connection Style	PLAIN (PIPE) FIRST END
Connection Type	THREADED EXTERNAL PIPE FIRST END
Thread Direction	RIGHT-HAND FIRST END
Nominal Thread Size	0.250 INCHES FIRST END IN
Material	COPPER ALLOY OVERALL
Thread Series Designator	NPSM FIRST END
Valve Operation Method	AUTOMATIC

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
RM262 PRIMARY	Robert Manufacturing Company Inc (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 4820-01-344-3159?

NSN 4820-01-344-3159 is a Valve,float, manufactured by Robert Manufacturing Company Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-344-3159?

NSN 4820-01-344-3159 has 1 manufacturer part number on file: RM262 (Robert Manufacturing Company Inc).

What are the specifications of RM262?

Key specifications for RM262: Flow Control Device: BALL; Connection Style: PLAIN (PIPE) FIRST END; Connection Type: THREADED EXTERNAL PIPE FIRST END; Thread Direction: RIGHT-HAND FIRST END. 8 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-344-3159 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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