Valve, Ball4820-01-667-6689

NSN 4820-01-667-6689 · NIIN 016676689 · Part number MV-50-42-3/MTT

Richards Industries Value Group Marwin Ball Value Div · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 8T690

Government record, cited

NSN 4820-01-667-6689 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-667-6689. Manufacturer of record part number: MV-50-42-3/MTT.

Also searched as 4820-01-667-6689 · 4820016676689 · NIIN 016676689 · 01-667-6689 · FSC 4820 Valves, Nonpowered · CAGE 8T690 · MV-50-42-3/MTT

Nearby stock numbers ← 4820-01-667-6681 Repair Kit, Valve · 4820-01-667-6723 Lock Device, Valve →

4820-01-667-6689 — Valves, Nonpowered

Features

Valve,ball — FSC 4820
2 manufacturer part numbers on file
Manufacturer of record: Richards Industries Value Group Marwin Ball Value Div

Identification

NSN: 4820-01-667-6689
NIIN: 016676689
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: MV-50-42-3/MTT
Manufacturer: Richards Industries Value Group Marwin Ball Value Div

General Description

The Valve,ball, cataloged under National Stock Number 4820-01-667-6689, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Richards Industries Value Group Marwin Ball Value Div. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Valve,ball
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	F.s. Welsford Company (CAGE 0NB72); Richards Industries Value Group Marwin Ball Value Div (CAGE 8T690)

Technical Specifications

Parameter	Value
NSN	4820-01-667-6689
Primary Part Number	MV-50-42-3/MTT
Item Name	Valve,ball
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Richards Industries Value Group Marwin Ball Value Div
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
MV-50-42-3/MTT	F.s. Welsford Company (USA)
MV-50-42-3/MTT PRIMARY	Richards Industries Value Group Marwin Ball Value Div (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 4820-01-667-6689?

NSN 4820-01-667-6689 is a Valve,ball, manufactured by Richards Industries Value Group Marwin Ball Value Div, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-667-6689?

NSN 4820-01-667-6689 has 2 manufacturer part numbers on file: MV-50-42-3/MTT (F.s. Welsford Company), MV-50-42-3/MTT (Richards Industries Value Group Marwin Ball Value Div).

Is NSN 4820-01-667-6689 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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