Valve, Ball4820-01-589-9784

NSN 4820-01-589-9784 · NIIN 015899784 · Part number 7943-G501

Howell Laboratories Inc Dba Howell Laboratories Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 22501

Government record, cited

NSN 4820-01-589-9784 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-589-9784. Manufacturer of record part number: 7943-G501.

Also searched as 4820-01-589-9784 · 4820015899784 · NIIN 015899784 · 01-589-9784 · FSC 4820 Valves, Nonpowered · CAGE 22501 · 7943-G501 · 7778 ITEM 16

Nearby stock numbers ← 4820-01-589-9726 Valve, Ball · 4820-01-589-9794 Valve, Safety Relief →

4820-01-589-9784 — Valves, Nonpowered

Features

Valve,ball — FSC 4820
Material: PLASTIC BODY
2 manufacturer part numbers on file
Manufacturer of record: Howell Laboratories Inc Dba Howell Laboratories Inc

Identification

NSN: 4820-01-589-9784
NIIN: 015899784
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 7943-G501
Manufacturer: Howell Laboratories Inc Dba Howell Laboratories Inc

General Description

The Valve,ball, cataloged under National Stock Number 4820-01-589-9784, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Howell Laboratories Inc Dba Howell Laboratories Inc. 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	4820-01-589-9784
Primary Part Number	7943-G501
Item Name	Valve,ball
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Howell Laboratories Inc Dba Howell Laboratories Inc
Status	ACTIVE
Material	PLASTIC BODY

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
7943-G501 PRIMARY	Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
7778 ITEM 16	Howell Laboratories Inc Dba Howell Laboratories 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 4820-01-589-9784?

NSN 4820-01-589-9784 is a Valve,ball, manufactured by Howell Laboratories Inc Dba Howell Laboratories Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-589-9784?

NSN 4820-01-589-9784 has 2 manufacturer part numbers on file: 7943-G501 (Howell Laboratories Inc Dba Howell Laboratories Inc), 7778 ITEM 16 (Howell Laboratories Inc Dba Howell Laboratories Inc).

What are the specifications of 7943-G501?

Key specifications for 7943-G501: Special Features: 3/8 INCH HOSE BARB NEXT HIGHER ASSEMBLY 7772D TYPE ACTUATED BALL VALVE; MATERIAL: PLASTIC VINYL BODY IN; Part Name Assigned by Controlling Agency: SECOND RO VALVE; Material: PLASTIC BODY. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-589-9784 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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