Valve, Ball4820-01-668-7103

NSN 4820-01-668-7103 · NIIN 016687103 · Part number C637-2240

Essex Electro Engineers Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 21269

Government record, cited

NSN 4820-01-668-7103 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-668-7103. Manufacturer of record part number: C637-2240.

Also searched as 4820-01-668-7103 · 4820016687103 · NIIN 016687103 · 01-668-7103 · FSC 4820 Valves, Nonpowered · CAGE 21269 · C637-2240

Nearby stock numbers ← 4820-01-668-6976 Cap, Valve · 4820-01-668-7182 Disk, Valve →

4820-01-668-7103 — Valves, Nonpowered

Features

Valve,ball — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Essex Electro Engineers Inc

Identification

NSN: 4820-01-668-7103
NIIN: 016687103
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: C637-2240
Manufacturer: Essex Electro Engineers Inc

General Description

The Valve,ball, cataloged under National Stock Number 4820-01-668-7103, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Essex Electro Engineers Inc. The record lists 1 manufacturer part number 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	Essex Electro Engineers Inc (CAGE 21269)

Technical Specifications

Parameter	Value
NSN	4820-01-668-7103
Primary Part Number	C637-2240
Item Name	Valve,ball
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Essex Electro Engineers 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
C637-2240 PRIMARY	Essex Electro Engineers 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 4820-01-668-7103?

NSN 4820-01-668-7103 is a Valve,ball, manufactured by Essex Electro Engineers Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-668-7103?

NSN 4820-01-668-7103 has 1 manufacturer part number on file: C637-2240 (Essex Electro Engineers Inc).

Is NSN 4820-01-668-7103 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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