Cock, Drain4820-01-680-3686

NSN 4820-01-680-3686 · NIIN 016803686 · Part number 406-42-01-02-00-00-01

Highland Engineering, Inc. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 0AK83

Government record, cited

NSN 4820-01-680-3686 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-680-3686. Manufacturer of record part number: 406-42-01-02-00-00-01.

Also searched as 4820-01-680-3686 · 4820016803686 · NIIN 016803686 · 01-680-3686 · FSC 4820 Valves, Nonpowered · CAGE 0AK83 · 406-42-01-02-00-00-01

Nearby stock numbers ← 4820-01-680-3577 Valve, Safety Relief · 4820-01-680-3701 Valve, Ball →

4820-01-680-3686 — Valves, Nonpowered

Features

Cock,drain — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Highland Engineering, Inc.

Identification

NSN: 4820-01-680-3686
NIIN: 016803686
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 406-42-01-02-00-00-01
Manufacturer: Highland Engineering, Inc.

General Description

The Cock,drain, cataloged under National Stock Number 4820-01-680-3686, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Highland Engineering, 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	Cock,drain
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Highland Engineering, Inc. (CAGE 0AK83)

Technical Specifications

Parameter	Value
NSN	4820-01-680-3686
Primary Part Number	406-42-01-02-00-00-01
Item Name	Cock,drain
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Highland Engineering, 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
406-42-01-02-00-00-01 PRIMARY	Highland Engineering, 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 4820-01-680-3686?

NSN 4820-01-680-3686 is a Cock,drain, manufactured by Highland Engineering, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-680-3686?

NSN 4820-01-680-3686 has 1 manufacturer part number on file: 406-42-01-02-00-00-01 (Highland Engineering, Inc.).

Is NSN 4820-01-680-3686 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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