Valve, Vacuum Breaking4820-01-416-1666

NSN 4820-01-416-1666 · NIIN 014161666

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-416-1666 · 4820014161666 · NIIN 014161666 · 01-416-1666 · FSC 4820 Valves, Nonpowered

Nearby stock numbers ← 4820-01-416-1662 Stem, Fluid Valve · 4820-01-416-1668 Stem, Fluid Valve →

4820-01-416-1666 — Valves, Nonpowered

Features

Valve,vacuum Breaking — FSC 4820
Flow Control Device: BALL
First End Thread Series Designator: NPT
First End Thread Direction: RIGHT-HAND
Temp Rating: 200.0 FAHRENHEIT DEGF
Second End Relationship with First End: IDENTICAL
First End Style Designator: PLAIN
End Connection Quantity: 2

Identification

NSN: 4820-01-416-1666
NIIN: 014161666
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Valve,vacuum Breaking, cataloged under National Stock Number 4820-01-416-1666, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-416-1666
Item Name	Valve,vacuum Breaking
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Flow Control Device	BALL
First End Thread Series Designator	NPT
First End Thread Direction	RIGHT-HAND
Temp Rating	200.0 FAHRENHEIT DEGF
Second End Relationship with First End	IDENTICAL
First End Style Designator	PLAIN
End Connection Quantity	2
First End Connection Type	THREADED INTERNAL PIPE
Temp Adjustability	NOT ADJUSTABLE
First End Nominal Pipe Size Accommodated	0.750 INCHES IN
Material	COPPER ALLOY BODY
Material	PLASTIC POLYPROPYLENE FLOW CONTROL DEVICE
Media for Which Designed	WATER, FRESH
First End Nominal Thread Size	0.750 INCHES IN

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

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
HS-44V	3/2 Design control — primary reference U.S. Government activity

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 4820-01-416-1666?

NSN 4820-01-416-1666 is a Valve,vacuum Breaking, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-416-1666?

Key specifications for 4820-01-416-1666: Flow Control Device: BALL; First End Thread Series Designator: NPT; First End Thread Direction: RIGHT-HAND; Temp Rating: 200.0 FAHRENHEIT DEGF. 14 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-416-1666 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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