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NSN 4820-01-666-0802Government record, cited

Valve, Check4820-01-666-0802

NSN 4820-01-666-0802 · NIIN 016660802 · Part number 62-104-01

Aalberts Integrated Piping Systems Americas, Inc. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 72219

Government record, cited

NSN 4820-01-666-0802 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-666-0802. Manufacturer of record part number: 62-104-01.

Also searched as 4820-01-666-0802 · 4820016660802 · NIIN 016660802 · 01-666-0802 · FSC 4820 Valves, Nonpowered · CAGE 72219 · 62-104-01

Nearby stock numbers ← 4820-01-666-0770 Stem, Fluid Valve · 4820-01-666-0811 Valve, Check →

4820-01-666-0802 — Valves, Nonpowered

Features

Valve,check — FSC 4820
Flow Control Device: BALL
Connection Type: THREADED INTERNAL PIPE ALL ENDS
Style Designator: STRAIGHT THRU
Valve Size: 0.750 INCHES IN
Nominal Thread Size: 0.250 INCHES SECOND END IN
Nominal Thread Size: 0.750 INCHES FIRST END IN
Maximum Operating Temp: 350.0 FAHRENHEIT SINGLE RESPONSE DEGF

Identification

NSN: 4820-01-666-0802
NIIN: 016660802
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 62-104-01
Manufacturer: Aalberts Integrated Piping Systems Americas, Inc.

General Description

The Valve,check, cataloged under National Stock Number 4820-01-666-0802, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Aalberts Integrated Piping Systems Americas, Inc.. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-666-0802
Primary Part Number	62-104-01
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Aalberts Integrated Piping Systems Americas, Inc.
Status	ACTIVE
Flow Control Device	BALL
Connection Type	THREADED INTERNAL PIPE ALL ENDS
Style Designator	STRAIGHT THRU
Valve Size	0.750 INCHES IN
Nominal Thread Size	0.250 INCHES SECOND END IN
Nominal Thread Size	0.750 INCHES FIRST END IN
Maximum Operating Temp	350.0 FAHRENHEIT SINGLE RESPONSE DEGF
Material	STEEL CORROSION RESISTING BODY
Thread Series Designator	NPTF ALL ENDS
Valve Operation Method	AUTOMATIC

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
62-104-01 PRIMARY	Aalberts Integrated Piping Systems Americas, 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 4820-01-666-0802?

NSN 4820-01-666-0802 is a Valve,check, manufactured by Aalberts Integrated Piping Systems Americas, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-666-0802?

NSN 4820-01-666-0802 has 1 manufacturer part number on file: 62-104-01 (Aalberts Integrated Piping Systems Americas, Inc.).

What are the specifications of 62-104-01?

Key specifications for 62-104-01: Flow Control Device: BALL; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Style Designator: STRAIGHT THRU; Valve Size: 0.750 INCHES IN. 10 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-666-0802 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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