Valve, Regulating, Fluid Pressure4820-01-390-3628

NSN 4820-01-390-3628 · NIIN 013903628 · Part number 331416-26

Lexair Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 56607

Government record, cited

NSN 4820-01-390-3628 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-390-3628. Manufacturer of record part number: 331416-26.

Also searched as 4820-01-390-3628 · 4820013903628 · NIIN 013903628 · 01-390-3628 · FSC 4820 Valves, Nonpowered · CAGE 56607 · 331416-26

Nearby stock numbers ← 4820-01-390-3627 Stem, Fluid Valve · 4820-01-390-3629 Retainer, Disk, Valve →

4820-01-390-3628 — Valves, Nonpowered

Features

Valve,regulating,fluid Pressure — FSC 4820
Flow Control Device: DISK
First End Thread Direction: RIGHT-HAND
Second End Relationship with First End: IDENTICAL
Body Style: STRAIGHT THRU
First End Style Designator: PLAIN
End Connection Quantity: 2
Valve Loading Method: SPRING

Identification

NSN: 4820-01-390-3628
NIIN: 013903628
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 331416-26
Manufacturer: Lexair Inc

General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-390-3628, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Lexair Inc. Government technical data includes 13 specifications, 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	4820-01-390-3628
Primary Part Number	331416-26
Item Name	Valve,regulating,fluid Pressure
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Lexair Inc
Status	ACTIVE
Flow Control Device	DISK
First End Thread Direction	RIGHT-HAND
Second End Relationship with First End	IDENTICAL
Body Style	STRAIGHT THRU
First End Style Designator	PLAIN
End Connection Quantity	2
Valve Loading Method	SPRING
First End Connection Type	THREADED INTERNAL PIPE
Material	COPPER ALLOY BODY
Material	COPPER ALLOY FLOW CONTROL DEVICE
Material	RUBBER PACKING
Thread Size and Series/type Designator	1-11-1/2 NPTF FIRST END
Filter	NOT INCLUDED

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
331416-26 PRIMARY	Lexair Inc (USA)
331416-26	Hydraulic Controls Inc of Los Angeles (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 4820-01-390-3628?

NSN 4820-01-390-3628 is a Valve,regulating,fluid Pressure, manufactured by Lexair Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-390-3628?

NSN 4820-01-390-3628 has 2 manufacturer part numbers on file: 331416-26 (Lexair Inc), 331416-26 (Hydraulic Controls Inc of Los Angeles).

What are the specifications of 331416-26?

Key specifications for 331416-26: Flow Control Device: DISK; First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: IDENTICAL; Body Style: STRAIGHT THRU. 13 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-390-3628 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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