Valve, Regulating, System Pressure4820-01-388-9463

NSN 4820-01-388-9463 · NIIN 013889463 · Part number CRO-6

So-Low Environmental Equipment, Co · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 23252

Government record, cited

NSN 4820-01-388-9463 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-388-9463. Manufacturer of record part number: CRO-6.

Also searched as 4820-01-388-9463 · 4820013889463 · NIIN 013889463 · 01-388-9463 · FSC 4820 Valves, Nonpowered · CAGE 23252 · CRO-6

Nearby stock numbers ← 4820-01-388-9451 Valve, Ball · 4820-01-388-9609 Parts Kit, Valve →

4820-01-388-9463 — Valves, Nonpowered

Features

Valve,regulating,system Pressure — FSC 4820
1 manufacturer part number on file
Manufacturer of record: So-Low Environmental Equipment, Co

Identification

NSN: 4820-01-388-9463
NIIN: 013889463
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: CRO-6
Manufacturer: So-Low Environmental Equipment, Co

General Description

The Valve,regulating,system Pressure, cataloged under National Stock Number 4820-01-388-9463, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is So-Low Environmental Equipment, Co. 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	4820-01-388-9463
Primary Part Number	CRO-6
Item Name	Valve,regulating,system Pressure
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	So-Low Environmental Equipment, Co
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
CRO-6 PRIMARY	So-Low Environmental Equipment, Co (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 4820-01-388-9463?

NSN 4820-01-388-9463 is a Valve,regulating,system Pressure, manufactured by So-Low Environmental Equipment, Co, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-388-9463?

NSN 4820-01-388-9463 has 1 manufacturer part number on file: CRO-6 (So-Low Environmental Equipment, Co).

What are the specifications of CRO-6?

Key specifications for CRO-6: End Item Identification: FREEZER; P/N SE22-40 ONBOARD WAGB 400 FT COAST GUARD VESSELS FT. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-388-9463 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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