Valve, Regulating, Fluid Pressure4820-01-665-5183

NSN 4820-01-665-5183 · NIIN 016655183 · Part number 40397-912

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 55378

Government record, cited

NSN 4820-01-665-5183 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-665-5183. Manufacturer of record part number: 40397-912.

Also searched as 4820-01-665-5183 · 4820016655183 · NIIN 016655183 · 01-665-5183 · FSC 4820 Valves, Nonpowered · CAGE 55378 · 40397-912 · 40397-9 ASSY 40397-912 · 40397-9

Nearby stock numbers ← 4820-01-665-5128 Valve, Safety Relief · 4820-01-665-5263 Valve, Linear, Directional Control →

4820-01-665-5183 — Valves, Nonpowered

Features

Valve,regulating,fluid Pressure — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Trac Regulator Co., Inc. Dba Trac Regulator Co Inc

Identification

NSN: 4820-01-665-5183
NIIN: 016655183
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 40397-912
Manufacturer: Trac Regulator Co., Inc. Dba Trac Regulator Co Inc

General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-665-5183, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Trac Regulator Co., Inc. Dba Trac Regulator Co Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Valve,regulating,fluid Pressure
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (CAGE 55378)

Technical Specifications

Parameter	Value
NSN	4820-01-665-5183
Primary Part Number	40397-912
Item Name	Valve,regulating,fluid Pressure
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Trac Regulator Co., Inc. Dba Trac Regulator Co 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
40397-912 PRIMARY	Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)

Reference documents

Reference	Meaning
40397-9 ASSY 40397-912	C/1 Advisory reference — outside the item-of-supply concept Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
40397-9	D/9 Drawing number reference only Trac Regulator Co., Inc. Dba Trac Regulator Co Inc

Frequently Asked Questions

What is NSN 4820-01-665-5183?

NSN 4820-01-665-5183 is a Valve,regulating,fluid Pressure, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-665-5183?

NSN 4820-01-665-5183 has 1 manufacturer part number on file: 40397-912 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

Is NSN 4820-01-665-5183 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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