Valve, Regulating, Temperature4820-01-512-9546

NSN 4820-01-512-9546 · NIIN 015129546 · Part number 40173-803

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

Government record, cited

NSN 4820-01-512-9546 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-512-9546. Manufacturer of record part number: 40173-803.

Also searched as 4820-01-512-9546 · 4820015129546 · NIIN 015129546 · 01-512-9546 · FSC 4820 Valves, Nonpowered · CAGE 55378 · 40173-803 · 40173-8 ASSEMBLY 40173-803

Nearby stock numbers ← 4820-01-512-9514 Valve, Plug · 4820-01-512-9560 Valve Assembly, Manifold →

4820-01-512-9546 — Valves, Nonpowered

Features

Valve,regulating,temperature — FSC 4820
Temp Rating: 90.0 FAHRENHEIT MINIMUM AND 130.0 FAHRENHEIT MAXIMUM DEGF
Valve Size: 1.250 INCHES IN
Material: COPPER ALLOY BODY
Material: COPPER ALLOY SEAT
2 manufacturer part numbers on file
Manufacturer of record: Trac Regulator Co., Inc. Dba Trac Regulator Co Inc

Identification

NSN: 4820-01-512-9546
NIIN: 015129546
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 40173-803
Manufacturer: Trac Regulator Co., Inc. Dba Trac Regulator Co Inc

General Description

The Valve,regulating,temperature, cataloged under National Stock Number 4820-01-512-9546, 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. Government technical data includes 4 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	4820-01-512-9546
Primary Part Number	40173-803
Item Name	Valve,regulating,temperature
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Status	ACTIVE
Temp Rating	90.0 FAHRENHEIT MINIMUM AND 130.0 FAHRENHEIT MAXIMUM DEGF
Valve Size	1.250 INCHES IN
Material	COPPER ALLOY BODY
Material	COPPER ALLOY SEAT

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
40173-803 PRIMARY	Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40173-8 ASSEMBLY 40173-803	Trac Regulator Co., Inc. Dba Trac Regulator Co 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 4820-01-512-9546?

NSN 4820-01-512-9546 is a Valve,regulating,temperature, 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 4820-01-512-9546?

NSN 4820-01-512-9546 has 2 manufacturer part numbers on file: 40173-803 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40173-8 ASSEMBLY 40173-803 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What are the specifications of 40173-803?

Key specifications for 40173-803: Temp Rating: 90.0 FAHRENHEIT MINIMUM AND 130.0 FAHRENHEIT MAXIMUM DEGF; Valve Size: 1.250 INCHES IN; Special Features: 3-WAY(B),1X12 COPPER TUBE BULB; Material: COPPER ALLOY BODY. 4 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-512-9546 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.

PartsTable Design LLC · partstable.com