PartsTable TECHNICAL DATA SHEET

JULY 2026Technical Data Sheet

173-00Stem,fluid Valve

Name: 173-00
SKU: 4820-01-123-1653

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-123-1653 · FSC 4820 · No Item Name Available

Verified by PartsTable

NSN 4820-01-123-1653 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-123-1653. Primary manufacturer part number: 173-00.

4820-01-123-1653 — No Item Name Available illustration

Features

Stem,fluid Valve — FSC 4820
5 verified cross-references
Primary manufacturer: Trac Regulator Co., Inc. Dba Trac Regulator Co Inc

Applications

Flow control in piping systems
Pressure regulation
Steam and fluid isolation

General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-123-1653, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Trac Regulator Co., Inc. Dba Trac Regulator Co Inc. This item has 5 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts

Item Name	Stem,fluid Valve
FSC / FSG	4820 — No Item Name Available (FSG 48)
Manufacturers	Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (CAGE 55378)

Technical Specifications

Parameter	Value
NSN	4820-01-123-1653
Primary Part Number	173-00
Item Name	Stem,fluid Valve
FSC / FSG	4820 / 48 — No Item Name Available
Manufacturer	Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Status	CANCELLED

Lifecycle & Compliance

Acquisition Status	CANCELLED
HAZMAT	No

⇄ Verified Substitutes 12

5930-00-050-9525MEG88026 INTERCHANGEABLE

Switch,thermostatic

Carrier Corp

5330-00-391-839017300 INTERCHANGEABLE

Gasket

Ashcroft Inc Dba Heise

3030-00-730-9123 INTERCHANGEABLE

Belt,v

5930-00-755-620417300-0 INTERCHANGEABLE

Switch,thermostatic

Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems

6210-00-868-2100 INTERCHANGEABLE

Light,panel

2805-00-872-50292448735 INTERCHANGEABLE

Ring Set,piston

Chrysler Realty Company Llc Dba Daimler Chrysler

1680-00-948-6568892868 INTERCHANGEABLE

Fire Extinguishing

Kidde-Fenwal, Llc

1680-00-956-989117300 INTERCHANGEABLE

Fire Extinguishing

Meggitt Safety Systems Inc

5310-01-106-0341154-00 INTERCHANGEABLE

Nut,stuffing Box

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc

5315-01-106-0342152-00 INTERCHANGEABLE

Pin,spiral,valve

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc

Cross-Reference Index

Part Number	Manufacturer
40473 PIECE 7	Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40175-01	Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
173	Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40175-01 FIND NO 32	Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
173-00 PRIMARY	Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)

Related Parts

5930-00-050-9525INTERCHANGEABLE

SWITCH,THERMOSTATIC

MEG88026

5330-00-391-8390INTERCHANGEABLE

GASKET

17300

3030-00-730-9123INTERCHANGEABLE

BELT,V

5930-00-755-6204INTERCHANGEABLE

SWITCH,THERMOSTATIC

17300-0

6210-00-868-2100INTERCHANGEABLE

LIGHT,PANEL

2805-00-872-5029INTERCHANGEABLE

RING SET,PISTON

2448735

1680-00-948-6568INTERCHANGEABLE

FIRE EXTINGUISHING

892868

1680-00-956-9891INTERCHANGEABLE

FIRE EXTINGUISHING

17300

5310-01-106-0341INTERCHANGEABLE

NUT,STUFFING BOX

154-00

5315-01-106-0342INTERCHANGEABLE

PIN,SPIRAL,VALVE

152-00

4820-01-106-0823INTERCHANGEABLE

GUIDE,PISTON

161

4820-01-106-8319INTERCHANGEABLE

STEM,FLUID VALVE

151-00

Frequently Asked Questions

What is NSN 4820-01-123-1653?

NSN 4820-01-123-1653 is a Stem,fluid Valve, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-123-1653?

NSN 4820-01-123-1653 has 5 cross-referenced part numbers: 40473 PIECE 7 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40175-01 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 173 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40175-01 FIND NO 32 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 173-00 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-123-1653?

There are 12 known substitutes for 4820-01-123-1653: 5930-00-050-9525, 5330-00-391-8390, 3030-00-730-9123 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 4820-01-123-1653 still in active supply?

NSN 4820-01-123-1653 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.

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