PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

444-00Piston,linear Actuating Cylinder

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 3040-01-199-6718 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-199-6718 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-199-6718. Primary manufacturer part number: 444-00.
Features
  • Piston,linear Actuating Cylinder — FSC 3040
  • Outside Diameter: 2.938 INCHES NOMINAL IN
  • Material: COPPER ALLOY
  • 4 verified cross-references
  • Primary manufacturer: Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Applications
  • Applications requiring Copper Alloy construction
General Description

The Piston,linear Actuating Cylinder, cataloged under National Stock Number 3040-01-199-6718, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Trac Regulator Co., Inc. Dba Trac Regulator Co Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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: Active.

Technical Specifications
ParameterValue
NSN3040-01-199-6718
Primary Part Number444-00
Item NamePiston,linear Actuating Cylinder
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
Outside Diameter2.938 INCHES NOMINAL IN
MaterialCOPPER ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-296-289840273 INTERCHANGEABLE
Seal
Parker-Hannifin Corporation Div Engineered Polymer Systems Division (eps)
5940-00-913-80671151-16-0519 INTERCHANGEABLE
Terminal,stud
Concord Electronics, Inc.
5120-00-957-379821019 INTERCHANGEABLE
Syringe,solder Removal
Allen Tool and Mfg
4820-01-065-1769250040-068 INTERCHANGEABLE
Parts Kit,valve
Sullair Corp
2925-01-074-910244400-4 INTERCHANGEABLE
Stator,engine Generator
Unison Industries Llc
4820-01-114-7143 INTERCHANGEABLE
Bellows Assembly,valve
4820-01-114-7144 INTERCHANGEABLE
Cap,valve
6320-01-140-702540-273 INTERCHANGEABLE
Panel,indicating and Control
L3 Technologies, Inc.
4820-01-199-656840273-001 INTERCHANGEABLE
Valve,regulating,temperature
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
3040-01-199-665040273 PIECE 35 INTERCHANGEABLE
Guide,piston,liner
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
40273 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
444 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
444-00 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40273 PIECE 34 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
5330-00-296-2898INTERCHANGEABLE
SEAL
40273
5940-00-913-8067INTERCHANGEABLE
TERMINAL,STUD
1151-16-0519
5120-00-957-3798INTERCHANGEABLE
SYRINGE,SOLDER REMOVAL
21019
4820-01-065-1769INTERCHANGEABLE
PARTS KIT,VALVE
250040-068
2925-01-074-9102INTERCHANGEABLE
STATOR,ENGINE GENERATOR
44400-4
4820-01-114-7143INTERCHANGEABLE
BELLOWS ASSEMBLY,VALVE
4820-01-114-7144INTERCHANGEABLE
CAP,VALVE
6320-01-140-7025INTERCHANGEABLE
PANEL,INDICATING AND CONTROL
40-273
4820-01-199-6568INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
40273-001
3040-01-199-6650INTERCHANGEABLE
GUIDE,PISTON,LINER
40273 PIECE 35
4820-01-199-7920INTERCHANGEABLE
SEAT,VALVE
447-00
7520-01-422-0314INTERCHANGEABLE
PEN,BALL-POINT
7520-01-422-0314

Frequently Asked Questions

What is NSN 3040-01-199-6718?

NSN 3040-01-199-6718 is a Piston,linear Actuating Cylinder, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-199-6718?

NSN 3040-01-199-6718 has 4 cross-referenced part numbers: 40273 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 444 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 444-00 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40273 PIECE 34 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 3040-01-199-6718?

There are 12 known substitutes for 3040-01-199-6718: 5330-00-296-2898, 5940-00-913-8067, 5120-00-957-3798 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 444-00?

Key specifications for 444-00: Outside Diameter: 2.938 INCHES NOMINAL IN; Overall Length: 3.121 INCHES NOMINAL IN; Material: COPPER ALLOY; Special Features: MATERIAL IS CAST BRONZE. 4 total characteristics are documented in the Federal Logistics Information System.

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