PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40611-8 PC NO 26Ring,valve Piston

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-515-7165 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-515-7165 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-515-7165. Primary manufacturer part number: 40611-8 PC NO 26.
Features
  • Ring,valve Piston — FSC 4820
  • Material: IRON
  • Surface Treatment: NICKEL
  • 3 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
  • Applications requiring Iron construction
General Description

The Ring,valve Piston, cataloged under National Stock Number 4820-01-515-7165, 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. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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
NSN4820-01-515-7165
Primary Part Number40611-8 PC NO 26
Item NameRing,valve Piston
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
MaterialIRON
Surface TreatmentNICKEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6125-00-509-5605104400 INTERCHANGEABLE
Motor-Generator
Arnold a Semler Inc
6695-00-922-3319104400 INTERCHANGEABLE
Meter,pointer Verti
Symetrics Industries, Llc Dba Extant Aerospace Div Symetrics Industries Dba Extant Aerospace
5330-01-127-0424104400 INTERCHANGEABLE
Packing,preformed
Huck International, Inc. Div Kingston Operations
5930-01-270-6866104-400 INTERCHANGEABLE
Switch,electrical
L-3 Communications Microdyne
4820-01-515-71401683-01 INTERCHANGEABLE
Disk,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-515-714840611 PC NO 31 INTERCHANGEABLE
Stem,needle Valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-515-716240611-8 PC NO 30 INTERCHANGEABLE
Seat,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-515-717540611-8 PC NO 25 INTERCHANGEABLE
Piston,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-515-718340611-8 PC NO 22 INTERCHANGEABLE
Seat,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-515-719050202-00 INTERCHANGEABLE
Regulator,thermostatic Temperatu
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
1044-00 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40611-8 PC NO 26 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40611-8 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
6125-00-509-5605INTERCHANGEABLE
MOTOR-GENERATOR
104400
6695-00-922-3319INTERCHANGEABLE
METER,POINTER VERTI
104400
5330-01-127-0424INTERCHANGEABLE
PACKING,PREFORMED
104400
5930-01-270-6866INTERCHANGEABLE
SWITCH,ELECTRICAL
104-400
4820-01-515-7140INTERCHANGEABLE
DISK,VALVE
1683-01
4820-01-515-7148INTERCHANGEABLE
STEM,NEEDLE VALVE
40611 PC NO 31
4820-01-515-7162INTERCHANGEABLE
SEAT,VALVE
40611-8 PC NO 30
4820-01-515-7175INTERCHANGEABLE
PISTON,VALVE
40611-8 PC NO 25
4820-01-515-7183INTERCHANGEABLE
SEAT,VALVE
40611-8 PC NO 22
4820-01-515-7190INTERCHANGEABLE
REGULATOR,THERMOSTATIC TEMPERATU
50202-00
5360-01-516-1729INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
1844-00
5330-01-516-2888INTERCHANGEABLE
GASKET
2053-00

Frequently Asked Questions

What is NSN 4820-01-515-7165?

NSN 4820-01-515-7165 is a Ring,valve Piston, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-515-7165?

NSN 4820-01-515-7165 has 3 cross-referenced part numbers: 1044-00 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40611-8 PC NO 26 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40611-8 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-515-7165?

There are 12 known substitutes for 4820-01-515-7165: 6125-00-509-5605, 6695-00-922-3319, 5330-01-127-0424 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40611-8 PC NO 26?

Key specifications for 40611-8 PC NO 26: End Item Identification: E/I VALVE TEMPERATURE REGULATOR; Special Features: MATERIAL SPEC QQ-I-652; Material: IRON; Surface Treatment: NICKEL. 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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