PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40611-8 PC NO 22Seat,valve

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-515-7183 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-515-7183 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-515-7183. Primary manufacturer part number: 40611-8 PC NO 22.
Features
  • Seat,valve — FSC 4820
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE SEAT
  • Material Document and Classification: MIL-+46183, TY I MIL SPEC SINGLE MATERIAL RESPONSE SEAT
  • 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
  • Applications requiring Plastic Polytetrafluoroethylene Seat construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-515-7183, 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 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: Active.

Technical Specifications
ParameterValue
NSN4820-01-515-7183
Primary Part Number40611-8 PC NO 22
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
MaterialPLASTIC POLYTETRAFLUOROETHYLENE SEAT
Material Document and ClassificationMIL-+46183, TY I MIL SPEC SINGLE MATERIAL RESPONSE SEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-220-666816T2973 INTERCHANGEABLE
Nut,plain,hexagon
Chief of Engineers Dept of Army
5835-01-050-7882 INTERCHANGEABLE
Head,magnetic
3413-01-146-5125 INTERCHANGEABLE
Clamp,holddown,dril
4910-01-239-0022204000 INTERCHANGEABLE
Filler and Bleeder,hydraulic Sys
Goodman Ball, Inc. Dba Gbi
6680-01-268-9323 INTERCHANGEABLE
Meter,flow Rate Indicating
6680-01-268-9324 INTERCHANGEABLE
Meter,flow Rate Indicating
7930-01-513-996704531 INTERCHANGEABLE
Cleaning Compound,solvent-Deterg
Johnsondiversey Inc Dba Dubois Chemicals
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
Cross-Reference Index
Part NumberManufacturer
40610-8 PC NO 22 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40611-8 PC NO 22 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
2040-00 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40612-8 PC NO 22 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40611-8 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
5310-00-220-6668INTERCHANGEABLE
NUT,PLAIN,HEXAGON
16T2973
5835-01-050-7882INTERCHANGEABLE
HEAD,MAGNETIC
3413-01-146-5125INTERCHANGEABLE
CLAMP,HOLDDOWN,DRIL
4910-01-239-0022INTERCHANGEABLE
FILLER AND BLEEDER,HYDRAULIC SYS
204000
6680-01-268-9323INTERCHANGEABLE
METER,FLOW RATE INDICATING
6680-01-268-9324INTERCHANGEABLE
METER,FLOW RATE INDICATING
7930-01-513-9967INTERCHANGEABLE
CLEANING COMPOUND,SOLVENT-DETERG
04531
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
4820-01-515-7165INTERCHANGEABLE
RING,VALVE PISTON
40611-8 PC NO 26
4820-01-515-7175INTERCHANGEABLE
PISTON,VALVE
40611-8 PC NO 25

Frequently Asked Questions

What is NSN 4820-01-515-7183?

NSN 4820-01-515-7183 is a Seat,valve, 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 4820-01-515-7183?

NSN 4820-01-515-7183 has 5 cross-referenced part numbers: 40610-8 PC NO 22 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40611-8 PC NO 22 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 2040-00 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40612-8 PC NO 22 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40611-8 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-515-7183?

There are 12 known substitutes for 4820-01-515-7183: 5310-00-220-6668, 5835-01-050-7882, 3413-01-146-5125 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40611-8 PC NO 22?

Key specifications for 40611-8 PC NO 22: Material: PLASTIC POLYTETRAFLUOROETHYLENE SEAT; Material Document and Classification: MIL-+46183, TY I MIL SPEC SINGLE MATERIAL RESPONSE SEAT; End Item Identification: E/I VALVE TEMPERATURE REGULATOR. 3 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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