PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

709-02Seat,valve

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-476-0227 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-476-0227 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-476-0227. Primary manufacturer part number: 709-02.
Features
  • Seat,valve — FSC 4820
  • Material Document and Classification: QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE SEAT
  • Material: NICKEL ALLOY SEAT
  • 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 Nickel Alloy Seat construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-476-0227, 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-476-0227
Primary Part Number709-02
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
Material Document and ClassificationQQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MaterialNICKEL ALLOY SEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5945-00-853-602424095 INTERCHANGEABLE
Solenoid,electrical
Cole Hersee Company
5915-01-050-0529395AS159 INTERCHANGEABLE
Filter,band Pass
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
4320-01-109-2550 INTERCHANGEABLE
Carrier Assembly
4820-01-475-9926713-01 INTERCHANGEABLE
Retainer,disk,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-475-9944707-00 INTERCHANGEABLE
Retainer,disk,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-476-033260078-00 INTERCHANGEABLE
Cap,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
5995-01-696-5796404032 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Nexiq Technologies
5180-01-708-8336 INTERCHANGEABLE
Tool Kit,handicraft
Cross-Reference Index
Part NumberManufacturer
709-02 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40403-2 FIND NO. 25 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40403-2 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
5945-00-853-6024INTERCHANGEABLE
SOLENOID,ELECTRICAL
24095
5915-01-050-0529INTERCHANGEABLE
FILTER,BAND PASS
395AS159
4320-01-109-2550INTERCHANGEABLE
CARRIER ASSEMBLY
4820-01-475-9926INTERCHANGEABLE
RETAINER,DISK,VALVE
713-01
4820-01-475-9944INTERCHANGEABLE
RETAINER,DISK,VALVE
707-00
4820-01-476-0332INTERCHANGEABLE
CAP,VALVE
60078-00
5995-01-696-5796INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
404032
5180-01-708-8336INTERCHANGEABLE
TOOL KIT,HANDICRAFT

Frequently Asked Questions

What is NSN 4820-01-476-0227?

NSN 4820-01-476-0227 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 4820-01-476-0227?

NSN 4820-01-476-0227 has 3 cross-referenced part numbers: 709-02 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40403-2 FIND NO. 25 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40403-2 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-476-0227?

There are 8 known substitutes for 4820-01-476-0227: 5945-00-853-6024, 5915-01-050-0529, 4320-01-109-2550 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 709-02?

Key specifications for 709-02: Material Document and Classification: QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE SEAT; Material: NICKEL ALLOY SEAT; End Item Identification: NHA NSN 4820-01-475-9686 VALVE, REGULATING, FLUID PRESSURE. 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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