PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2071-00Seat,valve

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-516-3721 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-516-3721 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-516-3721. Primary manufacturer part number: 2071-00.
Features
  • Seat,valve — FSC 4820
  • Seating Surface Shape: O-RING
  • Material Document and Classification: ASTM-A582 ASSN STD SINGLE MATERIAL RESPONSE SEAT
  • Material: STEEL CORROSION RESISTING SEAT
  • Seal Accommodation Type: GROOVED
  • 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 Steel Corrosion Resisting Seat construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-516-3721, 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 4 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
NSN4820-01-516-3721
Primary Part Number2071-00
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
Seating Surface ShapeO-RING
Material Document and ClassificationASTM-A582 ASSN STD SINGLE MATERIAL RESPONSE SEAT
MaterialSTEEL CORROSION RESISTING SEAT
Seal Accommodation TypeGROOVED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5961-00-433-6153 INTERCHANGEABLE
Semiconductor Device,diode
3120-00-905-3095800533 INTERCHANGEABLE
Bushing,sleeve
Lee Evans, Inc.
5935-01-014-6456207100 INTERCHANGEABLE
Connector,plug,electrical
Fluke Corp
2530-01-016-2029 INTERCHANGEABLE
Pin,brake Spring
6515-01-392-2771406108 INTERCHANGEABLE
Introducer Kit,catheter,percutan
Diag Corp
5945-01-516-12622049-00 INTERCHANGEABLE
Solenoid,electrical
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
5360-01-516-17291844-00 INTERCHANGEABLE
Spring,helical,compression
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-516-371840610-8 PC NO 32 INTERCHANGEABLE
Retainer,disk,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-516-371940610-8 PC NO 31 INTERCHANGEABLE
Disk,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-516-372040610-8 PC NO 27 INTERCHANGEABLE
Liner,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
40610-8 PC NO 30 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40610-8 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
2071-00 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
5961-00-433-6153INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
3120-00-905-3095INTERCHANGEABLE
BUSHING,SLEEVE
800533
5935-01-014-6456INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
207100
2530-01-016-2029INTERCHANGEABLE
PIN,BRAKE SPRING
6515-01-392-2771INTERCHANGEABLE
INTRODUCER KIT,CATHETER,PERCUTAN
406108
5945-01-516-1262INTERCHANGEABLE
SOLENOID,ELECTRICAL
2049-00
5360-01-516-1729INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
1844-00
4820-01-516-3718INTERCHANGEABLE
RETAINER,DISK,VALVE
40610-8 PC NO 32
4820-01-516-3719INTERCHANGEABLE
DISK,VALVE
40610-8 PC NO 31
4820-01-516-3720INTERCHANGEABLE
LINER,VALVE
40610-8 PC NO 27
4820-01-516-3722INTERCHANGEABLE
PISTON,VALVE
40610-8 PC NO 25
4820-01-516-3723INTERCHANGEABLE
DISK,VALVE
40610-8 PC NO 33

Frequently Asked Questions

What is NSN 4820-01-516-3721?

NSN 4820-01-516-3721 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 4820-01-516-3721?

NSN 4820-01-516-3721 has 3 cross-referenced part numbers: 40610-8 PC NO 30 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40610-8 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 2071-00 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-516-3721?

There are 12 known substitutes for 4820-01-516-3721: 5961-00-433-6153, 3120-00-905-3095, 5935-01-014-6456 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2071-00?

Key specifications for 2071-00: Seating Surface Shape: O-RING; Material Document and Classification: ASTM-A582 ASSN STD SINGLE MATERIAL RESPONSE SEAT; Material: STEEL CORROSION RESISTING SEAT; End Item Identification: VALVE TEMPERATURE REGULATOR. 5 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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