PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

283-01Seat,valve

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-207-9874 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-207-9874 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-207-9874. Primary manufacturer part number: 283-01.
Features
  • Seat,valve — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-207-9874, 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. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSeat,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersTrac Regulator Co., Inc. Dba Trac Regulator Co Inc (CAGE 55378)
Technical Specifications
ParameterValue
NSN4820-01-207-9874
Primary Part Number283-01
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5325-00-174-5315 INTERCHANGEABLE
Grommet,nonmetallic
4730-00-311-9661 INTERCHANGEABLE
Bolt,fluid Passage
5977-00-359-9494324901001 INTERCHANGEABLE
Electrode
L & L Boiler Maintenance Inc
5845-00-773-646928301 INTERCHANGEABLE
Base Plate
L3harris Technologies, Inc.
5845-01-252-152628301 INTERCHANGEABLE
Kit,seal,transmitte
Exelis Inc.
5910-01-397-05860283010002 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
Riimic, Llc Dba Sunair Electronics
Cross-Reference Index
Part NumberManufacturer
283-01 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
5325-00-174-5315INTERCHANGEABLE
GROMMET,NONMETALLIC
4730-00-311-9661INTERCHANGEABLE
BOLT,FLUID PASSAGE
5977-00-359-9494INTERCHANGEABLE
ELECTRODE
324901001
5845-00-773-6469INTERCHANGEABLE
BASE PLATE
28301
5845-01-252-1526INTERCHANGEABLE
KIT,SEAL,TRANSMITTE
28301
5910-01-397-0586INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
0283010002

Frequently Asked Questions

What is NSN 4820-01-207-9874?

NSN 4820-01-207-9874 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 4820-01-207-9874?

NSN 4820-01-207-9874 has 1 cross-referenced part number: 283-01 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-207-9874?

There are 6 known substitutes for 4820-01-207-9874: 5325-00-174-5315, 4730-00-311-9661, 5977-00-359-9494 and 3 more. Verify interchangeability with system specifications before substitution.

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