PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

730Seat,valve

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-218-6681 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-218-6681 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-218-6681. Primary manufacturer part number: 730.
Features
  • Seat,valve — FSC 4820
  • 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
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-218-6681, 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 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 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); Naval Inventory Control Point Mechanicsburg (CAGE 03950)
Technical Specifications
ParameterValue
NSN4820-01-218-6681
Primary Part Number730
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 12
4730-00-049-357373000 INTERCHANGEABLE
Plug,fuel Pump Filter
Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix
5133-00-262-2157 INTERCHANGEABLE
Drill,twist
5133-00-262-2164150 LET-P INTERCHANGEABLE
Drill,twist
Greenfield Industries Inc
2810-00-290-7051 INTERCHANGEABLE
Coupling
5961-00-461-3196 INTERCHANGEABLE
Semiconductor Device,diode
1095-01-324-448473-000 INTERCHANGEABLE
Rack,storage,small Arms
Mosler Inc Sales Installation and Service
6110-01-354-590773000 INTERCHANGEABLE
Panel,power Distribution
Setra Systems, Inc. Dba Gems Sensors
6625-01-395-956873000 INTERCHANGEABLE
Controller,test,electronic Syste
Bay Networks Inc
8465-01-396-992273000 INTERCHANGEABLE
Hydration System
Camelbak Products, Llc Dba Camelbak
4730-01-419-70827300000 INTERCHANGEABLE
Adapter,check Valve
Alfa Laval Inc
Cross-Reference Index
Part NumberManufacturer
730 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
730VM Naval Inventory Control Point Mechanicsburg (USA)
730-00 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
4730-00-049-3573INTERCHANGEABLE
PLUG,FUEL PUMP FILTER
73000
5133-00-262-2157INTERCHANGEABLE
DRILL,TWIST
5133-00-262-2164INTERCHANGEABLE
DRILL,TWIST
150 LET-P
2810-00-290-7051INTERCHANGEABLE
COUPLING
5961-00-461-3196INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1095-01-324-4484INTERCHANGEABLE
RACK,STORAGE,SMALL ARMS
73-000
6110-01-354-5907INTERCHANGEABLE
PANEL,POWER DISTRIBUTION
73000
6625-01-395-9568INTERCHANGEABLE
CONTROLLER,TEST,ELECTRONIC SYSTE
73000
8465-01-396-9922INTERCHANGEABLE
HYDRATION SYSTEM
73000
4730-01-419-7082INTERCHANGEABLE
ADAPTER,CHECK VALVE
7300000
4820-01-626-2459INTERCHANGEABLE
SEAT,VALVE
730-00
4920-01-664-5908INTERCHANGEABLE
TEST SET SUBASSEMBLY,AIRCRAFT CO
73000

Frequently Asked Questions

What is NSN 4820-01-218-6681?

NSN 4820-01-218-6681 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 4820-01-218-6681?

NSN 4820-01-218-6681 has 3 cross-referenced part numbers: 730 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 730VM (Naval Inventory Control Point Mechanicsburg), 730-00 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-218-6681?

There are 12 known substitutes for 4820-01-218-6681: 4730-00-049-3573, 5133-00-262-2157, 5133-00-262-2164 and 9 more. Verify interchangeability with system specifications before substitution.

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