PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

340-01Seat,valve

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-380-7593 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-380-7593 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-380-7593. Primary manufacturer part number: 340-01.
Features
  • Seat,valve — FSC 4820
  • 4 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 4820-01-380-7593, 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 4 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
NSN4820-01-380-7593
Primary Part Number340-01
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 12
5330-00-171-860634001 INTERCHANGEABLE
Seal,plain Encased
Reidville Hydraulics & Mfg Inc
5120-00-224-9453 INTERCHANGEABLE
Puller,fuse
5120-00-240-6092 INTERCHANGEABLE
Punch,starter
5950-00-243-68577605338 INTERCHANGEABLE
Transformer,audio Frequency
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
2520-00-470-9871 INTERCHANGEABLE
Valve Assembly,sole
3456-00-484-5683 INTERCHANGEABLE
Expander,tube
5945-00-902-1701SAD4401 INTERCHANGEABLE
Solenoid,electrical
Prestolite Electric Inc
5950-01-090-3419583R296H02 INTERCHANGEABLE
Coil,radio Frequency
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
3220-01-167-2644 INTERCHANGEABLE
Guard,saw Blade
5330-01-209-8359 INTERCHANGEABLE
Seal,deck Ramp,intl
Cross-Reference Index
Part NumberManufacturer
340-01 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
340PART340-01VM Naval Inventory Control Point Mechanicsburg (USA)
340-01VM Naval Inventory Control Point Mechanicsburg (USA)
340 PART 340-01 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
5330-00-171-8606INTERCHANGEABLE
SEAL,PLAIN ENCASED
34001
5120-00-224-9453INTERCHANGEABLE
PULLER,FUSE
5120-00-240-6092INTERCHANGEABLE
PUNCH,STARTER
5950-00-243-6857INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
7605338
2520-00-470-9871INTERCHANGEABLE
VALVE ASSEMBLY,SOLE
3456-00-484-5683INTERCHANGEABLE
EXPANDER,TUBE
5945-00-902-1701INTERCHANGEABLE
SOLENOID,ELECTRICAL
SAD4401
5950-01-090-3419INTERCHANGEABLE
COIL,RADIO FREQUENCY
583R296H02
3220-01-167-2644INTERCHANGEABLE
GUARD,SAW BLADE
5330-01-209-8359INTERCHANGEABLE
SEAL,DECK RAMP,INTL
4820-01-281-1643INTERCHANGEABLE
SEAT,VALVE
340-01
1940-01-351-3148INTERCHANGEABLE
BOAT,UTILITY
34-001

Frequently Asked Questions

What is NSN 4820-01-380-7593?

NSN 4820-01-380-7593 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 4820-01-380-7593?

NSN 4820-01-380-7593 has 4 cross-referenced part numbers: 340-01 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 340PART340-01VM (Naval Inventory Control Point Mechanicsburg), 340-01VM (Naval Inventory Control Point Mechanicsburg), 340 PART 340-01 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-380-7593?

There are 12 known substitutes for 4820-01-380-7593: 5330-00-171-8606, 5120-00-224-9453, 5120-00-240-6092 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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