PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

343-00Cap,valve

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-406-0355 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-406-0355 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-406-0355. Primary manufacturer part number: 343-00.
Features
  • Cap,valve — FSC 4820
  • Material: COPPER ALLOY
  • 2 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 Copper Alloy construction
General Description

The Cap,valve, cataloged under National Stock Number 4820-01-406-0355, 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 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 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
NSN4820-01-406-0355
Primary Part Number343-00
Item NameCap,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
MaterialCOPPER ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1560-00-037-119034300 INTERCHANGEABLE
Support Assy
Bridgestone Americas Tire Operations, Llc
3110-00-100-357834300 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5330-00-298-0793 INTERCHANGEABLE
Gasket
2920-00-590-4504608641 INTERCHANGEABLE
Armature,generator
Caterpillar Inc Div Caterpillar Defense
5915-00-912-6621L2088552-0002 INTERCHANGEABLE
Filter,band Pass
Honeywell International Inc Dba Honeywell
5905-01-040-2656308-0393-00 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Tektronix, Inc.
5935-01-080-5809788C783H01 INTERCHANGEABLE
Cover,electrical Connector
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
4820-01-109-3019 INTERCHANGEABLE
Valve,bleeder,hydraulic System
5935-01-117-3662 INTERCHANGEABLE
Backshell,electrical Connector
3040-01-150-799834300 INTERCHANGEABLE
Shaft
Koehring Cranes, Inc Dba Terex Cranes Div Waverly Operations
Cross-Reference Index
Part NumberManufacturer
343-00 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40056-1 PIECE 29 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
1560-00-037-1190INTERCHANGEABLE
SUPPORT ASSY
34300
3110-00-100-3578INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
34300
5330-00-298-0793INTERCHANGEABLE
GASKET
2920-00-590-4504INTERCHANGEABLE
ARMATURE,GENERATOR
608641
5915-00-912-6621INTERCHANGEABLE
FILTER,BAND PASS
L2088552-0002
5905-01-040-2656INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
308-0393-00
5935-01-080-5809INTERCHANGEABLE
COVER,ELECTRICAL CONNECTOR
788C783H01
4820-01-109-3019INTERCHANGEABLE
VALVE,BLEEDER,HYDRAULIC SYSTEM
5935-01-117-3662INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
3040-01-150-7998INTERCHANGEABLE
SHAFT
34300
4820-01-356-7692INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
34-500SW
3110-01-413-8118INTERCHANGEABLE
BALL,BEARING
34300

Frequently Asked Questions

What is NSN 4820-01-406-0355?

NSN 4820-01-406-0355 is a Cap,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 4820-01-406-0355?

NSN 4820-01-406-0355 has 2 cross-referenced part numbers: 343-00 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40056-1 PIECE 29 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-406-0355?

There are 12 known substitutes for 4820-01-406-0355: 1560-00-037-1190, 3110-00-100-3578, 5330-00-298-0793 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 343-00?

Key specifications for 343-00: Material: COPPER ALLOY; Special Features: VALVE,TEMP RE. 2 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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