PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

463-04Cap,valve

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-286-9743 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-286-9743 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-286-9743. Primary manufacturer part number: 463-04.
Features
  • Cap,valve — FSC 4820
  • Material: COPPER ALLOY
  • Valve Size for Which Designed: 1.000 INCHES IN
  • Material Document and Classification: MIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE
  • Valve Model Number for Which Designed: 1 IN STYL G IN
  • Valve Type for Which Designed: FLUID PRESSURE REGULATING
  • Attachment Method: THREADED
  • 4 verified cross-references
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 4820-01-286-9743, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-286-9743
Primary Part Number463-04
Item NameCap,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusCANCELLED
MaterialCOPPER ALLOY
Valve Size for Which Designed1.000 INCHES IN
Material Document and ClassificationMIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE
Valve Model Number for Which Designed1 IN STYL G IN
Valve Type for Which DesignedFLUID PRESSURE REGULATING
Attachment MethodTHREADED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5977-00-308-06874630-4 INTERCHANGEABLE
Brush,electrical Contact
Ward Leonard Ct Llc
2990-00-337-0015040564 INTERCHANGEABLE
Sleeve Assembly,term Inal
Woodward, Inc.
2925-00-806-797240355 INTERCHANGEABLE
Vibrator,ignition Coil
Unison Industries Llc
5950-00-892-8312SM-C-450410 INTERCHANGEABLE
Reactor
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4820-01-057-618640355 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4930-01-178-3088K7-67 INTERCHANGEABLE
Pump,bucket,lubricating
Macnaught Usa Inc
4820-01-286-9735546-00 INTERCHANGEABLE
Stem,fluid Valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
5330-01-291-507146300 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
6150-01-322-7666 INTERCHANGEABLE
Cable Assembly,special Purpose,e
2925-01-423-4962 INTERCHANGEABLE
Rotor,generator
Cross-Reference Index
Part NumberManufacturer
463-00 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40355-1 PIECE 29 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
463-04 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40355 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
5977-00-308-0687INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
4630-4
2990-00-337-0015INTERCHANGEABLE
SLEEVE ASSEMBLY,TERM INAL
040564
2925-00-806-7972INTERCHANGEABLE
VIBRATOR,IGNITION COIL
40355
5950-00-892-8312INTERCHANGEABLE
REACTOR
SM-C-450410
4820-01-057-6186INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
40355
4930-01-178-3088INTERCHANGEABLE
PUMP,BUCKET,LUBRICATING
K7-67
4820-01-286-9735INTERCHANGEABLE
STEM,FLUID VALVE
546-00
5330-01-291-5071INTERCHANGEABLE
SEAL,PLAIN ENCASED
46300
6150-01-322-7666INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
2925-01-423-4962INTERCHANGEABLE
ROTOR,GENERATOR
5120-01-429-6554INTERCHANGEABLE
WRENCH SET,SOCKET
00946304000
6515-01-451-1952INTERCHANGEABLE
CALF SKIN
46304

Frequently Asked Questions

What is NSN 4820-01-286-9743?

NSN 4820-01-286-9743 is a Cap,valve, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-286-9743?

NSN 4820-01-286-9743 has 4 cross-referenced part numbers: 463-00 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40355-1 PIECE 29 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 463-04 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40355 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-286-9743?

There are 12 known substitutes for 4820-01-286-9743: 5977-00-308-0687, 2990-00-337-0015, 2925-00-806-7972 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 463-04?

Key specifications for 463-04: Material: COPPER ALLOY; Valve Size for Which Designed: 1.000 INCHES IN; Material Document and Classification: MIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE; Valve Model Number for Which Designed: 1 IN STYL G IN. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-286-9743 still in active supply?

NSN 4820-01-286-9743 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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