PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

510-03Stem,fluid Valve

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-274-3680 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-274-3680 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-274-3680. Primary manufacturer part number: 510-03.
Features
  • Stem,fluid Valve — FSC 4820
  • Stem Actuating End Type: THREADED EXTERNALLY
  • Material: STEEL CORROSION RESISTING
  • Valve Type for Which Designed: REGULATOR
  • 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
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-274-3680, 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 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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
NSN4820-01-274-3680
Primary Part Number510-03
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
Stem Actuating End TypeTHREADED EXTERNALLY
MaterialSTEEL CORROSION RESISTING
Valve Type for Which DesignedREGULATOR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6760-00-067-70765-100-3 INTERCHANGEABLE
Light,photographic
Testrite Instrument Co Inc
6850-00-155-644476759 INTERCHANGEABLE
Chemical Antigalling Cmpd
Loctite Corp
5365-00-312-622151003 INTERCHANGEABLE
Ring,nozzle
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5120-00-379-24905110907 INTERCHANGEABLE
Cleaner,burner Slot,gasoline Fie
Timber Edge Machine Inc.
5961-01-008-1356353-3623-020 INTERCHANGEABLE
Semiconductor Device,diode
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
3110-01-022-953051003 INTERCHANGEABLE
Retainer and Rollers,bearing
Paccar Winch Inc Dba Paccar Winch Division
6105-01-072-676140044 INTERCHANGEABLE
Motor-Switch Assembly
Crown Audio, Inc. Dba Crown International
5133-01-091-175340044 INTERCHANGEABLE
Drill,twist
Precision Twist Drill Co
4710-01-131-644451003 INTERCHANGEABLE
Snap Tube
Shaw Development, Llc
4820-01-274-1859364-00 INTERCHANGEABLE
Seat,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
510-03 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40044 PC 16 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40044 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
6760-00-067-7076INTERCHANGEABLE
LIGHT,PHOTOGRAPHIC
5-100-3
6850-00-155-6444INTERCHANGEABLE
CHEMICAL ANTIGALLING CMPD
76759
5365-00-312-6221INTERCHANGEABLE
RING,NOZZLE
51003
5120-00-379-2490INTERCHANGEABLE
CLEANER,BURNER SLOT,GASOLINE FIE
5110907
5961-01-008-1356INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
353-3623-020
3110-01-022-9530INTERCHANGEABLE
RETAINER AND ROLLERS,BEARING
51003
6105-01-072-6761INTERCHANGEABLE
MOTOR-SWITCH ASSEMBLY
40044
5133-01-091-1753INTERCHANGEABLE
DRILL,TWIST
40044
4710-01-131-6444INTERCHANGEABLE
SNAP TUBE
51003
4820-01-274-1859INTERCHANGEABLE
SEAT,VALVE
364-00
4820-01-284-5474INTERCHANGEABLE
DISK,VALVE
4820-01-290-2515INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
40044 W/PART 50004-05

Frequently Asked Questions

What is NSN 4820-01-274-3680?

NSN 4820-01-274-3680 is a Stem,fluid 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 4820-01-274-3680?

NSN 4820-01-274-3680 has 3 cross-referenced part numbers: 510-03 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40044 PC 16 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40044 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-274-3680?

There are 12 known substitutes for 4820-01-274-3680: 6760-00-067-7076, 6850-00-155-6444, 5365-00-312-6221 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 510-03?

Key specifications for 510-03: Stem Actuating End Type: THREADED EXTERNALLY; Material: STEEL CORROSION RESISTING; Valve Type for Which Designed: REGULATOR. 3 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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