PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40441-901 5-60PSIValve,regulating,fluid Pressure

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-543-0634 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-543-0634 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-543-0634. Primary manufacturer part number: 40441-901 5-60PSI.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • Material: COPPER ALLOY BODY
  • End Connection Quantity: 2
  • Outlet Pressure Range: 5.0 TO 60.0 CAMERA MOUNT
  • Valve Loading Method: SPRING
  • Second End Relationship with First End: IDENTICAL
  • Flow Control Device: DISK, FLAT, TOP AND BOTTOM GUIDED
  • Furnished Items: UNION NUT AND TAILPIECE W/GROOVES
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-543-0634, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-543-0634
Primary Part Number40441-901 5-60PSI
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
MaterialCOPPER ALLOY BODY
End Connection Quantity2
Outlet Pressure Range5.0 TO 60.0 CAMERA MOUNT
Valve Loading MethodSPRING
Second End Relationship with First EndIDENTICAL
Flow Control DeviceDISK, FLAT, TOP AND BOTTOM GUIDED
Furnished ItemsUNION NUT AND TAILPIECE W/GROOVES
Media for Which DesignedWATER, SALT
First End Nominal Pipe Size Accommodated0.750 INCHES IN
First End Connection TypeUNTHREADED INTERNAL PIPE
Body StyleSTRAIGHT THRU
First End Style DesignatorSTREAMLINED WITH ONE BRAZING RING
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
Valve Stem DesignSINGLE SEAT
Renewable Seat Ring TypeTHREADED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5340-01-379-0533921-01 INTERCHANGEABLE
Seat,helical Compression Spring
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
ASTM1370 American Society for Testing and Materials Dba Astm International (USA)
MIL-V-2042 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
40441-9 ASSY 40441-901 5-60PSI Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40441-9 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40441-901 5-60PSI PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
5340-01-379-0533INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
921-01

Frequently Asked Questions

What is NSN 4820-01-543-0634?

NSN 4820-01-543-0634 is a Valve,regulating,fluid Pressure, 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 4820-01-543-0634?

NSN 4820-01-543-0634 has 5 cross-referenced part numbers: ASTM1370 (American Society for Testing and Materials Dba Astm International), MIL-V-2042 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 40441-9 ASSY 40441-901 5-60PSI (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40441-9 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40441-901 5-60PSI (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-543-0634?

There is 1 known substitute for 4820-01-543-0634: 5340-01-379-0533. Verify interchangeability with system specifications before substitution.

What are the specifications of 40441-901 5-60PSI?

Key specifications for 40441-901 5-60PSI: Material: COPPER ALLOY BODY; End Connection Quantity: 2; Outlet Pressure Range: 5.0 TO 60.0 CAMERA MOUNT; Special Features: SHOCK QUALITIFED IAW MIL-S-901, CL I, FIXTURE 4-A BY EXTENSION; VIBRATION QUALITIFED IAW MIL-STD-167B TY I BY EXTENSION. 18 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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