PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40400-202Valve,regulating,fluid Pressure

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-568-6734 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-568-6734 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-568-6734. Primary manufacturer part number: 40400-202.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • First End Connection Type: PLAIN FACE FLANGE
  • Valve Loading Method: SPRING
  • Material: NICKEL ALLOY AND COPPER ALLOY SEAT
  • Maximum Inlet Pressure Rating: ERR-060
  • Second End Relationship with First End: IDENTICAL
  • End Connection Spec/std: MIL-F-20042 250 LB CLASS LBS
  • Valve Size: 1.250 INCHES IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy and Copper Alloy Seat construction
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-568-6734, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-568-6734
Primary Part Number40400-202
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
First End Connection TypePLAIN FACE FLANGE
Valve Loading MethodSPRING
MaterialNICKEL ALLOY AND COPPER ALLOY SEAT
Maximum Inlet Pressure RatingERR-060
Second End Relationship with First EndIDENTICAL
End Connection Spec/stdMIL-F-20042 250 LB CLASS LBS
Valve Size1.250 INCHES IN
Valve Stem DesignSINGLE SEAT
Flow Control DeviceDISK, FLAT, TOP AND BOTTOM GUIDED
Outlet Pressure Range25.0 TO 60.0 CAMERA MOUNT
Body StyleSTRAIGHT THRU
Regulation TypeAUTOMATIC SINGLE STAGE
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
MaterialNICKEL ALLOY STEM
Material Document and ClassificationUNABLE TO DECODE
End Connection Quantity2
Face to Face Distance8.688 INCHES NOMINAL IN
Media for Which DesignedWATER, SALT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
6640-00-477-6723404002 INTERCHANGEABLE
Pipeting Machine,se
Warner-Lambert Co
5315-00-821-1501404002 INTERCHANGEABLE
Pin,straight,headless
Woodward, Inc. Div Fuel Systems and Controls
5999-00-931-5978404002 INTERCHANGEABLE
Contact,electrical
Mac Panel Co
6515-01-330-7941 INTERCHANGEABLE
Syringe,irrigating
4820-01-448-7718730-04 INTERCHANGEABLE
Seat,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-448-884940400-2 INTERCHANGEABLE
Valve,globe
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
40400-2 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
MIL-V-2042E Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
40400-202 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
MIL-V-2042 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6640-00-477-6723INTERCHANGEABLE
PIPETING MACHINE,SE
404002
5315-00-821-1501INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
404002
5999-00-931-5978INTERCHANGEABLE
CONTACT,ELECTRICAL
404002
6515-01-330-7941INTERCHANGEABLE
SYRINGE,IRRIGATING
4820-01-448-7718INTERCHANGEABLE
SEAT,VALVE
730-04
4820-01-448-8849INTERCHANGEABLE
VALVE,GLOBE
40400-2

Frequently Asked Questions

What is NSN 4820-01-568-6734?

NSN 4820-01-568-6734 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 4820-01-568-6734?

NSN 4820-01-568-6734 has 4 cross-referenced part numbers: 40400-2 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), MIL-V-2042E (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 40400-202 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), MIL-V-2042 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4820-01-568-6734?

There are 6 known substitutes for 4820-01-568-6734: 6640-00-477-6723, 5315-00-821-1501, 5999-00-931-5978 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40400-202?

Key specifications for 40400-202: First End Connection Type: PLAIN FACE FLANGE; Valve Loading Method: SPRING; Material: NICKEL ALLOY AND COPPER ALLOY SEAT; Maximum Inlet Pressure Rating: ERR-060. 19 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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