PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40734-9 PC NO 2Stem,fluid Valve

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-483-9714 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-483-9714 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-483-9714. Primary manufacturer part number: 40734-9 PC NO 2.
Features
  • Stem,fluid Valve — FSC 4820
  • Valve Type for Which Designed: REGULATOR
  • Furnished Items and Quantity: 1 DISK AND 1 LOCKNUT AND 2 LOCK WASHER AND 8 NUT AND 1 PISTON AND 9 SCREW
  • Material: STEEL CORROSION RESISTING
  • Valve Size for Which Designed: 1.500 INCHES IN
  • Largest Outside Diameter: 13.406 INCHES NOMINAL IN
  • Stem Actuating End Type: ROUNDED
  • Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE
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 4820-01-483-9714, 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 7 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
NSN4820-01-483-9714
Primary Part Number40734-9 PC NO 2
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
Valve Type for Which DesignedREGULATOR
Furnished Items and Quantity1 DISK AND 1 LOCKNUT AND 2 LOCK WASHER AND 8 NUT AND 1 PISTON AND 9 SCREW
MaterialSTEEL CORROSION RESISTING
Valve Size for Which Designed1.500 INCHES IN
Largest Outside Diameter13.406 INCHES NOMINAL IN
Stem Actuating End TypeROUNDED
Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4320-00-061-3019RR20130 INTERCHANGEABLE
Pump Unit,rotary
Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec
6630-00-063-4175101900 INTERCHANGEABLE
Meter,ph
Beckman Coulter, Inc. Dba Beckman Coulter Inc Div Us Customer Operations
2805-00-221-8831101900 INTERCHANGEABLE
Cylinder,hydraulic
Allianz Sweeper Company
5930-00-924-4750101900 INTERCHANGEABLE
Switch
Roanwell, Llc
5970-01-028-6803101900 INTERCHANGEABLE
Insulator,plate
Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit
6130-01-220-1638101900 INTERCHANGEABLE
Power Supply
Perillo Industries Inc. Dba Century Electronics Div Century Electronics
4440-01-241-7538101900 INTERCHANGEABLE
Parts Kit,air Drier
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
4820-01-483-949840734-9 ASSY 40734-901 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-483-961640734-9 PC NO 12 INTERCHANGEABLE
Cylinder,piston
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-483-962940734-9 PC NO 19 INTERCHANGEABLE
Diaphragm,valve,flat
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
40734-9 PC NO 2 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40734-9 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
1019-00 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
4320-00-061-3019INTERCHANGEABLE
PUMP UNIT,ROTARY
RR20130
6630-00-063-4175INTERCHANGEABLE
METER,PH
101900
2805-00-221-8831INTERCHANGEABLE
CYLINDER,HYDRAULIC
101900
5930-00-924-4750INTERCHANGEABLE
SWITCH
101900
5970-01-028-6803INTERCHANGEABLE
INSULATOR,PLATE
101900
6130-01-220-1638INTERCHANGEABLE
POWER SUPPLY
101900
4440-01-241-7538INTERCHANGEABLE
PARTS KIT,AIR DRIER
101900
4820-01-483-9498INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
40734-9 ASSY 40734-901
4820-01-483-9616INTERCHANGEABLE
CYLINDER,PISTON
40734-9 PC NO 12
4820-01-483-9629INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
40734-9 PC NO 19
4820-01-483-9643INTERCHANGEABLE
SEAT,VALVE
40734-9 PC NO 33
4820-01-483-9647INTERCHANGEABLE
DISK,VALVE
40734-9 PC NO 34

Frequently Asked Questions

What is NSN 4820-01-483-9714?

NSN 4820-01-483-9714 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 4820-01-483-9714?

NSN 4820-01-483-9714 has 3 cross-referenced part numbers: 40734-9 PC NO 2 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40734-9 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 1019-00 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-483-9714?

There are 12 known substitutes for 4820-01-483-9714: 4320-00-061-3019, 6630-00-063-4175, 2805-00-221-8831 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40734-9 PC NO 2?

Key specifications for 40734-9 PC NO 2: Valve Type for Which Designed: REGULATOR; Furnished Items and Quantity: 1 DISK AND 1 LOCKNUT AND 2 LOCK WASHER AND 8 NUT AND 1 PISTON AND 9 SCREW; Material: STEEL CORROSION RESISTING; Valve Size for Which Designed: 1.500 INCHES IN. 9 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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