PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G500AValve,regulating,fluid Pressure

Modern Engineering Co Inc · NSN 4820-00-497-4507 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-497-4507 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-497-4507. Primary manufacturer part number: G500A.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • Outlet Pressure Range: 0.0 TO 500.0 CAMERA MOUNT
  • Thread Size and Series/type Designator: 1/4-18 NPT FIRST END
  • Second End Connection Type: THREADED INTERNAL GAS CYLINDER
  • End Connection Quantity: 2
  • Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY END CONNECTION TYPES
  • Valve Stem Design: SINGLE SEAT
  • Thread Size and Series/type Designator: 0.908-14 NGO SECOND END
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Seat construction
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-497-4507, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Modern Engineering Co Inc. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN4820-00-497-4507
Primary Part NumberG500A
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerModern Engineering Co Inc
StatusACTIVE
Outlet Pressure Range0.0 TO 500.0 CAMERA MOUNT
Thread Size and Series/type Designator1/4-18 NPT FIRST END
Second End Connection TypeTHREADED INTERNAL GAS CYLINDER
End Connection Quantity2
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY END CONNECTION TYPES
Valve Stem DesignSINGLE SEAT
Thread Size and Series/type Designator0.908-14 NGO SECOND END
Media for Which DesignedOXYGEN, GASEOUS
Body StyleSTRAIGHT THRU
First End Connection TypeTHREADED INTERNAL PIPE
Second End Thread DirectionRIGHT-HAND
Maximum Inlet Pressure RatingERR-060
MaterialSTEEL SEAT
Regulation TypeMANUAL SINGLE STAGE
First End Thread DirectionRIGHT-HAND
Second End Relationship with First EndNOT IDENTICAL
Valve Loading MethodSPRING
FilterNOT INCLUDED
Furnished ItemsINLET PRESSURE GAGE AND OUTLET PRESSURE GAGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2090-00-786-914926776-3088 INTERCHANGEABLE
Valve,capsule
Dresser-Argus, Inc Dba Dresser Argus Inc
Cross-Reference Index
Part NumberManufacturer
G500A Modern Engineering Co Inc (USA)
B3004 Modern Engineering Co Inc (USA)
Related Parts
2090-00-786-9149INTERCHANGEABLE
VALVE,CAPSULE
26776-3088

Frequently Asked Questions

What is NSN 4820-00-497-4507?

NSN 4820-00-497-4507 is a Valve,regulating,fluid Pressure, manufactured by Modern Engineering Co Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-497-4507?

NSN 4820-00-497-4507 has 2 cross-referenced part numbers: G500A (Modern Engineering Co Inc), B3004 (Modern Engineering Co Inc).

What NSN replaces 4820-00-497-4507?

There is 1 known substitute for 4820-00-497-4507: 2090-00-786-9149. Verify interchangeability with system specifications before substitution.

What are the specifications of G500A?

Key specifications for G500A: Outlet Pressure Range: 0.0 TO 500.0 CAMERA MOUNT; Thread Size and Series/type Designator: 1/4-18 NPT FIRST END; Second End Connection Type: THREADED INTERNAL GAS CYLINDER; End Connection Quantity: 2. 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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