PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

95-38-34Valve,safety Relief

Market Forge Industries Inc · NSN 4820-01-181-5764 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-181-5764 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-181-5764. Primary manufacturer part number: 95-38-34.
Features
  • Valve,safety Relief — FSC 4820
  • Material: COPPER ALLOY BODY
  • Opening Pressure Setting: 15.0 POUNDS PER SQUARE INCH LBS
  • Nominal Thread Size: 0.500 INCHES SECOND END IN
  • Thread Series Designator: NPT SECOND END
  • Furnished Items and Quantity: 1 ADAPTER AND 2 TAILPIECE
  • Valve Discharge Flow Rate: 450.0 POUNDS PER HOUR LBS
  • Thread Direction: RIGHT-HAND SECOND END
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-181-5764, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Market Forge Industries Inc. Government technical data includes 17 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-181-5764
Primary Part Number95-38-34
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMarket Forge Industries Inc
StatusCANCELLED
MaterialCOPPER ALLOY BODY
Opening Pressure Setting15.0 POUNDS PER SQUARE INCH LBS
Nominal Thread Size0.500 INCHES SECOND END IN
Thread Series DesignatorNPT SECOND END
Furnished Items and Quantity1 ADAPTER AND 2 TAILPIECE
Valve Discharge Flow Rate450.0 POUNDS PER HOUR LBS
Thread DirectionRIGHT-HAND SECOND END
Connection StylePLAIN,OPTIONAL END(PIPE) SECOND END
Connection TypeTHREADED INTERNAL PIPE SECOND END
Nominal Thread Size0.500 INCHES FIRST END IN
Connection StylePLAIN (PIPE) FIRST END
Thread Series DesignatorNPT FIRST END
Flow Control DeviceDISK
Valve Operation MethodAUTOMATIC OR MANUAL
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Style DesignatorANGLE
Thread DirectionRIGHT-HAND FIRST END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
3020-00-042-8459104636 INTERCHANGEABLE
Gear,spur
Astronautics Corporation of America
3110-00-100-6176104916 INTERCHANGEABLE
Ball,bearing
Us Army Aviation and Missile Command
3120-01-305-9564104636 INTERCHANGEABLE
Roller,linear-Rotary Motion
Williams Controls Inc
5340-01-555-5614104636 INTERCHANGEABLE
Plate,frt Mid Fende
Oshkosh Defense Llc
5360-01-723-6641953834 INTERCHANGEABLE
Spring,helical,extension
Mercury Marine
Cross-Reference Index
Part NumberManufacturer
95-38-34 PRIMARY Market Forge Industries Inc (USA)
10-4636 Market Forge Industries Inc (USA)
95-3834 PRIMARY Market Forge Industries Inc (USA)
Related Parts
3020-00-042-8459INTERCHANGEABLE
GEAR,SPUR
104636
3110-00-100-6176INTERCHANGEABLE
BALL,BEARING
104916
3120-01-305-9564INTERCHANGEABLE
ROLLER,LINEAR-ROTARY MOTION
104636
5340-01-555-5614INTERCHANGEABLE
PLATE,FRT MID FENDE
104636
5360-01-723-6641INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
953834

Frequently Asked Questions

What is NSN 4820-01-181-5764?

NSN 4820-01-181-5764 is a Valve,safety Relief, manufactured by Market Forge Industries Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-181-5764?

NSN 4820-01-181-5764 has 3 cross-referenced part numbers: 95-38-34 (Market Forge Industries Inc), 10-4636 (Market Forge Industries Inc), 95-3834 (Market Forge Industries Inc).

What NSN replaces 4820-01-181-5764?

There are 5 known substitutes for 4820-01-181-5764: 3020-00-042-8459, 3110-00-100-6176, 3120-01-305-9564 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 95-38-34?

Key specifications for 95-38-34: Material: COPPER ALLOY BODY; Opening Pressure Setting: 15.0 POUNDS PER SQUARE INCH LBS; Nominal Thread Size: 0.500 INCHES SECOND END IN; Thread Series Designator: NPT SECOND END. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-181-5764 still in active supply?

NSN 4820-01-181-5764 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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