PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

86CValve,safety Relief

Anderson Greenwood Lp Dba Anderson Greenwood Crosby · NSN 4820-00-068-5900 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-068-5900 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-068-5900. Primary manufacturer part number: 86C.
Features
  • Valve,safety Relief — FSC 4820
  • Style Designator: STRAIGHT THRU
  • Thread Series Designator: NPT FIRST END
  • Valve Operation Method: AUTOMATIC
  • Disk Loading Method: SPRING
  • Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY SIZE
  • Media for Which Designed: AIR FIRST RESPONSE
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Overall construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-00-068-5900, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Anderson Greenwood Lp Dba Anderson Greenwood Crosby. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-068-5900
Primary Part Number86C
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAnderson Greenwood Lp Dba Anderson Greenwood Crosby
StatusACTIVE
Style DesignatorSTRAIGHT THRU
Thread Series DesignatorNPT FIRST END
Valve Operation MethodAUTOMATIC
Disk Loading MethodSPRING
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY SIZE
Media for Which DesignedAIR FIRST RESPONSE
Media for Which DesignedGAS, INERT SECOND RESPONSE
Thread DirectionRIGHT-HAND FIRST END
Flow Control DevicePOPPET
Valve Discharge Flow Rate277.0 CUBIC FEET PER MINUTE
Nominal Thread Size1.000 INCHES FIRST END IN
Opening Pressure Setting6.0 POUNDS PER SQUARE INCH LBS
MaterialCOPPER ALLOY OVERALL
Connection StylePLAIN (PIPE) FIRST END
Maximum Operating Temp400.0 FAHRENHEIT SINGLE RESPONSE DEGF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
7510-00-275-85581136433 INTERCHANGEABLE
Ribbon,correction
International Business Machines Corp Parts Order Center Dept E - 54
5130-01-082-259086-C INTERCHANGEABLE
Wheel,abrasive
Cratex Manufacturing Co Inc
Cross-Reference Index
Part NumberManufacturer
86C Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
Related Parts
7510-00-275-8558INTERCHANGEABLE
RIBBON,CORRECTION
1136433
5130-01-082-2590INTERCHANGEABLE
WHEEL,ABRASIVE
86-C

Frequently Asked Questions

What is NSN 4820-00-068-5900?

NSN 4820-00-068-5900 is a Valve,safety Relief, manufactured by Anderson Greenwood Lp Dba Anderson Greenwood Crosby, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-068-5900?

NSN 4820-00-068-5900 has 1 cross-referenced part number: 86C (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).

What NSN replaces 4820-00-068-5900?

There are 2 known substitutes for 4820-00-068-5900: 7510-00-275-8558, 5130-01-082-2590. Verify interchangeability with system specifications before substitution.

What are the specifications of 86C?

Key specifications for 86C: Style Designator: STRAIGHT THRU; Thread Series Designator: NPT FIRST END; Valve Operation Method: AUTOMATIC; Disk Loading Method: SPRING. 16 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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