PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

230-650-1/4MPTValve,safety Relief

Anderson Greenwood Lp Dba Anderson Greenwood Crosby · NSN 4820-01-425-2892 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-425-2892 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-425-2892. Primary manufacturer part number: 230-650-1/4MPT.
Features
  • Valve,safety Relief — FSC 4820
  • Material: ALUMINUM BODY
  • Style Designator: ANGLE
  • Opening Pressure Setting: 650.0 POUNDS PER SQUARE INCH LBS
  • Disk Loading Method: SPRING
  • Thread Direction: RIGHT-HAND ALL ENDS
  • Connection Style: PLAIN (PIPE) ALL ENDS
  • Thread Series Designator: NPT ALL ENDS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Aluminum Body construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-425-2892, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-425-2892
Primary Part Number230-650-1/4MPT
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAnderson Greenwood Lp Dba Anderson Greenwood Crosby
StatusACTIVE
MaterialALUMINUM BODY
Style DesignatorANGLE
Opening Pressure Setting650.0 POUNDS PER SQUARE INCH LBS
Disk Loading MethodSPRING
Thread DirectionRIGHT-HAND ALL ENDS
Connection StylePLAIN (PIPE) ALL ENDS
Thread Series DesignatorNPT ALL ENDS
Media for Which DesignedGAS, INERT SECOND RESPONSE
Operating Pressure1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Thread Size0.250 INCHES ALL ENDS IN
Maximum Operating Temp185.0 FAHRENHEIT SINGLE RESPONSE DEGF
Connection TypeTHREADED EXTERNAL PIPE ALL ENDS
Media for Which DesignedAIR FIRST RESPONSE
Adjustable Pressure Range+300.0 TO 1000.0 POUNDS PER SQUARE INCH LBS
Valve Operation MethodAUTOMATIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3110-00-100-981882562 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
3030-00-457-856917470 SET 2 INTERCHANGEABLE
Belts,v,matched Set
Carlisle Power Transmission Products Inc
5330-00-609-89028256-1 INTERCHANGEABLE
Gasket
Cummins Inc.
6220-01-603-013482562 INTERCHANGEABLE
Reflector,light
Grote Industries Inc Dba Grote Manufacturing Co Div Military Products
Cross-Reference Index
Part NumberManufacturer
82562 Hdt Expeditionary Systems Inc (USA)
82562 Drs Environmental Systems Inc (USA)
230-650-1/4MPT PRIMARY Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
82562 Davey Compressor Co Div of Keco Industries Inc (USA)
Related Parts
3110-00-100-9818INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
82562
3030-00-457-8569INTERCHANGEABLE
BELTS,V,MATCHED SET
17470 SET 2
5330-00-609-8902INTERCHANGEABLE
GASKET
8256-1
6220-01-603-0134INTERCHANGEABLE
REFLECTOR,LIGHT
82562

Frequently Asked Questions

What is NSN 4820-01-425-2892?

NSN 4820-01-425-2892 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 4820-01-425-2892?

NSN 4820-01-425-2892 has 4 cross-referenced part numbers: 82562 (Hdt Expeditionary Systems Inc), 82562 (Drs Environmental Systems Inc), 230-650-1/4MPT (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 82562 (Davey Compressor Co Div of Keco Industries Inc).

What NSN replaces 4820-01-425-2892?

There are 4 known substitutes for 4820-01-425-2892: 3110-00-100-9818, 3030-00-457-8569, 5330-00-609-8902 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 230-650-1/4MPT?

Key specifications for 230-650-1/4MPT: Material: ALUMINUM BODY; Style Designator: ANGLE; Opening Pressure Setting: 650.0 POUNDS PER SQUARE INCH LBS; 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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