PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23MA 3/4IN 1000PSI AIR/GASValve,safety Relief

Anderson Greenwood Lp Dba Anderson Greenwood Crosby · NSN 4820-00-541-2758 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-541-2758 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-541-2758. Primary manufacturer part number: 23MA 3/4IN 1000PSI AIR/GAS.
Features
  • Valve,safety Relief — FSC 4820
  • Features Provided: PRESSURE TIGHT OUTLET SIDE
  • Valve Operation Method: AUTOMATIC OR MANUAL
  • Material: STEEL CORROSION RESISTING FLOW CONTROL DEVICE
  • Flow Control Device: DISK
  • Disk Loading Method: SPRING
  • Connection Style: PLAIN (PIPE) SECOND END
  • Opening Pressure Setting: 1170.0 POUNDS PER SQUARE INCH LBS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Flow Control Device construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-00-541-2758, 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 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-541-2758
Primary Part Number23MA 3/4IN 1000PSI AIR/GAS
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAnderson Greenwood Lp Dba Anderson Greenwood Crosby
StatusACTIVE
Features ProvidedPRESSURE TIGHT OUTLET SIDE
Valve Operation MethodAUTOMATIC OR MANUAL
MaterialSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
Flow Control DeviceDISK
Disk Loading MethodSPRING
Connection StylePLAIN (PIPE) SECOND END
Opening Pressure Setting1170.0 POUNDS PER SQUARE INCH LBS
Media for Which DesignedAIR FIRST RESPONSE
MaterialCOPPER ALLOY BODY
Nominal Thread Size0.750 INCHES ALL ENDS IN
Thread Series DesignatorNPT ALL ENDS
Operating Pressure1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Style DesignatorANGLE
Bonnet Attachment MethodTHREADED
Bonnet TypeINSIDE SPRING
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Media for Which DesignedGAS, INERT SECOND RESPONSE
Valve Discharge Flow Rate1170.0 CUBIC FEET PER MINUTE
MaterialSTEEL CORROSION RESISTING STEM
Connection TypeTHREADED INTERNAL PIPE FIRST END
Maximum Operating Temp66.0 CELSIUS SINGLE RESPONSE DEGC
Thread DirectionRIGHT-HAND ALL ENDS
Connection StylePLAIN,OPTIONAL END(PIPE) FIRST END
Renewable Seat Ring TypeTHREADED
MaterialSTEEL CORROSION RESISTING SEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4820-00-202-748123-M 3/4 350PSI INTERCHANGEABLE
Valve,safety Relief
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
4820-00-202-7482 INTERCHANGEABLE
Valve,safety Relief
5935-00-242-1158FRE22952-2 INTERCHANGEABLE
Connector,receptacle,electrical
L3harris Technologies, Inc.
4130-01-032-29121305 INTERCHANGEABLE
Manifold,charging and Testing,re
Draf Industries, Inc
5310-01-546-1996 INTERCHANGEABLE
Washer,lock
Cross-Reference Index
Part NumberManufacturer
99651020271 Everllence France (FRA)
M23A3-4 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
98655202008 Everllence France (FRA)
23MA 3/4IN 1000PSI AIR/GAS PRIMARY Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
99-655-4095-05 Everllence France (FRA)
99-651-02-027-1 Everllence France (FRA)
M23A Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
Related Parts
4820-00-202-7481INTERCHANGEABLE
VALVE,SAFETY RELIEF
23-M 3/4 350PSI
4820-00-202-7482INTERCHANGEABLE
VALVE,SAFETY RELIEF
5935-00-242-1158INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
FRE22952-2
4130-01-032-2912INTERCHANGEABLE
MANIFOLD,CHARGING AND TESTING,RE
1305
5310-01-546-1996INTERCHANGEABLE
WASHER,LOCK

Frequently Asked Questions

What is NSN 4820-00-541-2758?

NSN 4820-00-541-2758 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 4820-00-541-2758?

NSN 4820-00-541-2758 has 7 cross-referenced part numbers: 99651020271 (Everllence France), M23A3-4 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 98655202008 (Everllence France), 23MA 3/4IN 1000PSI AIR/GAS (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 99-655-4095-05 (Everllence France) and 2 more.

What NSN replaces 4820-00-541-2758?

There are 5 known substitutes for 4820-00-541-2758: 4820-00-202-7481, 4820-00-202-7482, 5935-00-242-1158 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 23MA 3/4IN 1000PSI AIR/GAS?

Key specifications for 23MA 3/4IN 1000PSI AIR/GAS: Features Provided: PRESSURE TIGHT OUTLET SIDE; Valve Operation Method: AUTOMATIC OR MANUAL; Material: STEEL CORROSION RESISTING FLOW CONTROL DEVICE; Flow Control Device: DISK. 25 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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