PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A22612Valve,safety Relief

Superior Air Products Co · NSN 4820-00-068-1610 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-068-1610 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-068-1610. Primary manufacturer part number: A22612.
Features
  • Valve,safety Relief — FSC 4820
  • Valve Operation Method: AUTOMATIC
  • Disk Loading Method: SPRING
  • Connection Style: PLAIN (PIPE) FIRST END
  • Connection Style: PLAIN,OPTIONAL END(PIPE) SECOND END
  • Bonnet Type: INSIDE SPRING
  • Flow Control Device: POPPET
  • Material Document and Classification: QQ-C-390,ALLOYB5/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Flow Control Device construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-00-068-1610, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Superior Air Products Co. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, 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
NSN4820-00-068-1610
Primary Part NumberA22612
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSuperior Air Products Co
StatusACTIVE
Valve Operation MethodAUTOMATIC
Disk Loading MethodSPRING
Connection StylePLAIN (PIPE) FIRST END
Connection StylePLAIN,OPTIONAL END(PIPE) SECOND END
Bonnet TypeINSIDE SPRING
Flow Control DevicePOPPET
Material Document and ClassificationQQ-C-390,ALLOYB5/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY
Nominal Thread Size0.750 INCHES SECOND END IN
Features ProvidedVALVE STEM LOCK SHIELD
Thread Series DesignatorNPT ALL ENDS
MaterialCOPPER ALLOY FLOW CONTROL DEVICE
Style DesignatorANGLE
Bonnet Attachment MethodTHREADED
Maximum Operating Temp406.0 FAHRENHEIT SINGLE RESPONSE DEGF
Opening Pressure Setting15.0 POUNDS PER SQUARE INCH LBS
MaterialCOPPER ALLOY 836 BODY
Nominal Thread Size0.500 INCHES FIRST END IN
Thread DirectionRIGHT-HAND ALL ENDS
Valve Discharge Flow Rate20.0 CUBIC FEET PER MINUTE
MaterialSTEEL STEM
Media for Which DesignedFUEL/OIL, HYDROCARBON SINGLE RESPONSE
MaterialCOPPER ALLOY 836 SEAT
Material Document and ClassificationQQ-C-390,ALLOYB5/D/ FED SPEC SINGLE MATERIAL RESPONSE SEAT
Operating Pressure250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4820-01-418-6571149 1/2IN INTERCHANGEABLE
Valve,gate
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
Cross-Reference Index
Part NumberManufacturer
2550-1-2-15 Crane Co Div Valve Div (USA)
A22612 PRIMARY Superior Air Products Co (USA)
149-1/2IN Jayco Incorporated (USA)
149 Crane Co Div Valve Div (USA)
Related Parts
4820-01-418-6571INTERCHANGEABLE
VALVE,GATE
149 1/2IN

Frequently Asked Questions

What is NSN 4820-00-068-1610?

NSN 4820-00-068-1610 is a Valve,safety Relief, manufactured by Superior Air Products Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-068-1610?

NSN 4820-00-068-1610 has 4 cross-referenced part numbers: 2550-1-2-15 (Crane Co Div Valve Div), A22612 (Superior Air Products Co), 149-1/2IN (Jayco Incorporated), 149 (Crane Co Div Valve Div).

What NSN replaces 4820-00-068-1610?

There is 1 known substitute for 4820-00-068-1610: 4820-01-418-6571. Verify interchangeability with system specifications before substitution.

What are the specifications of A22612?

Key specifications for A22612: Valve Operation Method: AUTOMATIC; Disk Loading Method: SPRING; Connection Style: PLAIN (PIPE) FIRST END; Connection Style: PLAIN,OPTIONAL END(PIPE) SECOND END. 24 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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