PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1230B1Valve,cylinder,gas

Superior Valve Co · NSN 8120-00-281-3801 · FSC 8120 · No Item Name Available
Verified by PartsTable
NSN 8120-00-281-3801 — this item is cataloged by the U.S. Government under National Stock Number 8120-00-281-3801. Primary manufacturer part number: 1230B1.
Features
  • Valve,cylinder,gas — FSC 8120
  • Nondefinitive Spec/std Data: V15-320-4 TYPE
  • First End Thread Pitch Diameters: +0.7750 TO 0.7786 INCHES IN
  • First End Style Designator: GASKET SEAL
  • First End Thread Direction: RIGHT-HAND
  • Second End Relationship with First End: NOT IDENTICAL
  • Special Markings: CARBON DIOXIDE
  • Flow Control Device: ANY ACCEPTABLE
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy 377 Body construction
General Description

The Valve,cylinder,gas, cataloged under National Stock Number 8120-00-281-3801, is classified within Federal Supply Class 8120 (No Item Name Available) of the Containers, Packaging, and Packing Supplies group. The primary manufacturer of record is Superior Valve Co. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN8120-00-281-3801
Primary Part Number1230B1
Item NameValve,cylinder,gas
FSC / FSG8120 / 81 — No Item Name Available
ManufacturerSuperior Valve Co
StatusCANCELLED
Nondefinitive Spec/std DataV15-320-4 TYPE
First End Thread Pitch Diameters+0.7750 TO 0.7786 INCHES IN
First End Style DesignatorGASKET SEAL
First End Thread DirectionRIGHT-HAND
Second End Relationship with First EndNOT IDENTICAL
Special MarkingsCARBON DIOXIDE
Flow Control DeviceANY ACCEPTABLE
Media for Which DesignedCARBON DIOXIDE
First End Connection TypeTHREADED EXTERNAL GAS CYLINDER
Temp Rating70.0 FAHRENHEIT DEGF
Furnished ItemsSAFETY DEVICE
Valve Operation MethodWHEEL
Operating Pressure2015.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Second End Thread Pitch Diameters+0.9677 TO 1.0157 INCHES IN
Second End Thread DirectionRIGHT-HAND
Body StyleANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS
End Connection Quantity2
Second End Connection TypeTHREADED EXTERNAL GAS CYLINDER
Material Document and ClassificationQQ-B-626, ALLOY 377 FED SPEC SINGLE MATERIAL RESPONSE BODY
MaterialCOPPER ALLOY 377 BODY
Second End Style DesignatorPLAIN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5331-00-640-9613012-711-70 INTERCHANGEABLE
O-Ring
Parker Hannifin Corporation Div O-Ring Division
Cross-Reference Index
Part NumberManufacturer
MV-3264-28-MC Harsco Corp Sherwood Div (USA)
MIL-DTL-2/15 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2532M-12A-3000 Thermo Valves Corp (USA)
TV-3264-28-MC Harsco Corp Sherwood Div (USA)
A-A-59860 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
MIL-V-2/15 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1230B1 PRIMARY Superior Valve Co (USA)
1100-A70A-2D Superior Valve Co (USA)
1200-A70A-2D Superior Valve Co (USA)
Related Parts
5331-00-640-9613INTERCHANGEABLE
O-RING
012-711-70

Frequently Asked Questions

What is NSN 8120-00-281-3801?

NSN 8120-00-281-3801 is a Valve,cylinder,gas, manufactured by Superior Valve Co, classified under FSC 8120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 8120-00-281-3801?

NSN 8120-00-281-3801 has 9 cross-referenced part numbers: MV-3264-28-MC (Harsco Corp Sherwood Div), MIL-DTL-2/15 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 2532M-12A-3000 (Thermo Valves Corp), TV-3264-28-MC (Harsco Corp Sherwood Div), A-A-59860 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC) and 4 more.

What NSN replaces 8120-00-281-3801?

There is 1 known substitute for 8120-00-281-3801: 5331-00-640-9613. Verify interchangeability with system specifications before substitution.

What are the specifications of 1230B1?

Key specifications for 1230B1: Nondefinitive Spec/std Data: V15-320-4 TYPE; First End Thread Pitch Diameters: +0.7750 TO 0.7786 INCHES IN; First End Style Designator: GASKET SEAL; First End Thread Direction: RIGHT-HAND. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 8120-00-281-3801 still in active supply?

NSN 8120-00-281-3801 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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