PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

137378Diaphragm,actuator Valve,special

Curtiss-Wright Controls, Inc. Div Actuation Division · NSN 2915-00-314-8144 · FSC 2915 · No Item Name Available
Verified by PartsTable
NSN 2915-00-314-8144 — this item is cataloged by the U.S. Government under National Stock Number 2915-00-314-8144. Primary manufacturer part number: 137378.
Features
  • Diaphragm,actuator Valve,special — FSC 2915
  • Style Designator: SPECIAL SHAPED
  • Bolt Hole Quantity: 6
  • Center Hole Diameter: 0.250 INCHES NOMINAL IN
  • Material: COPPER AND RUBBER SYNTHETIC
  • Media for Which Designed: FUEL, JET
  • Material Thickness: 0.013 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN
  • Bolt Circle Diameter: 1.800 INCHES NOMINAL IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper and Rubber Synthetic construction
General Description

The Diaphragm,actuator Valve,special, cataloged under National Stock Number 2915-00-314-8144, is classified within Federal Supply Class 2915 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Curtiss-Wright Controls, Inc. Div Actuation Division. Government technical data includes 12 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2915-00-314-8144
Primary Part Number137378
Item NameDiaphragm,actuator Valve,special
FSC / FSG2915 / 29 — No Item Name Available
ManufacturerCurtiss-Wright Controls, Inc. Div Actuation Division
StatusCANCELLED
Style DesignatorSPECIAL SHAPED
Bolt Hole Quantity6
Center Hole Diameter0.250 INCHES NOMINAL IN
MaterialCOPPER AND RUBBER SYNTHETIC
Media for Which DesignedFUEL, JET
Material Thickness0.013 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN
Bolt Circle Diameter1.800 INCHES NOMINAL IN
Hole Diameter0.156 INCHES NOMINAL IN
Bead Diameter1.030 INCHES NOMINAL IN
Pressure Rating90.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
Outside Diameter2.220 INCHES NOMINAL IN
Supplementary FeaturesDIAPHRAGM FOR IMPELLER INJECTION SPINNER DISCHARGE VALVE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
3110-00-100-0237 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Cross-Reference Index
Part NumberManufacturer
137378 PRIMARY Curtiss-Wright Controls, Inc. Div Actuation Division (USA)
Related Parts
3110-00-100-0237INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER

Frequently Asked Questions

What is NSN 2915-00-314-8144?

NSN 2915-00-314-8144 is a Diaphragm,actuator Valve,special, manufactured by Curtiss-Wright Controls, Inc. Div Actuation Division, classified under FSC 2915 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2915-00-314-8144?

NSN 2915-00-314-8144 has 1 cross-referenced part number: 137378 (Curtiss-Wright Controls, Inc. Div Actuation Division).

What NSN replaces 2915-00-314-8144?

There is 1 known substitute for 2915-00-314-8144: 3110-00-100-0237. Verify interchangeability with system specifications before substitution.

What are the specifications of 137378?

Key specifications for 137378: Style Designator: SPECIAL SHAPED; Bolt Hole Quantity: 6; Center Hole Diameter: 0.250 INCHES NOMINAL IN; Special Features: OVERALL HGT 0.37,CENTER HOLE THRU 0.07 IN. THK,2 HOLES 1.80 IN. ACROSS C-TO-C 0.125 IN. DIA; MATL 0.010 GAUGE TRICOT JERSEY NYLON COATED ON SIDE PER AMS3212 IN. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2915-00-314-8144 still in active supply?

NSN 2915-00-314-8144 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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