PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

511114Diaphragm,actuator Valve,special

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 2915-00-925-1028 · FSC 2915 · No Item Name Available
Verified by PartsTable
NSN 2915-00-925-1028 — this item is cataloged by the U.S. Government under National Stock Number 2915-00-925-1028. Primary manufacturer part number: 511114.
Features
  • Diaphragm,actuator Valve,special — FSC 2915
  • Material: RUBBER SILICONE AND GLASS FIBER
  • Material Thickness: 0.020 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN
  • Media for Which Designed: AIR
  • Outside Diameter: 3.620 INCHES NOMINAL IN
  • Style Designator: SPECIAL SHAPED
  • Bead Diameter: 2.700 INCHES NOMINAL IN
  • Bolt Circle Diameter: 3.500 INCHES NOMINAL IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Rubber Silicone and Glass Fiber construction
General Description

The Diaphragm,actuator Valve,special, cataloged under National Stock Number 2915-00-925-1028, is classified within Federal Supply Class 2915 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2915-00-925-1028
Primary Part Number511114
Item NameDiaphragm,actuator Valve,special
FSC / FSG2915 / 29 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
MaterialRUBBER SILICONE AND GLASS FIBER
Material Thickness0.020 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN
Media for Which DesignedAIR
Outside Diameter3.620 INCHES NOMINAL IN
Style DesignatorSPECIAL SHAPED
Bead Diameter2.700 INCHES NOMINAL IN
Bolt Circle Diameter3.500 INCHES NOMINAL IN
Outside Corner Radius0.250 INCHES NOMINAL IN
Bolt Hole Quantity6
Hole Diameter0.214 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2520-00-734-83645-1-1114 INTERCHANGEABLE
Flange Asy
Dana Corp Spicer Transmission Div
5120-01-398-7722 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
511114 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
511114 Agc Acquisition Llc Div Agc Acquisiton Llc (USA)
Related Parts
2520-00-734-8364INTERCHANGEABLE
FLANGE ASY
5-1-1114
5120-01-398-7722INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 2915-00-925-1028?

NSN 2915-00-925-1028 is a Diaphragm,actuator Valve,special, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 2915 (No Item Name Available). Status: active.

What are the part numbers for NSN 2915-00-925-1028?

NSN 2915-00-925-1028 has 2 cross-referenced part numbers: 511114 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 511114 (Agc Acquisition Llc Div Agc Acquisiton Llc).

What NSN replaces 2915-00-925-1028?

There are 2 known substitutes for 2915-00-925-1028: 2520-00-734-8364, 5120-01-398-7722. Verify interchangeability with system specifications before substitution.

What are the specifications of 511114?

Key specifications for 511114: Material: RUBBER SILICONE AND GLASS FIBER; Material Thickness: 0.020 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN; Media for Which Designed: AIR; Outside Diameter: 3.620 INCHES NOMINAL IN. 12 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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