PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

83490Cap,servo Valve

Triumph Engine Control Systems Llc · NSN 2915-00-944-8521 · FSC 2915 · No Item Name Available
Verified by PartsTable
NSN 2915-00-944-8521 — this item is cataloged by the U.S. Government under National Stock Number 2915-00-944-8521. Primary manufacturer part number: 83490.
Features
  • Cap,servo Valve — FSC 2915
  • General Characteristics Item Description: THREADED AND PART OF COVER ASSY P/N 86735,CONNECTS TO PACKING,PREFORMED P/N MS29513-019
  • 1 verified cross-reference
  • Primary manufacturer: Triumph Engine Control Systems Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Cap,servo Valve, cataloged under National Stock Number 2915-00-944-8521, is classified within Federal Supply Class 2915 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Triumph Engine Control Systems Llc. Government technical data includes 1 verified specification, 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2915-00-944-8521
Primary Part Number83490
Item NameCap,servo Valve
FSC / FSG2915 / 29 — No Item Name Available
ManufacturerTriumph Engine Control Systems Llc
StatusACTIVE
General Characteristics Item DescriptionTHREADED AND PART OF COVER ASSY P/N 86735,CONNECTS TO PACKING,PREFORMED P/N MS29513-019
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4310-00-267-02986633 INTERCHANGEABLE
Filter Element,intake Air Cleane
Tescom Corp Dba Tescom Div Tescom
6850-01-313-1178416029 INTERCHANGEABLE
Silicone Compound
Loctite Corp
Cross-Reference Index
Part NumberManufacturer
83490 PRIMARY Triumph Engine Control Systems Llc (USA)
Related Parts
4310-00-267-0298INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
6633
6850-01-313-1178INTERCHANGEABLE
SILICONE COMPOUND
416029

Frequently Asked Questions

What is NSN 2915-00-944-8521?

NSN 2915-00-944-8521 is a Cap,servo Valve, manufactured by Triumph Engine Control Systems Llc, classified under FSC 2915 (No Item Name Available). Status: active.

What are the part numbers for NSN 2915-00-944-8521?

NSN 2915-00-944-8521 has 1 cross-referenced part number: 83490 (Triumph Engine Control Systems Llc).

What NSN replaces 2915-00-944-8521?

There are 2 known substitutes for 2915-00-944-8521: 4310-00-267-0298, 6850-01-313-1178. Verify interchangeability with system specifications before substitution.

What are the specifications of 83490?

Key specifications for 83490: End Item Identification: T53 MFR 2915-01-216-9779; General Characteristics Item Description: THREADED AND PART OF COVER ASSY P/N 86735,CONNECTS TO PACKING,PREFORMED P/N MS29513-019. 2 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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