PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

77091Base Assembly,flyweight

Triumph Engine Control Systems Llc · NSN 2915-00-056-0528 · FSC 2915 · No Item Name Available
Verified by PartsTable
NSN 2915-00-056-0528 — this item is cataloged by the U.S. Government under National Stock Number 2915-00-056-0528. Primary manufacturer part number: 77091.
Features
  • Base Assembly,flyweight — FSC 2915
  • General Characteristics Item Description: STEEL ROCKWELL C 53-60
  • 1 verified cross-reference
  • Primary manufacturer: Triumph Engine Control Systems Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Base Assembly,flyweight, cataloged under National Stock Number 2915-00-056-0528, 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2915-00-056-0528
Primary Part Number77091
Item NameBase Assembly,flyweight
FSC / FSG2915 / 29 — No Item Name Available
ManufacturerTriumph Engine Control Systems Llc
StatusACTIVE
General Characteristics Item DescriptionSTEEL ROCKWELL C 53-60
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5305-00-252-5346113767 INTERCHANGEABLE
Screw,cap
Dressta North America Ltd
4720-01-032-7374 INTERCHANGEABLE
Hose Assembly,nonmetallic
4520-01-420-686377091 INTERCHANGEABLE
Heating Element,electrical,nonim
Indeeco Llc Dba Indeeco
5940-01-482-364877091-17 INTERCHANGEABLE
Marker Strip,terminal Board
L3harris Technologies, Inc. Div Space and Airborne Systems
Cross-Reference Index
Part NumberManufacturer
77091 PRIMARY Triumph Engine Control Systems Llc (USA)
Related Parts
5305-00-252-5346INTERCHANGEABLE
SCREW,CAP
113767
4720-01-032-7374INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4520-01-420-6863INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
77091
5940-01-482-3648INTERCHANGEABLE
MARKER STRIP,TERMINAL BOARD
77091-17

Frequently Asked Questions

What is NSN 2915-00-056-0528?

NSN 2915-00-056-0528 is a Base Assembly,flyweight, manufactured by Triumph Engine Control Systems Llc, classified under FSC 2915 (No Item Name Available). Status: active.

What are the part numbers for NSN 2915-00-056-0528?

NSN 2915-00-056-0528 has 1 cross-referenced part number: 77091 (Triumph Engine Control Systems Llc).

What NSN replaces 2915-00-056-0528?

There are 4 known substitutes for 2915-00-056-0528: 5305-00-252-5346, 4720-01-032-7374, 4520-01-420-6863 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 77091?

Key specifications for 77091: General Characteristics Item Description: STEEL ROCKWELL C 53-60. 1 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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