The Flyweight and Base,governor, cataloged under National Stock Number 2915-01-018-2488, is classified within Federal Supply Class 2915 (Engine Fuel System Components, Aircraft and Missile Prime Movers) of the Engine Accessories group. The manufacturer of record is Triumph Engine Control Systems Llc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2915-01-018-2488 |
| Primary Part Number | 91953 |
| Item Name | Flyweight and Base,governor |
| FSC / FSG | 2915 / 29 — Engine Fuel System Components, Aircraft and Missile Prime Movers |
| Manufacturer | Triumph Engine Control Systems Llc |
| Status | ACTIVE |
| General Characteristics Item Description | BASE,STAINLESS STEEL,AMS5630,ROCKWELL C SCALE 53 MIN,60 MAX HARDNESS,1.700 IN. O/A OD,RAISED AND SLOTTED FACE,0.4681 IN. MIN,0.4683 IN. MAX DIA BOSS,0.126 IN. MIN,0.128 IN. MAX W SLOT,0.290 IN. NOM DP SLOT,0.417 IN. MIN,0.423 IN. MAX LG SLOT,FLYWEIGHT,STAINLESS STEEL,AMS5630,IMMUNIZED FINISH,ROCKWELL C SCALE 53 MIN,60 MAX HARDNESS,0.663 IN. MIN,0.667 IN. MAX O/A W,0.237 IN. MIN,0.243 IN. MAX THK IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 91953 PRIMARY | Triumph Engine Control Systems Llc (USA) |
NSN 2915-01-018-2488 is a Flyweight and Base,governor, manufactured by Triumph Engine Control Systems Llc, classified under FSC 2915, Engine Fuel System Components, Aircraft and Missile Prime Movers. Status: active.
NSN 2915-01-018-2488 has 1 manufacturer part number on file: 91953 (Triumph Engine Control Systems Llc).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-266-1344. Verify interchangeability with system specifications before substitution.
Key specifications for 91953: General Characteristics Item Description: BASE,STAINLESS STEEL,AMS5630,ROCKWELL C SCALE 53 MIN,60 MAX HARDNESS,1.700 IN. O/A OD,RAISED AND SLOTTED FACE,0.4681 IN. MIN,0.4683 IN. MAX DIA BOSS,0.126 IN. MIN,0.128 IN. MAX W SLOT,0.290 IN. NOM DP SLOT,0.417 IN. MIN,0.423 IN. MAX LG SLOT,FLYWEIGHT,STAINLESS STEEL,AMS5630,IMMUNIZED FINISH,ROCKWELL C SCALE 53 MIN,60 MAX HARDNESS,0.663 IN. MIN,0.667 IN. MAX O/A W,0.237 IN. MIN,0.243 IN. MAX THK IN. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 2915-01-018-2488 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.