The Base Assembly,flyweight, cataloged under National Stock Number 2915-01-018-2489, 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 | 2915-01-018-2489 |
| Primary Part Number | 91952 |
| Item Name | Base Assembly,flyweight |
| 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 | ROCKWELL C SCALE 53 MIN,60 MAX HARDNESS,BASE,CRES,AMS5630,0.4681 IN. MIN,0.4683 IN. MAX OD 1ST END,0.440 IN. MIN,0.450 IN. MAX LG 1ST END,0.039 IN. MIN,0.042 IN. MAX W GROOVE ON 1ST END,0.4175 IN. MIN,0.4205 IN. MAX GROOVE DIA,0.126 IN. MIN,0.128 IN. MAX W SLOT ON 1ST END,0.290 IN. NOM SLOT DP,1.700 IN. NOM OD 2ND END,2 FLANGES 0.300 IN. NOM LG ON 2ND END,2 HOLES 0.1253 IN. MIN,0.1256 IN. MAX DIA THROUGH FLANGES,COUNTERBLANCE,CRES,AMS5630,0.250 IN. NOM BASIC OD,0.245 IN. MIN,0.255 IN MAX W BY 0.615 IN. MIN,0.625 IN. MAX OD END IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 91952 PRIMARY | Triumph Engine Control Systems Llc (USA) |
NSN 2915-01-018-2489 is a Base Assembly,flyweight, manufactured by Triumph Engine Control Systems Llc, classified under FSC 2915, Engine Fuel System Components, Aircraft and Missile Prime Movers. Status: active.
NSN 2915-01-018-2489 has 1 manufacturer part number on file: 91952 (Triumph Engine Control Systems Llc).
1 possible match (shared part number, not a government interchangeability claim): 5130-01-648-0660. Verify interchangeability with system specifications before substitution.
Key specifications for 91952: General Characteristics Item Description: ROCKWELL C SCALE 53 MIN,60 MAX HARDNESS,BASE,CRES,AMS5630,0.4681 IN. MIN,0.4683 IN. MAX OD 1ST END,0.440 IN. MIN,0.450 IN. MAX LG 1ST END,0.039 IN. MIN,0.042 IN. MAX W GROOVE ON 1ST END,0.4175 IN. MIN,0.4205 IN. MAX GROOVE DIA,0.126 IN. MIN,0.128 IN. MAX W SLOT ON 1ST END,0.290 IN. NOM SLOT DP,1.700 IN. NOM OD 2ND END,2 FLANGES 0.300 IN. NOM LG ON 2ND END,2 HOLES 0.1253 IN. MIN,0.1256 IN. MAX DIA THROUGH FLANGES,COUNTERBLANCE,CRES,AMS5630,0.250 IN. NOM BASIC OD,0.245 IN. MIN,0.255 IN MAX W BY 0.615 IN. MIN,0.625 IN. MAX OD END 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 2915-01-018-2489 has DEMIL Code Q. 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.