The Coupling Subassembly,governor, cataloged under National Stock Number 2915-01-018-2491, 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.
| Parameter | Value |
|---|---|
| NSN | 2915-01-018-2491 |
| Primary Part Number | 91949 |
| Item Name | Coupling Subassembly,governor |
| FSC / FSG | 2915 / 29 — No Item Name Available |
| Manufacturer | Triumph Engine Control Systems Llc |
| Status | ACTIVE |
| General Characteristics Item Description | STAINLESS STEEL,AMS5360,ROCKWELL C SCALE 53 MIN,60 MAX HARDNESS,0.764 IN. MIN,0.768 IN. MAX O/A LG,STEPPED OD,0.450 IN. NOM OD 1ST STEP 1ST END,0.093 IN. MIN,0.103 IN. MAX LG 1ST STEP 1ST END,0.623 IN. MIN,0.628 IN. MAX OD 2ND STEP 1ST END,0.202 IN. MIN,0.214 IN. MAX LG 2ND STEP 1ST END,0.5899 IN. MIN,0.5904 IN. MAX OD 1ST STEP 2ND END,0.457 IN. MIN,0.463 IN. MAX LG 1ST STEP 2ND END,1 GROOVE ON OD 1ST STEP 2ND END,0.555 IN. MIN,0.565 IN. MAX DP GROOVE,0.039 IN. MIN,0.042 IN. MAX W GROOVE,0.059 IN. MIN,0.071 IN. MAX DISTANCE FROM 2ND END TO GROOVE,45 DEG BY 0.030 IN. NOM LG CHAMFER ON OD 2ND END,1ST END,SLOTTED FACE,0.126 IN. MIN,0.128 IN. MAX W SLOT,0.135 IN. MIN,0.155 IN. MAX DP SLOT,0.450 IN. NOM LG SLOT,2ND END INTERNALLY SPLINED,8 TEETH,30 DEG PRESSURE ANGLE,0.3333 IN. NOM PITCH DIA,0.557 IN. MIN,0.570 IN. MAX LG SPLINES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 91949 PRIMARY | Triumph Engine Control Systems Llc (USA) |
NSN 2915-01-018-2491 is a Coupling Subassembly,governor, manufactured by Triumph Engine Control Systems Llc, classified under FSC 2915 (No Item Name Available). Status: active.
NSN 2915-01-018-2491 has 1 cross-referenced part number: 91949 (Triumph Engine Control Systems Llc).
There are 2 known substitutes for 2915-01-018-2491: 3830-00-362-7655, 2520-00-521-4879. Verify interchangeability with system specifications before substitution.
Key specifications for 91949: General Characteristics Item Description: STAINLESS STEEL,AMS5360,ROCKWELL C SCALE 53 MIN,60 MAX HARDNESS,0.764 IN. MIN,0.768 IN. MAX O/A LG,STEPPED OD,0.450 IN. NOM OD 1ST STEP 1ST END,0.093 IN. MIN,0.103 IN. MAX LG 1ST STEP 1ST END,0.623 IN. MIN,0.628 IN. MAX OD 2ND STEP 1ST END,0.202 IN. MIN,0.214 IN. MAX LG 2ND STEP 1ST END,0.5899 IN. MIN,0.5904 IN. MAX OD 1ST STEP 2ND END,0.457 IN. MIN,0.463 IN. MAX LG 1ST STEP 2ND END,1 GROOVE ON OD 1ST STEP 2ND END,0.555 IN. MIN,0.565 IN. MAX DP GROOVE,0.039 IN. MIN,0.042 IN. MAX W GROOVE,0.059 IN. MIN,0.071 IN. MAX DISTANCE FROM 2ND END TO GROOVE,45 DEG BY 0.030 IN. NOM LG CHAMFER ON OD 2ND END,1ST END,SLOTTED FACE,0.126 IN. MIN,0.128 IN. MAX W SLOT,0.135 IN. MIN,0.155 IN. MAX DP SLOT,0.450 IN. NOM LG SLOT,2ND END INTERNALLY SPLINED,8 TEETH,30 DEG PRESSURE ANGLE,0.3333 IN. NOM PITCH DIA,0.557 IN. MIN,0.570 IN. MAX LG SPLINES IN. 1 total characteristics are documented in the Federal Logistics Information System.