The Counterweight,front Outer, cataloged under National Stock Number 2810-01-009-8290, is classified within Federal Supply Class 2810 (Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 2 specifications, 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. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2810-01-009-8290 |
| Primary Part Number | 233789 |
| Item Name | Counterweight,front Outer |
| FSC / FSG | 2810 / 28 — Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components |
| Manufacturer | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL AMS6415,SILVER PLATE AMS2412,13.860 IN. MIN,13.880 IN. MAX LG,6.300 IN. MIN,6.320 IN. MAX W,1.290 IN. MIN,1.310 IN. MAX THK O/A DIM IN |
| Precious Material | SILVER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 233789 PRIMARY | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN) |
NSN 2810-01-009-8290 is a Counterweight,front Outer, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 2810, Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components. Status: active.
NSN 2810-01-009-8290 has 1 manufacturer part number on file: 233789 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).
3 possible matches (shared part number, not a government interchangeability claim): 5340-01-578-0228, 5340-01-578-0234, 5340-01-588-7836. Verify interchangeability with system specifications before substitution.
Key specifications for 233789: General Characteristics Item Description: STEEL AMS6415,SILVER PLATE AMS2412,13.860 IN. MIN,13.880 IN. MAX LG,6.300 IN. MIN,6.320 IN. MAX W,1.290 IN. MIN,1.310 IN. MAX THK O/A DIM IN; Precious Material: SILVER; End Item Identification: ACFT ENG R2800. 2 specifications are 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.
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.