The Jacket,exhaust, cataloged under National Stock Number 2805-00-785-1669, is classified within Federal Supply Class 2805 (Gasoline Reciprocating Engines, Except Aircraft; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is R. R. Templeton Corp. Dba Ducarra Aviation. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2805-00-785-1669 |
| Primary Part Number | 23990 |
| Item Name | Jacket,exhaust |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | R. R. Templeton Corp. Dba Ducarra Aviation |
| Status | ACTIVE |
| General Characteristics Item Description | USED ON PE150-7 AND PE150-6-11 ENGINES,25.120 IN. LG,1.5 IN.,RADIUS,SEMICIRCULAR,WITH 4 SPACERS IRREGULARLY PLACED IN |
| 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 |
|---|---|
| 23990 PRIMARY | R. R. Templeton Corp. Dba Ducarra Aviation (USA) |
| Reference | Meaning |
|---|---|
| 7142704-30 | 5/9 Secondary reference U.S. Government activity |
NSN 2805-00-785-1669 is a Jacket,exhaust, manufactured by R. R. Templeton Corp. Dba Ducarra Aviation, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-785-1669 has 1 manufacturer part number on file: 23990 (R. R. Templeton Corp. Dba Ducarra Aviation).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-338-0351. Verify interchangeability with system specifications before substitution.
Key specifications for 23990: General Characteristics Item Description: USED ON PE150-7 AND PE150-6-11 ENGINES,25.120 IN. LG,1.5 IN.,RADIUS,SEMICIRCULAR,WITH 4 SPACERS IRREGULARLY PLACED 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.
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.