The Piston,internal Combustion Engin, cataloged under National Stock Number 2805-00-358-0043, 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 Briggs and Stratton Corp. Government technical data includes 26 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 2805-00-358-0043 |
| Primary Part Number | 99950 |
| Item Name | Piston,internal Combustion Engin |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Briggs and Stratton Corp |
| Status | ACTIVE |
| Carbon Groove | NOT INCLUDED |
| Ring Groove Width | 0.0960 INCHES NOMINAL FIRST RING IN |
| Ring Groove Width | 0.0960 INCHES NOMINAL SECOND RING IN |
| Ring Groove Width | 0.1900 INCHES NOMINAL THIRD RING IN |
| Distance Between Pin Bosses | 1.312 INCHES NOMINAL IN |
| Retaining Ring Groove | INCLUDED |
| Surface Finish | FINISHED |
| Oil Passage Type | SLOT LOCATION NOT OTHERWISE SPECIFIED |
| Diameter | 3.010 INCHES NOMINAL IN |
| Ring Groove Diameter | 2.636 INCHES NOMINAL FIRST RING IN |
| Ring Groove Diameter | 2.636 INCHES NOMINAL SECOND RING IN |
| Ring Groove Diameter | 2.636 INCHES NOMINAL THIRD RING IN |
| Distance From Pin Hole Center to Extreme Top | 1.685 INCHES NOMINAL IN |
| Pin | NOT INCLUDED |
| Pin Type for Which Designed | FLOATING |
| Oil Groove | INCLUDED |
| Head Style | FLAT |
| Ring Groove Quantity | 3 |
| Oversize | 0.030 INCHES NOMINAL IN |
| Skirt Bottom Cutaway Feature | NOT INCLUDED |
| Finished Size Designation | OVERSIZE |
| Ring | INCLUDED |
| Pinhole Diameter | 0.7200 INCHES NOMINAL IN |
| Pin Hole Bushing | NOT INCLUDED |
| Material | ALUMINUM |
| Skirt Type | SOLID |
| 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 |
|---|---|
| 99950 PRIMARY | Briggs and Stratton Corp (USA) |
| Reference | Meaning |
|---|---|
| 69924 | 5/9 Secondary reference Briggs and Stratton Corp |
| 69924-1 | 5/9 Secondary reference Briggs and Stratton Corp |
| 99950-3 | 5/9 Secondary reference Briggs and Stratton Corp |
NSN 2805-00-358-0043 is a Piston,internal Combustion Engin, manufactured by Briggs and Stratton Corp, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-358-0043 has 1 manufacturer part number on file: 99950 (Briggs and Stratton Corp).
4 possible matches (shared part number, not a government interchangeability claim): 5996-01-023-7896, 7690-01-270-1400, 4820-01-457-8165. Verify interchangeability with system specifications before substitution.
Key specifications for 99950: Overall Height: 3.070 INCHES NOMINAL IN; Carbon Groove: NOT INCLUDED; Ring Groove Width: 0.0960 INCHES NOMINAL FIRST RING IN; Ring Groove Width: 0.0960 INCHES NOMINAL SECOND RING IN. 26 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.