The Valve,poppet,engine, cataloged under National Stock Number 2805-00-371-5765, 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 Dresser, Llc. Government technical data includes 18 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-371-5765 |
| Primary Part Number | 121236C |
| Item Name | Valve,poppet,engine |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Dresser, Llc |
| Status | ACTIVE |
| Stem Diameter | 0.3090 INCHES MINIMUM AND 0.3100 INCHES MAXIMUM IN |
| FSC Application Data | GASOLINE ENGINE |
| Head Height | 0.1875 INCHES NOMINAL IN |
| Stem Length | 3.1963 INCHES NOMINAL IN |
| Seat Angle in Deg | 45.0 |
| Chamfer Length | 0.0312 INCHES NOMINAL IN |
| Neck Radius | 0.3125 INCHES NOMINAL IN |
| Groove Diameter | 0.2180 INCHES MINIMUM AND 0.2220 INCHES MAXIMUM IN |
| Metallic Hardness Rating and Location | 60.0 SHORE SCLEROSCOPE MINIMUM TIP |
| Metallic Hardness Rating and Location | 40.0 ROCKWELL C MAXIMUM STEM |
| Metallic Hardness Rating and Location | 30.0 ROCKWELL C MINIMUM STEM |
| Distance From Groove to Stem End | 0.1410 INCHES MINIMUM AND 0.1430 INCHES MAXIMUM IN |
| Outside Diameter | 0.9375 INCHES NOMINAL IN |
| Stem Style | GROOVED |
| Head Style | MUSHROOM |
| Carbon Relief Groove | NOT INCLUDED |
| Chamfer Angle in Deg | 45.0 |
| Groove Width | 0.2780 INCHES NOMINAL 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 |
|---|---|
| 121236C PRIMARY | Dresser, Llc (USA) |
NSN 2805-00-371-5765 is a Valve,poppet,engine, manufactured by Dresser, Llc, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-371-5765 has 1 manufacturer part number on file: 121236C (Dresser, Llc).
Key specifications for 121236C: Stem Diameter: 0.3090 INCHES MINIMUM AND 0.3100 INCHES MAXIMUM IN; FSC Application Data: GASOLINE ENGINE; Head Height: 0.1875 INCHES NOMINAL IN; Stem Length: 3.1963 INCHES NOMINAL IN. 18 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.