The Valve,poppet,engine, cataloged under National Stock Number 2805-01-022-4255, 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 Dressta North America Ltd. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-01-022-4255 |
| Primary Part Number | 676970C1 |
| Item Name | Valve,poppet,engine |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Dressta North America Ltd |
| Status | ACTIVE |
| Head Height | 0.1870 INCHES NOMINAL IN |
| Seat Angle in Deg | 30.0 |
| Chamfer Length | 0.0310 INCHES NOMINAL IN |
| Neck Radius | 0.5000 INCHES NOMINAL IN |
| Groove Diameter | 0.3300 INCHES NOMINAL IN |
| Distance From Groove to Stem End | 0.3900 INCHES NOMINAL IN |
| Outside Diameter | 1.5210 INCHES NOMINAL IN |
| Stem Style | GROOVED |
| Head Style | FLAT |
| Carbon Relief Groove | NOT INCLUDED |
| Chamfer Angle in Deg | 45.0 |
| Material | STEEL OVERALL |
| Groove Width | 0.1000 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 |
|---|---|
| 676970C1 | Komatsu America Corp. (USA) |
| 676970C1 PRIMARY | Dressta North America Ltd (USA) |
| Reference | Meaning |
|---|---|
| 676970C1 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 676970C1 | 5/9 Secondary reference U.S. Government activity |
| 676970C1 | 3/9 Design control — primary reference Komatsu American Intl Co |
NSN 2805-01-022-4255 is a Valve,poppet,engine, manufactured by Dressta North America Ltd, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-01-022-4255 has 2 manufacturer part numbers on file: 676970C1 (Komatsu America Corp.), 676970C1 (Dressta North America Ltd).
Key specifications for 676970C1: Head Height: 0.1870 INCHES NOMINAL IN; Seat Angle in Deg: 30.0; Chamfer Length: 0.0310 INCHES NOMINAL IN; Neck Radius: 0.5000 INCHES NOMINAL IN. 13 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.