The Valve,poppet,engine, cataloged under National Stock Number 2805-00-679-3172, is classified within Federal Supply Class 2805 (Gasoline Reciprocating Engines, Except Aircraft; and Components) of the Engines, Turbines, and Components group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-679-3172 |
| Item Name | Valve,poppet,engine |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Status | ACTIVE |
| Stem Diameter | 0.3410 INCHES NOMINAL IN |
| Head Height | 0.1875 INCHES NOMINAL IN |
| Second Groove Width | 0.0938 INCHES NOMINAL IN |
| Stem Length | 4.9844 INCHES NOMINAL IN |
| Seat Angle in Deg | 30.0 |
| Chamfer Length | 0.0312 INCHES NOMINAL IN |
| Neck Radius | 0.4062 INCHES NOMINAL IN |
| Outside Diameter | 1.8594 INCHES NOMINAL IN |
| Distance From First Groove to Stem End | 0.2820 INCHES NOMINAL IN |
| Stem Style | DOUBLE GROOVED |
| First Groove Diameter | 0.3030 INCHES NOMINAL IN |
| Head Style | FLAT |
| Distance From Second Groove to Stem End | 0.5260 INCHES NOMINAL IN |
| Carbon Relief Groove | NOT INCLUDED |
| Chamfer Angle in Deg | 45.0 |
| Second Groove Diameter | 0.3040 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| First Groove Width | 0.1250 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 |
| Reference | Meaning |
|---|---|
| 2304149 | 3/9 Design control — primary reference Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 |
| V1760N | 5/9 Secondary reference Mcquay-Norris Inc Oem Div an Skf Industries Co |
| I-483 | 5/9 Secondary reference U.S. Government activity |
| 2304149 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| 2304149 | 5/9 Secondary reference General Motors Corp |
NSN 2805-00-679-3172 is a Valve,poppet,engine, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
Key specifications for 2805-00-679-3172: Stem Diameter: 0.3410 INCHES NOMINAL IN; Head Height: 0.1875 INCHES NOMINAL IN; Second Groove Width: 0.0938 INCHES NOMINAL IN; Stem Length: 4.9844 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.