The Guide,valve Stem, cataloged under National Stock Number 2805-01-388-0238, 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 9 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-01-388-0238 |
| Item Name | Guide,valve Stem |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Status | ACTIVE |
| Major Diameter Length | 0.360 INCHES NOMINAL IN |
| Bb End Shank Diameter | 1.625 INCHES NOMINAL IN |
| Style Designator | PLAIN FLANGED |
| Bore Counterbore | NOT INCLUDED |
| Outside Diameter | 1.635 INCHES NOMINAL IN |
| Bore Diameter | 1.5920 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| Metallic Hardness Rating | 48.0 MINIMUM ROCKWELL C AND 52.0 MAXIMUM ROCKWELL C |
| Bore Countersink | NOT INCLUDED |
| 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 |
|---|---|
| 13041N18-3 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| 13041N18-3 | 3/9 Design control — primary reference U.S. Government activity |
| 13042N18B | 5/9 Secondary reference U.S. Government activity |
NSN 2805-01-388-0238 is a Guide,valve Stem, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
Key specifications for 2805-01-388-0238: Major Diameter Length: 0.360 INCHES NOMINAL IN; Bb End Shank Diameter: 1.625 INCHES NOMINAL IN; Style Designator: PLAIN FLANGED; Overall Length: 3.310 INCHES NOMINAL IN. 9 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.