The Guide,valve Stem, cataloged under National Stock Number 2815-01-017-6482, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Astec America Inc.. Government technical data includes 13 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 | 2815-01-017-6482 |
| Primary Part Number | 354-18850 |
| Item Name | Guide,valve Stem |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Astec America Inc. |
| Status | ACTIVE |
| Major Diameter Length | 0.253 INCHES NOMINAL IN |
| Bb End Shank Diameter | 1.186 INCHES NOMINAL IN |
| Style Designator | PLAIN-SHOULDERED |
| Bore Counterbore | INCLUDED |
| Outside Diameter | 1.569 INCHES NOMINAL IN |
| Counterbore Depth | 0.380 INCHES NOMINAL IN |
| Counterbore Location | AA END |
| Counterbore Diameter | 0.938 INCHES NOMINAL IN |
| Length From Aa End to Largest Diameter Face | 1.125 INCHES NOMINAL IN |
| Aa End Diameter | 1.250 INCHES NOMINAL IN |
| Bore Diameter | 0.5620 INCHES NOMINAL IN |
| Material | STEEL |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 354-18850 PRIMARY | Astec America Inc. (USA) |
NSN 2815-01-017-6482 is a Guide,valve Stem, manufactured by Astec America Inc., classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-017-6482 has 1 manufacturer part number on file: 354-18850 (Astec America Inc.).
Key specifications for 354-18850: Major Diameter Length: 0.253 INCHES NOMINAL IN; Bb End Shank Diameter: 1.186 INCHES NOMINAL IN; Style Designator: PLAIN-SHOULDERED; Overall Length: 2.193 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.