The Guide,valve Stem, cataloged under National Stock Number 2805-00-354-4358, 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 19 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-354-4358 |
| Primary Part Number | 145109E |
| Item Name | Guide,valve Stem |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Dresser, Llc |
| Status | ACTIVE |
| Shoulder Second Fillet Radius | 0.031 INCHES NOMINAL IN |
| FSC Application Data | ENGINE,GASOLINE,NON-AIRCRAFT |
| Aa End Chamfer Angle in Deg | 75.0 |
| Aa End Chamfer Length | 0.031 INCHES NOMINAL IN |
| Major Diameter Length | 0.156 INCHES NOMINAL IN |
| Bb End Shank Diameter | 0.875 INCHES NOMINAL IN |
| Style Designator | PLAIN-STEPPED SHOULDER |
| Bore Counterbore | NOT INCLUDED |
| Outside Diameter | 1.750 INCHES NOMINAL IN |
| Shoulder Diameter | 1.250 INCHES NOMINAL IN |
| Fillet Step Radius | 0.125 INCHES NOMINAL IN |
| Bb End Chamfer Length | 0.188 INCHES NOMINAL IN |
| Length From Aa End to Largest Diameter Face | 2.625 INCHES NOMINAL IN |
| Aa End Diameter | 0.876 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN |
| Bb End Chamfer Angle in Deg | 45.0 |
| Bore Diameter | 0.4980 INCHES MINIMUM AND 0.4990 INCHES MAXIMUM IN |
| Material | IRON CAST |
| Shoulder Length | 0.156 INCHES NOMINAL IN |
| Bore Countersink | NOT INCLUDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 2805-00-354-4358 is a Guide,valve Stem, manufactured by Dresser, Llc, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-354-4358 has 2 manufacturer part numbers on file: 5329285 (U S Army Tank Automotive Command Amsta-Im-Mm), 145109E (Dresser, Llc).
Key specifications for 145109E: Shoulder Second Fillet Radius: 0.031 INCHES NOMINAL IN; FSC Application Data: ENGINE,GASOLINE,NON-AIRCRAFT; Aa End Chamfer Angle in Deg: 75.0; Aa End Chamfer Length: 0.031 INCHES NOMINAL IN. 19 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.
NSN 2805-00-354-4358 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.