The Guide,valve Stem, cataloged under National Stock Number 2805-00-701-1086, 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 17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-701-1086 |
| Item Name | Guide,valve Stem |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Status | ACTIVE |
| Shoulder Second Fillet Radius | 0.031 INCHES NOMINAL IN |
| Countersink Angle in Deg | 45.0 |
| Major Diameter Length | 0.062 INCHES NOMINAL IN |
| Taper Minor Diameter | 0.560 INCHES NOMINAL IN |
| Material Document and Classification | AMS 4845 ASSN STD SINGLE MATERIAL RESPONSE |
| Bore Counterbore | NOT INCLUDED |
| Outside Diameter | 0.750 INCHES NOMINAL IN |
| Countersink Length | 0.031 INCHES NOMINAL IN |
| Aa End Radius | 0.040 INCHES NOMINAL IN |
| Taper Length | 0.641 INCHES NOMINAL IN |
| Length From Aa End to Largest Diameter Face | 1.297 INCHES NOMINAL IN |
| Aa End Diameter | 0.6465 INCHES MINIMUM AND 0.6475 INCHES MAXIMUM IN |
| Bore Diameter | 0.4310 INCHES MINIMUM AND 0.4340 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 905 |
| Shoulder First Fillet Radius | 0.031 INCHES NOMINAL IN |
| Bore Countersink | INCLUDED |
| Countersink Location | BB END |
| 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 |
|---|---|
| 24047P020 | 3/9 Design control — primary reference Teledyne Industries Inc Teledyne Power Systems Div |
NSN 2805-00-701-1086 is a Guide,valve Stem, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
Key specifications for 2805-00-701-1086: Shoulder Second Fillet Radius: 0.031 INCHES NOMINAL IN; Countersink Angle in Deg: 45.0; Major Diameter Length: 0.062 INCHES NOMINAL IN; Taper Minor Diameter: 0.560 INCHES NOMINAL IN. 17 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.