The Guide,valve Stem, cataloged under National Stock Number 2815-00-930-5791, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Agco Corp Parts Opn. Government technical data includes 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-00-930-5791 |
| Primary Part Number | 4020682 |
| Item Name | Guide,valve Stem |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Agco Corp Parts Opn |
| Status | ACTIVE |
| Aa End Chamfer Angle in Deg | 45.0 |
| Aa End Chamfer Length | 0.094 INCHES NOMINAL IN |
| Major Diameter Length | 1.000 INCHES NOMINAL IN |
| Bb End Shank Diameter | 0.589 INCHES NOMINAL IN |
| Style Designator | PLAIN-SHOULDERED |
| Bore Counterbore | NOT INCLUDED |
| Outside Diameter | 0.627 INCHES NOMINAL IN |
| Bb End Chamfer Length | 0.062 INCHES NOMINAL IN |
| Length From Aa End to Largest Diameter Face | 0.820 INCHES NOMINAL IN |
| Aa End Diameter | 0.620 INCHES NOMINAL IN |
| Bb End Chamfer Angle in Deg | 60.0 |
| Bore Diameter | 0.3760 INCHES NOMINAL IN |
| Material | STEEL |
| Shoulder First Fillet Radius | 0.125 INCHES NOMINAL IN |
| 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 |
|---|---|
| 4020682 PRIMARY | Agco Corp Parts Opn (USA) |
| G955 | Trw Inc Trw Intl Trade Government Sales Dept (USA) |
| Reference | Meaning |
|---|---|
| 4020682 | C/1 Advisory reference — outside the item-of-supply concept Minnpar, Llc Dba Minnpar |
| 4020682 | 5/9 Secondary reference Barber-Greene Co |
NSN 2815-00-930-5791 is a Guide,valve Stem, manufactured by Agco Corp Parts Opn, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-930-5791 has 2 manufacturer part numbers on file: 4020682 (Agco Corp Parts Opn), G955 (Trw Inc Trw Intl Trade Government Sales Dept).
Key specifications for 4020682: Aa End Chamfer Angle in Deg: 45.0; Aa End Chamfer Length: 0.094 INCHES NOMINAL IN; Major Diameter Length: 1.000 INCHES NOMINAL IN; Bb End Shank Diameter: 0.589 INCHES NOMINAL IN. 15 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.