The Guide,valve Stem, cataloged under National Stock Number 2815-00-678-6084, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Brinkley Technology Group Llc Dba Hercules Manufacturing. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-00-678-6084 |
| Primary Part Number | 255014A |
| Item Name | Guide,valve Stem |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Brinkley Technology Group Llc Dba Hercules Manufacturing |
| Status | ACTIVE |
| Countersink Angle in Deg | 45.0 |
| Width Across Flats | 0.531 INCHES NOMINAL IN |
| Major Diameter Length | 2.219 INCHES NOMINAL IN |
| Bb End Shank Diameter | 0.594 INCHES NOMINAL IN |
| Bore Counterbore | NOT INCLUDED |
| Outside Diameter | 0.6265 INCHES MINIMUM AND 0.6270 INCHES MAXIMUM IN |
| Countersink Length | 0.031 INCHES NOMINAL IN |
| Flats Length | 0.250 INCHES NOMINAL IN |
| Bb End Chamfer Length | 0.188 INCHES NOMINAL IN |
| Bb End Chamfer Angle in Deg | 60.0 |
| Bore Diameter | 0.3715 INCHES MINIMUM AND 0.3725 INCHES MAXIMUM IN |
| Material | IRON CAST |
| Bore Countersink | INCLUDED |
| Countersink Location | AA END |
| 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 |
|---|---|
| 255014A PRIMARY | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| 255014A | 5/9 Secondary reference Hercules Engine Co Inc |
NSN 2815-00-678-6084 is a Guide,valve Stem, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-678-6084 has 1 manufacturer part number on file: 255014A (Brinkley Technology Group Llc Dba Hercules Manufacturing).
Key specifications for 255014A: Countersink Angle in Deg: 45.0; Width Across Flats: 0.531 INCHES NOMINAL IN; Major Diameter Length: 2.219 INCHES NOMINAL IN; Bb End Shank Diameter: 0.594 INCHES NOMINAL IN. 14 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.