The Valve,poppet,engine, cataloged under National Stock Number 2815-00-649-8439, 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 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2815-00-649-8439 |
| Primary Part Number | 255010B |
| Item Name | Valve,poppet,engine |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Brinkley Technology Group Llc Dba Hercules Manufacturing |
| Status | ACTIVE |
| Stem Diameter | 0.3725 INCHES MINIMUM AND 0.3735 INCHES MAXIMUM IN |
| FSC Application Data | DIESEL ENGINE |
| Head Height | 0.1970 INCHES MINIMUM AND 0.2070 INCHES MAXIMUM IN |
| Stem Length | 5.1300 INCHES MINIMUM AND 5.1610 INCHES MAXIMUM IN |
| Seat Angle in Deg | 45.0 |
| Chamfer Length | 0.0312 INCHES NOMINAL IN |
| Neck Radius | 0.5625 INCHES NOMINAL IN |
| Groove Diameter | 0.3290 INCHES MINIMUM AND 0.3590 INCHES MAXIMUM IN |
| Metallic Hardness Rating and Location | 60.0 SHORE SCLEROSCOPE MINIMUM TIP |
| Distance From Groove to Stem End | 0.1750 INCHES MINIMUM AND 0.2000 INCHES MAXIMUM IN |
| Outside Diameter | 1.6825 INCHES MINIMUM AND 1.6925 INCHES MAXIMUM IN |
| Stem Style | GROOVED |
| Head Style | FLAT |
| Carbon Relief Groove | NOT INCLUDED |
| Chamfer Angle in Deg | 45.0 |
| Groove Width | 0.0950 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 255010B PRIMARY | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| 255010B | 5/9 Secondary reference Hercules Engine Co Inc |
NSN 2815-00-649-8439 is a Valve,poppet,engine, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-649-8439 has 1 manufacturer part number on file: 255010B (Brinkley Technology Group Llc Dba Hercules Manufacturing).
Key specifications for 255010B: Stem Diameter: 0.3725 INCHES MINIMUM AND 0.3735 INCHES MAXIMUM IN; FSC Application Data: DIESEL ENGINE; Head Height: 0.1970 INCHES MINIMUM AND 0.2070 INCHES MAXIMUM IN; Stem Length: 5.1300 INCHES MINIMUM AND 5.1610 INCHES MAXIMUM IN. 16 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.