The Tappet,engine Poppet Valve, cataloged under National Stock Number 2805-00-025-3834, 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 Brinkley Technology Group Llc Dba Hercules Manufacturing. Government technical data includes 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2805-00-025-3834 |
| Primary Part Number | 60018BS |
| Item Name | Tappet,engine Poppet Valve |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Brinkley Technology Group Llc Dba Hercules Manufacturing |
| Status | ACTIVE |
| Cam End Diameter | 0.942 INCHES NOMINAL IN |
| Width Across Flats | 0.370 INCHES NOMINAL IN |
| Screw Thread Length | 0.812 INCHES NOMINAL IN |
| Concentric Hole Depth | 1.288 INCHES NOMINAL IN |
| Body Outside Diameter | 0.499 INCHES NOMINAL IN |
| Style Designator | INTERNAL THREAD AND WRENCHING FLATS PUSH ROD END |
| Flats Length | 0.491 INCHES NOMINAL IN |
| Adjustability | ADJUSTABLE |
| Cam End Height | 0.094 INCHES NOMINAL IN |
| Size Designation | STANDARD |
| Casehardening Indicator | NOT CASEHARDENED |
| Thread Size | 5/16-24 |
| Concentric Hole Diameter | 0.312 INCHES NOMINAL IN |
| Screw Thread Series Designator | UNF |
| Material | STEEL OVERALL |
| Adjusting Device | 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 |
|---|---|
| 60018BS PRIMARY | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| 60018AS | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| 60018AS | 5/9 Secondary reference Hercules Engine Co Inc |
| 60018BS | 5/9 Secondary reference Hercules Engine Co Inc |
NSN 2805-00-025-3834 is a Tappet,engine Poppet Valve, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-025-3834 has 2 manufacturer part numbers on file: 60018BS (Brinkley Technology Group Llc Dba Hercules Manufacturing), 60018AS (Brinkley Technology Group Llc Dba Hercules Manufacturing).
Key specifications for 60018BS: Cam End Diameter: 0.942 INCHES NOMINAL IN; Width Across Flats: 0.370 INCHES NOMINAL IN; Screw Thread Length: 0.812 INCHES NOMINAL IN; Concentric Hole Depth: 1.288 INCHES NOMINAL 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.