The Valve,poppet,engine, cataloged under National Stock Number 2805-00-902-4126, 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 27 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-902-4126 |
| Primary Part Number | 6414524 |
| Item Name | Valve,poppet,engine |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Brinkley Technology Group Llc Dba Hercules Manufacturing |
| Status | ACTIVE |
| Stem Diameter | 0.4955 INCHES MINIMUM AND 0.4965 INCHES MAXIMUM IN |
| FSC Application Data | GASOLINE ENGINE |
| Head Height | 0.1950 INCHES MINIMUM AND 0.2020 INCHES MAXIMUM IN |
| Stem Length | 6.0380 INCHES MINIMUM AND 6.0750 INCHES MAXIMUM IN |
| Seat Angle in Deg | 45.0 |
| Chamfer Length | 0.0312 INCHES NOMINAL IN |
| Neck Radius | 0.3750 INCHES NOMINAL IN |
| Groove Diameter | 0.3380 INCHES MINIMUM AND 0.3420 INCHES MAXIMUM IN |
| Minor Outside Diameter | 0.4590 INCHES MINIMUM AND 0.4790 INCHES MAXIMUM IN |
| Metallic Hardness Rating and Location | 28.0 ROCKWELL C MINIMUM HEAD |
| Metallic Hardness Rating and Location | 28.0 ROCKWELL C MINIMUM STEM |
| Metallic Hardness Rating and Location | 35.0 ROCKWELL C MAXIMUM HEAD |
| Metallic Hardness Rating and Location | 35.0 ROCKWELL C MAXIMUM STEM |
| Metallic Hardness Rating and Location | 43.0 ROCKWELL C MINIMUM TIP |
| Material Document and Classification | EASTON YALE AND TOWNE INC EMS210 MFR REF SINGLE MATERIAL RESPONSE HEAD |
| Material Document and Classification | EASTON YALE AND TOWNE INC EMS33 MFR REF SINGLE MATERIAL RESPONSE STEM |
| Distance From Groove to Stem End | 0.2000 INCHES MINIMUM AND 0.2020 INCHES MAXIMUM IN |
| Outside Diameter | 2.3700 INCHES MINIMUM AND 2.3800 INCHES MAXIMUM IN |
| Taper Angle in Deg | 15.0 |
| Head Style | CONCAVE |
| Distance From Minor Diameter to Stem End | 0.4810 INCHES MINIMUM AND 0.5130 INCHES MAXIMUM IN |
| Carbon Relief Groove | NOT INCLUDED |
| Minor Diameter Length | 0.1460 INCHES MINIMUM AND 0.1660 INCHES MAXIMUM IN |
| Chamfer Angle in Deg | 45.0 |
| Material | STEEL HEAD |
| Material | STEEL STEM |
| Groove Width | 0.1350 INCHES MINIMUM AND 0.1450 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 |
|---|---|
| 6414524B | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| 6414524 PRIMARY | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| 6414524 | 5/9 Secondary reference Hercules Engine Co Inc |
| XC34863 | 5/9 Secondary reference U.S. Government activity |
| 6414524B | 5/9 Secondary reference Hercules Engine Co Inc |
NSN 2805-00-902-4126 is a Valve,poppet,engine, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-902-4126 has 2 manufacturer part numbers on file: 6414524B (Brinkley Technology Group Llc Dba Hercules Manufacturing), 6414524 (Brinkley Technology Group Llc Dba Hercules Manufacturing).
Key specifications for 6414524: Stem Diameter: 0.4955 INCHES MINIMUM AND 0.4965 INCHES MAXIMUM IN; FSC Application Data: GASOLINE ENGINE; Head Height: 0.1950 INCHES MINIMUM AND 0.2020 INCHES MAXIMUM IN; Stem Length: 6.0380 INCHES MINIMUM AND 6.0750 INCHES MAXIMUM IN. 27 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.