The Pin,piston, cataloged under National Stock Number 2815-00-274-3454, 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 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2815-00-274-3454 |
| Primary Part Number | 86020B |
| Item Name | Pin,piston |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Brinkley Technology Group Llc Dba Hercules Manufacturing |
| Status | ACTIVE |
| Countersink Angle in Deg | 30.0 |
| FSC Application Data | ENGINE,DIESEL |
| Body Style | RADII ENDS |
| Radius | 0.016 INCHES NOMINAL IN |
| Bore Style | INSIDE CHAMFER STRAIGHT-THRU BORE |
| Material Document and Classification | MIL-S-890, CLASS B MIL SPEC SINGLE MATERIAL RESPONSE |
| Outside Diameter | 1.99980 INCHES MINIMUM AND 2.00000 INCHES MAXIMUM IN |
| Body Length | 4.6510 INCHES MINIMUM AND 4.6560 INCHES MAXIMUM IN |
| Casehardening Indicator | CASEHARDENED |
| Bore Diameter | 1.2500 INCHES NOMINAL IN |
| Material | STEEL |
| Metallic Hardness Rating | 62.5 NOMINAL ROCKWELL C |
| 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 |
|---|---|
| 86020B PRIMARY | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| 86020B | 5/9 Secondary reference Hercules Engine Co Inc |
NSN 2815-00-274-3454 is a Pin,piston, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-274-3454 has 1 manufacturer part number on file: 86020B (Brinkley Technology Group Llc Dba Hercules Manufacturing).
Key specifications for 86020B: Countersink Angle in Deg: 30.0; FSC Application Data: ENGINE,DIESEL; Body Style: RADII ENDS; Radius: 0.016 INCHES NOMINAL IN. 12 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.