The Pin,piston, cataloged under National Stock Number 2815-00-817-9871, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Hatch & Kirk, Inc.. Government technical data includes 18 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-00-817-9871 |
| Primary Part Number | 8269842 |
| Item Name | Pin,piston |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Hatch & Kirk, Inc. |
| Status | ACTIVE |
| Countersink Angle in Deg | 30.0 |
| FSC Application Data | ENGINE,DIESEL |
| Body Style | CHAMFERED ENDS |
| Hole Arrangement Style | TWO HOLES THRU ONE SIDE OF BORE |
| Bore Style | INSIDE CHAMFER STRAIGHT-THRU BORE |
| Hole Depth | 0.8430 INCHES NOMINAL IN |
| First Hole Diameter | 0.875 INCHES NOMINAL IN |
| Material Document and Classification | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 8620 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 8620 ASSN STD SINGLE MATERIAL RESPONSE |
| Outside Diameter | 3.68400 INCHES MINIMUM AND 3.68500 INCHES MAXIMUM IN |
| Second Hole Diameter | 0.875 INCHES NOMINAL IN |
| End Chamfer Angle in Deg | 45.0 |
| Body Length | 6.1150 INCHES MINIMUM AND 6.1350 INCHES MAXIMUM IN |
| Center to Center Distance Between Holes | 2.4950 INCHES MINIMUM AND 2.5050 INCHES MAXIMUM IN |
| Casehardening Indicator | CASEHARDENED |
| Bore Diameter | 2.0000 INCHES NOMINAL IN |
| Material | STEEL COMP 8620 |
| Metallic Hardness Rating | 58.0 NOMINAL ROCKWELL C |
| Distance From Centerline of Hole to End of Pin | 1.812 INCHES NOMINAL 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 |
|---|---|
| 8269842 PRIMARY | Hatch & Kirk, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 8269842 | 5/9 Secondary reference General Motors Corp |
| 8269842 | 3/9 Design control — primary reference General Motors Corp Electro-Motive Div |
| 8269842 | 5/9 Secondary reference Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc |
NSN 2815-00-817-9871 is a Pin,piston, manufactured by Hatch & Kirk, Inc., classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-817-9871 has 1 manufacturer part number on file: 8269842 (Hatch & Kirk, Inc.).
Key specifications for 8269842: Countersink Angle in Deg: 30.0; FSC Application Data: ENGINE,DIESEL; Body Style: CHAMFERED ENDS; Hole Arrangement Style: TWO HOLES THRU ONE SIDE OF BORE. 18 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.