The Pin,piston, cataloged under National Stock Number 2805-00-528-6154, 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 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2805-00-528-6154 |
| Primary Part Number | 22238P005 |
| Item Name | Pin,piston |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Brinkley Technology Group Llc Dba Hercules Manufacturing |
| Status | ACTIVE |
| Countersink Angle in Deg | 30.0 |
| FSC Application Data | ENGINE,GASOLINE,NONAIRCRAFT |
| Body Style | CHAMFERED ENDS W/RADIAL SLOT |
| Bore Style | INSIDE CHAMFER AND TAPERED BORE |
| Distance From End to Slot Center | 1.750 INCHES MINIMUM AND 1.766 INCHES MAXIMUM IN |
| Material Document and Classification | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 1019 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1019 ASSN STD SINGLE MATERIAL RESPONSE |
| Groove Depth | 0.0460 INCHES NOMINAL IN |
| Outside Diameter | 0.94250 INCHES MINIMUM AND 0.97375 INCHES MAXIMUM IN |
| Radial Groove Radius | 0.188 INCHES NOMINAL IN |
| End Chamfer Angle in Deg | 30.0 |
| Body Length | 3.5156 INCHES NOMINAL IN |
| Taper Length | 1.5000 INCHES NOMINAL IN |
| Bore Smallest Diameter | 0.3750 INCHES NOMINAL IN |
| Casehardening Indicator | CASEHARDENED |
| Largest Bore Diameter | 0.7812 INCHES NOMINAL IN |
| Material | STEEL COMP 1019 |
| Metallic Hardness Rating | 62.5 NOMINAL ROCKWELL C |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 22238P005 PRIMARY | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| 22238P005 | 5/9 Secondary reference Hercules Engine Co Inc |
NSN 2805-00-528-6154 is a Pin,piston, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-528-6154 has 1 manufacturer part number on file: 22238P005 (Brinkley Technology Group Llc Dba Hercules Manufacturing).
Key specifications for 22238P005: Countersink Angle in Deg: 30.0; FSC Application Data: ENGINE,GASOLINE,NONAIRCRAFT; Body Style: CHAMFERED ENDS W/RADIAL SLOT; Bore Style: INSIDE CHAMFER AND TAPERED BORE. 17 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.
NSN 2805-00-528-6154 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.