The Pin,piston, cataloged under National Stock Number 2805-00-650-8221, 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 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2805-00-650-8221 |
| Primary Part Number | 43118A |
| 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 | 60.0 |
| Body Style | RADII ENDS |
| Radius | 0.016 INCHES NOMINAL IN |
| Bore Style | STRAIGHT-THRU BORE |
| Material Document and Classification | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 1020 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1020 ASSN STD SINGLE MATERIAL RESPONSE |
| Outside Diameter | 1.12450 INCHES MINIMUM AND 1.12470 INCHES MAXIMUM IN |
| Body Length | 3.4350 INCHES MINIMUM AND 3.4400 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Bore Diameter | 0.7187 INCHES NOMINAL IN |
| Material | STEEL COMP 1020 |
| 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 |
|---|---|
| 43118A PRIMARY | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| 43118A | 5/9 Secondary reference Hercules Engine Co Inc |
NSN 2805-00-650-8221 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 2805-00-650-8221 has 1 manufacturer part number on file: 43118A (Brinkley Technology Group Llc Dba Hercules Manufacturing).
Key specifications for 43118A: Countersink Angle in Deg: 60.0; Body Style: RADII ENDS; Radius: 0.016 INCHES NOMINAL IN; Bore Style: STRAIGHT-THRU BORE. 11 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.