The Ring,piston, cataloged under National Stock Number 2805-00-274-3338, 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 6 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-274-3338 |
| Primary Part Number | 3806ASTD |
| Item Name | Ring,piston |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Brinkley Technology Group Llc Dba Hercules Manufacturing |
| Status | ACTIVE |
| FSC Application Data | GASOLINE ENGINE,NONAIRCRAFT |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Radial Wall Thickness | 0.1450 INCHES NOMINAL IN |
| Ring Style | CONCENTRIC |
| Standard Bore Diameter | 3.250 INCHES IN |
| Material | IRON OVERALL |
| 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 |
|---|---|
| 3806ASTD PRIMARY | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| 3806A | Hyster-Yale Group, Inc. (USA) |
| 3806A PRIMARY | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| 51700B | Hyster-Yale Group, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HB428 | 5/9 Secondary reference Bosch Automotive Service Solutions Inc. |
| H3806A | 5/9 Secondary reference Linde Lift Truck Corp. |
| 3806ASTD | 5/9 Secondary reference Hercules Engine Co Inc |
| H3806A | C/1 Advisory reference — outside the item-of-supply concept Linde Material Handling North America Corporation |
| 3806A | 5/9 Secondary reference Hercules Engine Co Inc |
| HB428 | 5/9 Secondary reference Spx Corp |
NSN 2805-00-274-3338 is a Ring,piston, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-274-3338 has 4 manufacturer part numbers on file: 3806ASTD (Brinkley Technology Group Llc Dba Hercules Manufacturing), 3806A (Hyster-Yale Group, Inc.), 3806A (Brinkley Technology Group Llc Dba Hercules Manufacturing), 51700B (Hyster-Yale Group, Inc.).
Key specifications for 3806ASTD: FSC Application Data: GASOLINE ENGINE,NONAIRCRAFT; Overall Width: 0.1235 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM IN; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE; Radial Wall Thickness: 0.1450 INCHES NOMINAL IN. 6 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.