The Ring Set,piston, cataloged under National Stock Number 2805-00-569-8944, 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 U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-569-8944 |
| Primary Part Number | 8332538 |
| Item Name | Ring Set,piston |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Bore Diameter Oversize | 0.020 INCHES IN |
| Ring Set Component Parts | COMPRESSION RING,24617,16; OIL RING,24617,6 |
| Piston Accommodation Quantity | 6 |
| Standard Bore Diameter | 4.000 INCHES 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 |
|---|---|
| 2305354 | General Motors Corp (USA) |
| 8332538 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| M5017B | 5/9 Secondary reference Bosch Automotive Service Solutions Inc. |
| 2305354 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| 2305354 | 5/9 Secondary reference Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 |
| M5017B | 5/9 Secondary reference Spx Corp |
NSN 2805-00-569-8944 is a Ring Set,piston, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-569-8944 has 2 manufacturer part numbers on file: 2305354 (General Motors Corp), 8332538 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8332538: Bore Diameter Oversize: 0.020 INCHES IN; Ring Set Component Parts: COMPRESSION RING,24617,16; OIL RING,24617,6; Piston Accommodation Quantity: 6; Standard Bore Diameter: 4.000 INCHES IN. 4 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.