The Spring,expander,piston Ring, cataloged under National Stock Number 2805-00-741-0849, 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 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-741-0849 |
| Primary Part Number | 7410849 |
| Item Name | Spring,expander,piston Ring |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| General Characteristics Item Description | 2.406 IN. MIN 7.250 IN. MAX DIA,OPERATING RANGEFROM 8.438 IN. TO 2.000 IN. 60 CYLES PER MINUTE 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 |
|---|---|
| 7410849 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 374800 | 3/9 Design control — primary reference Bendix Corp the Brake and Steering Div |
| 69554R1 | 5/2 Secondary reference U.S. Government activity |
NSN 2805-00-741-0849 is a Spring,expander,piston Ring, 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 2805-00-741-0849 has 1 manufacturer part number on file: 7410849 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7410849: General Characteristics Item Description: 2.406 IN. MIN 7.250 IN. MAX DIA,OPERATING RANGEFROM 8.438 IN. TO 2.000 IN. 60 CYLES PER MINUTE IN. 1 specification is 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.