The Collar,shaft, cataloged under National Stock Number 3040-01-294-1804, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Timken Gears & Services Inc. Div Philadelphia Gear. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-294-1804 |
| Primary Part Number | GA-555C |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Timken Gears & Services Inc. Div Philadelphia Gear |
| Status | ACTIVE |
| Style Designator | PLAIN ROUND |
| 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 |
|---|---|
| H-2797 PIECE 56 | Siemens Energy, Inc. (USA) |
| GA-555C PRIMARY | Timken Gears & Services Inc. Div Philadelphia Gear (USA) |
| Reference | Meaning |
|---|---|
| GA-555C | 3/9 Design control — primary reference Siemens Energy, Inc. |
| H-2797 | D/9 Drawing number reference only Siemens Energy, Inc. |
NSN 3040-01-294-1804 is a Collar,shaft, manufactured by Timken Gears & Services Inc. Div Philadelphia Gear, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-294-1804 has 2 manufacturer part numbers on file: H-2797 PIECE 56 (Siemens Energy, Inc.), GA-555C (Timken Gears & Services Inc. Div Philadelphia Gear).
Key specifications for GA-555C: Style Designator: PLAIN ROUND. 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.