The Carburetor,float, cataloged under National Stock Number 2910-01-026-3995, is classified within Federal Supply Class 2910 (Engine Fuel System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Kalmar AC Inc. Government technical data includes 15 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2910-01-026-3995 |
| Primary Part Number | 74915890-3 |
| Item Name | Carburetor,float |
| FSC / FSG | 2910 / 29 — Engine Fuel System Components, Nonaircraft |
| Manufacturer | Kalmar AC Inc |
| Status | ACTIVE |
| Float Chamber Quantity | 1 |
| Air Inlet Connection Type | CIRCULAR CLAMP-ON |
| Degasser | NOT INCLUDED |
| Automatic Choke | NOT INCLUDED |
| Inverted Flight Valve | NOT INCLUDED |
| Fuel Outlet Flange Shape | OVAL |
| Barrel Quantity | 1 |
| Fuel Outlet Flange Quantity | 1 |
| Accelerating Pump | INCLUDED |
| Draft Direction | DOWN |
| Governor | NOT INCLUDED |
| Vacuum Economizer | NOT INCLUDED |
| Float Type | SINGLE |
| Air Inlet Shape | STRAIGHT |
| Fording Feature | NOT INCLUDED |
| 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 |
|---|---|
| 74915890-3 PRIMARY | Kalmar AC Inc (USA) |
| 74915890-3 | Agco Corp Parts Opn (USA) |
| Reference | Meaning |
|---|---|
| R4711AAS | 5/9 Secondary reference Colt Industries Inc Holley Automotive Div |
| 74858903 | 5/9 Secondary reference Kalmar AC Inc |
| R4711A | 5/9 Secondary reference Triumph Engine Control Systems Llc |
| R4711A | C/1 Advisory reference — outside the item-of-supply concept Colt Industries Inc Holley Automotive Div |
| 4915890 | 5/9 Secondary reference Kalmar AC Inc |
NSN 2910-01-026-3995 is a Carburetor,float, manufactured by Kalmar AC Inc, classified under FSC 2910, Engine Fuel System Components, Nonaircraft. Status: active.
NSN 2910-01-026-3995 has 2 manufacturer part numbers on file: 74915890-3 (Kalmar AC Inc), 74915890-3 (Agco Corp Parts Opn).
Key specifications for 74915890-3: Float Chamber Quantity: 1; Air Inlet Connection Type: CIRCULAR CLAMP-ON; Degasser: NOT INCLUDED; Automatic Choke: NOT INCLUDED. 15 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.