The Pump,engine Priming,hand Driven, cataloged under National Stock Number 2910-01-121-0651, is classified within Federal Supply Class 2910 (Engine Fuel System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Pump,engine Priming,hand Driven |
| FSC / FSG | 2910 — Engine Fuel System Components, Nonaircraft (FSG 29) |
| Manufacturers | Caterpillar Inc Div Caterpillar Defense (CAGE 11083); Caterpillar Belgium Holding (CAGE BTTK7) |
| Parameter | Value |
|---|---|
| NSN | 2910-01-121-0651 |
| Primary Part Number | 1623906 |
| Item Name | Pump,engine Priming,hand Driven |
| FSC / FSG | 2910 / 29 — Engine Fuel System Components, Nonaircraft |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| 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 |
|---|---|
| 1623906 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| 1623906 | Caterpillar Belgium Holding (BEL) |
| Reference | Meaning |
|---|---|
| 1623906 | 5/9 Secondary reference Caterpillar Belgium |
| 1W8396 | 5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense |
| 2W2606 | 5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense |
NSN 2910-01-121-0651 is a Pump,engine Priming,hand Driven, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2910, Engine Fuel System Components, Nonaircraft. Status: active.
NSN 2910-01-121-0651 has 2 manufacturer part numbers on file: 1623906 (Caterpillar Inc Div Caterpillar Defense), 1623906 (Caterpillar Belgium Holding).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-429-5354. Verify interchangeability with system specifications before substitution.
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.