The Dispensing Pump,hand Driven, cataloged under National Stock Number 4930-01-582-1099, is classified within Federal Supply Class 4930 (Lubrication and Fuel Dispensing Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Ritchie Engineering Co Inc. Government technical data includes 5 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4930-01-582-1099 |
| Primary Part Number | 77940 |
| Item Name | Dispensing Pump,hand Driven |
| FSC / FSG | 4930 / 49 — Lubrication and Fuel Dispensing Equipment |
| Manufacturer | Ritchie Engineering Co Inc |
| Status | ACTIVE |
| Pump Type | PISTON |
| Design Type | SELF-MEASURING |
| Discharge Fitting Type | HOSE-NOZZLE |
| Locking Device | NOT INCLUDED |
| Intake Pipe Adjustability | NONADJUSTABLE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4930-01-582-1099 is a Dispensing Pump,hand Driven, manufactured by Ritchie Engineering Co Inc, classified under FSC 4930, Lubrication and Fuel Dispensing Equipment. Status: active.
NSN 4930-01-582-1099 has 2 manufacturer part numbers on file: 77940 (Ritchie Engineering Co Inc), 71F25573 (Ernest West & Beynon Ltd).
1 possible match (shared part number, not a government interchangeability claim): 5985-01-602-2207. Verify interchangeability with system specifications before substitution.
Key specifications for 77940: Pump Type: PISTON; Design Type: SELF-MEASURING; Discharge Fitting Type: HOSE-NOZZLE; Locking Device: NOT INCLUDED. 5 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.