The Pump,inflating,manual, cataloged under National Stock Number 4320-01-022-0761, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Cleasby Mfg Co Inc. Government technical data includes 8 specifications, 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. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-022-0761 |
| Primary Part Number | 220-56 |
| Item Name | Pump,inflating,manual |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Cleasby Mfg Co Inc |
| Status | ACTIVE |
| End Connection Type | PLAIN |
| Cylinder Inside Diameter | 2.000 INCHES NOMINAL IN |
| Folding Handle | NOT INCLUDED |
| Action Type | SINGLE |
| Hose | NOT INCLUDED |
| Cylinder Quantity | 1 |
| Outlet End Connection Type | UNTHREADED |
| Operation Method | HAND |
| 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 |
|---|---|
| 220-56 PRIMARY | Cleasby Mfg Co Inc (USA) |
NSN 4320-01-022-0761 is a Pump,inflating,manual, manufactured by Cleasby Mfg Co Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-022-0761 has 1 manufacturer part number on file: 220-56 (Cleasby Mfg Co Inc).
3 possible matches (shared part number, not a government interchangeability claim): 5330-01-242-4315, 6645-01-272-6985, 6515-01-324-3083. Verify interchangeability with system specifications before substitution.
Key specifications for 220-56: End Connection Type: PLAIN; Cylinder Inside Diameter: 2.000 INCHES NOMINAL IN; Folding Handle: NOT INCLUDED; Action Type: SINGLE. 8 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.