The Reservoir,hydraulic, cataloged under National Stock Number 4320-01-645-5255, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4320-01-645-5255 |
| Primary Part Number | 12422484-001 |
| Item Name | Reservoir,hydraulic |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| 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 |
|---|---|
| 12422484-001 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 12422484-001 | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 4320PL2090889 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 12422484 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 4320-01-645-5255 is a Reservoir,hydraulic, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-645-5255 has 2 manufacturer part numbers on file: 12422484-001 (U S Army Tank Automotive Command Amsta-Im-Mm), 12422484-001 (Oshkosh Defense Llc).
Key specifications for 12422484-001: End Item Identification: 2320015498565. 0 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.