The Modification Kit,pumps and Compr, cataloged under National Stock Number 4320-01-564-3744, 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. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-564-3744 |
| Primary Part Number | 57K1540 |
| Item Name | Modification Kit,pumps and Compr |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Sterility | NONSTERILE |
| Reference Data and Literature | TM 9-1450-646-10/20/34/24P/646 |
| Disposition After Initial Use | NONREUSABLE |
| Furnished Items | BEARING, GRIP, PUMP HANDLE, LINK, 3 PINS, COTTER PIN, AND 2 WASHERS |
| Functional Description | USED TO MODIFY 4320-01-160-4828 PUMP |
| Usage Design | PUMP HANDLE MODIFICATION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 57K1540 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 10335121 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 4320-01-564-3744 is a Modification Kit,pumps and Compr, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-564-3744 has 1 manufacturer part number on file: 57K1540 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 57K1540: Sterility: NONSTERILE; Reference Data and Literature: TM 9-1450-646-10/20/34/24P/646; Disposition After Initial Use: NONREUSABLE; Furnished Items: BEARING, GRIP, PUMP HANDLE, LINK, 3 PINS, COTTER PIN, AND 2 WASHERS. 6 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.
NSN 4320-01-564-3744 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.