The Pump Unit,reciprocating, cataloged under National Stock Number 4320-01-229-4744, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4320-01-229-4744 |
| Primary Part Number | 517-5951759 ITEM 2TR |
| Item Name | Pump Unit,reciprocating |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Reference Number Differentiating Characteristics | SELECTED TESTED AND CERTIFIED FOR TRIDENT SUBMARINE APPLICATION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 517-5951759 ITEM 2TR | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 517-5951759 ITEM 2 | 3/1 Design control — primary reference Naval Sea Systems Command |
NSN 4320-01-229-4744 is a Pump Unit,reciprocating, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-229-4744 has 1 manufacturer part number on file: 517-5951759 ITEM 2TR (Naval Inventory Control Point Mechanicsburg).
Key specifications for 517-5951759 ITEM 2TR: Reference Number Differentiating Characteristics: SELECTED TESTED AND CERTIFIED FOR TRIDENT SUBMARINE APPLICATION. 1 specification is 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.