The Pump,air Turbine, cataloged under National Stock Number 4320-01-503-3171, 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 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4320-01-503-3171 |
| Primary Part Number | 754-6407000 ASSEMBLY 98L1 |
| Item Name | Pump,air Turbine |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 754-6407000 ASSEMBLY 98L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 754-6407000 ASSEMBLY 98 | 3/1 Design control — primary reference Naval Sea Systems Command |
NSN 4320-01-503-3171 is a Pump,air Turbine, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-503-3171 has 1 manufacturer part number on file: 754-6407000 ASSEMBLY 98L1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 754-6407000 ASSEMBLY 98L1: Criticality Code Justification: ZZZY; Part Name Assigned by Controlling Agency: AIR TURBIN PUMP (DRAWING); End Item Identification: MK21 MOD0 TORPEDO EJECTION PUMP PORT; Reference Number Differentiating Characteristics: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS. 2 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 4320-01-503-3171 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.