The Head and Nozzle Assembly, cataloged under National Stock Number 4320-01-092-4398, 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 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-092-4398 |
| Primary Part Number | PL-11156-F-18ITEM 477Q3 |
| Item Name | Head and Nozzle Assembly |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | ITEMS THAT SUPPORT A LEVEL I OR SUBSAFE CRITICAL SYSTEM/COMPONENT THAT HAS UNDERGONE QUALITY ASSURANCE DURING THE ACQUISITION PROCESS AND REQUIRES OBJECTIVE QUALITY EVIDENCE (OQE) TRACEABLE TO PERMANENT MARKING ON THE MATERIAL |
| 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 |
|---|---|
| PL-11156-F-18ITEM 477Q3 | Naval Inventory Control Point Mechanicsburg (USA) |
| 11156-H-18 ITEM 477Q3 | Naval Inventory Control Point Mechanicsburg (USA) |
| F-4X9H477X1Q3 | Naval Inventory Control Point Mechanicsburg (USA) |
| 11145-F-18Q3 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| F-4X9H477X1 | 3/1 Design control — primary reference Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| PL-11156-F-18ITEM 477 | 5/1 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| PL-11156-F-18ITEM 477 | 5/9 Secondary reference U.S. Government activity |
| 11145-F-18 | 5/1 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| 11145-F-18 | 5/9 Secondary reference U.S. Government activity |
| 11156-H-18 ITEM 477 | 5/1 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| 11156-H-18 ITEM 477 | 5/9 Secondary reference U.S. Government activity |
NSN 4320-01-092-4398 is a Head and Nozzle Assembly, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-092-4398 has 4 manufacturer part numbers on file: PL-11156-F-18ITEM 477Q3 (Naval Inventory Control Point Mechanicsburg), 11156-H-18 ITEM 477Q3 (Naval Inventory Control Point Mechanicsburg), F-4X9H477X1Q3 (Naval Inventory Control Point Mechanicsburg), 11145-F-18Q3 (Naval Inventory Control Point Mechanicsburg).
Key specifications for PL-11156-F-18ITEM 477Q3: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: ITEMS THAT SUPPORT A LEVEL I OR SUBSAFE CRITICAL SYSTEM/COMPONENT THAT HAS UNDERGONE QUALITY ASSURANCE DURING THE ACQUISITION PROCESS AND REQUIRES OBJECTIVE QUALITY EVIDENCE (OQE) TRACEABLE TO PERMANENT MARKING ON THE MATERIAL. 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.
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.