The Casing,outer, cataloged under National Stock Number 4320-01-540-4513, 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. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Casing,outer |
| FSC / FSG | 4320 — Power and Hand Pumps (FSG 43) |
| Manufacturers | Naval Inventory Control Point Mechanicsburg (CAGE 03950) |
| Parameter | Value |
|---|---|
| NSN | 4320-01-540-4513 |
| Primary Part Number | RY-173314 ITEM 1.1Q3 |
| Item Name | Casing,outer |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| 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 |
|---|---|
| RY-173314 ITEM 1.1Q3 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| RY-173314 ITEM 1.1 | 3/9 Design control — primary reference U.S. Government activity |
| RY-173314 ITEM 1.1 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corporation Div Epd |
NSN 4320-01-540-4513 is a Casing,outer, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-540-4513 has 1 manufacturer part number on file: RY-173314 ITEM 1.1Q3 (Naval Inventory Control Point Mechanicsburg).
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.