The Cover,balance Ring, cataloged under National Stock Number 4320-01-178-6562, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Cover,balance Ring |
| FSC / FSG | 4320 — Power and Hand Pumps (FSG 43) |
| Manufacturers | Rps-Fl, Inc. Dba Rps Inc (CAGE 54402); Curtiss-Wright Electro-Mechanical Corporation Div Epd (CAGE 0UBG9) |
| Parameter | Value |
|---|---|
| NSN | 4320-01-178-6562 |
| Primary Part Number | RY-143425 PIECE 50 |
| Item Name | Cover,balance Ring |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 11106 | Rps-Fl, Inc. Dba Rps Inc (USA) |
| RY-143425 PIECE 50 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| RY-143425 PIECE 50 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4320-01-178-6562 is a Cover,balance Ring, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-178-6562 has 2 manufacturer part numbers on file: 11106 (Rps-Fl, Inc. Dba Rps Inc), RY-143425 PIECE 50 (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
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.