The Ring,wearing, cataloged under National Stock Number 4320-01-528-2897, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Ampco Pumps Company Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-528-2897 |
| Primary Part Number | SX8108771 |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Ampco Pumps Company Llc |
| 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 |
|---|---|
| RCH2 3X3X10 DETAIL 41B | Ampco Pumps Company Llc (USA) |
| SX8108771 PRIMARY | Ampco Pumps Company Llc (USA) |
NSN 4320-01-528-2897 is a Ring,wearing, manufactured by Ampco Pumps Company Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-528-2897 has 2 manufacturer part numbers on file: RCH2 3X3X10 DETAIL 41B (Ampco Pumps Company Llc), SX8108771 (Ampco Pumps Company Llc).
Key specifications for SX8108771: Special Features: ITEM NAME: SPACER, FLAPPER. RCH2 SELF-PRIMING PUMPS ARE CLOSE COUPLED TO JM FRAME MOTORS AND HAVE NPT TREADED CONNECTIONS. MEDIA: SEAWATER. DESCRIPTION: FIRE PUMP NUMBER 6. PUMP SPEED: 3500 RPM. PUMP CAPACITY: 300 GPM. DRIVE TYPE: 50 HP ELECTRIC MOTOR. RPM; End Item Identification: PUMP, RCH2 3X3. 0 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.