The Ring,wearing, cataloged under National Stock Number 4320-01-426-2369, 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. Government technical data includes 5 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-426-2369 |
| Primary Part Number | BW8100032 |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Ampco Pumps Company Llc |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Body Style | PLAIN |
| Body Outside Diameter | 3.6285 INCHES NOMINAL IN |
| Body Inside Diameter | 3.017 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| BW8100032 PRIMARY | Ampco Pumps Company Llc (USA) |
NSN 4320-01-426-2369 is a Ring,wearing, manufactured by Ampco Pumps Company Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-426-2369 has 1 manufacturer part number on file: BW8100032 (Ampco Pumps Company Llc).
Key specifications for BW8100032: Corner Shape: SQUARE ALL CORNERS; Body Style: PLAIN; Body Outside Diameter: 3.6285 INCHES NOMINAL IN; Body Inside Diameter: 3.017 INCHES NOMINAL IN. 5 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.