The Ring,wearing, cataloged under National Stock Number 4320-01-261-5387, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Waterous Company. Government technical data includes 3 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 | 4320-01-261-5387 |
| Primary Part Number | 61363 |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Waterous Company |
| Status | ACTIVE |
| Body Outside Diameter | 4.501 INCHES NOMINAL IN |
| Body Inside Diameter | 3.758 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 |
|---|---|
| 61363 PRIMARY | Waterous Company (USA) |
NSN 4320-01-261-5387 is a Ring,wearing, manufactured by Waterous Company, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-261-5387 has 1 manufacturer part number on file: 61363 (Waterous Company).
Key specifications for 61363: Body Outside Diameter: 4.501 INCHES NOMINAL IN; Overall Length: 0.688 INCHES NOMINAL IN; Body Inside Diameter: 3.758 INCHES NOMINAL IN; Material: COPPER ALLOY. 3 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.