The Ring,wearing, cataloged under National Stock Number 4320-01-367-4871, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Hydro-Component Research and Development Corp. Government technical data includes 4 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-367-4871 |
| Primary Part Number | 30564 |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Hydro-Component Research and Development Corp |
| Status | ACTIVE |
| Body Style | PLAIN |
| Body Outside Diameter | 9.000 INCHES NOMINAL IN |
| Body Inside Diameter | 2.000 INCHES NOMINAL IN |
| Material | PLASTIC |
| 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 |
|---|---|
| 30564 PRIMARY | Hydro-Component Research and Development Corp (USA) |
NSN 4320-01-367-4871 is a Ring,wearing, manufactured by Hydro-Component Research and Development Corp, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-367-4871 has 1 manufacturer part number on file: 30564 (Hydro-Component Research and Development Corp).
1 possible match (shared part number, not a government interchangeability claim): 1005-01-665-6352. Verify interchangeability with system specifications before substitution.
Key specifications for 30564: Body Style: PLAIN; Body Outside Diameter: 9.000 INCHES NOMINAL IN; Body Inside Diameter: 2.000 INCHES NOMINAL IN; Material: PLASTIC. 4 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.