The Ring,wearing, cataloged under National Stock Number 4320-00-409-8699, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 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 | 4320-00-409-8699 |
| Primary Part Number | 654Q0120C051A |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| Distance Between Flanges | 0.375 INCHES NOMINAL IN |
| Distance From End | 0.250 INCHES NOMINAL IN |
| Body Outside Diameter | 7.000 INCHES NOMINAL IN |
| Left Side Flange Thickness | 0.188 INCHES NOMINAL IN |
| Distance Below Centerline | 0.125 INCHES NOMINAL IN |
| Body Inside Diameter | 6.357 INCHES MINIMUM AND 6.360 INCHES MAXIMUM IN |
| Right Side Flange Thickness | 0.188 INCHES NOMINAL IN |
| Smallest External Anchor Flange Radius | 3.437 INCHES NOMINAL IN |
| Largest External Anchor Flange Radius | 3.688 INCHES NOMINAL IN |
| 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 |
|---|---|
| 654Q0120C051A PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| 55-22295-18US | Euramco Safety Inc (USA) |
NSN 4320-00-409-8699 is a Ring,wearing, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-409-8699 has 2 manufacturer part numbers on file: 654Q0120C051A (Circor Naval Solutions Llc Dba Warren Pumps), 55-22295-18US (Euramco Safety Inc).
Key specifications for 654Q0120C051A: Distance Between Flanges: 0.375 INCHES NOMINAL IN; Distance From End: 0.250 INCHES NOMINAL IN; Body Outside Diameter: 7.000 INCHES NOMINAL IN; Overall Length: 0.750 INCHES NOMINAL IN. 9 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.