The Ring,wearing, cataloged under National Stock Number 4320-01-035-6273, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Grundfos Cbs, Inc Dba Paco Pumps. Government technical data includes 14 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 | 4320-01-035-6273 |
| Primary Part Number | 04007753B18 |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Grundfos Cbs, Inc Dba Paco Pumps |
| Status | ACTIVE |
| Corner Shape | SQUARE INSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE LEFT CORNER |
| Corner Shape | SQUARE INSIDE LEFT CORNER |
| Body Style | GROOVED |
| Body Outside Diameter | 3.997 INCHES MINIMUM AND 3.999 INCHES MAXIMUM IN |
| Groove Depth | 0.098 INCHES MINIMUM AND 0.102 INCHES MAXIMUM IN |
| Distance From End to Groove Center | 0.344 INCHES NOMINAL IN |
| Body Inside Diameter | 3.502 INCHES MINIMUM AND 3.504 INCHES MAXIMUM IN |
| Bolt Hole Quantity | 1 |
| Material | COPPER ALLOY |
| Distance From Hole Center to Right Face | 0.344 INCHES NOMINAL IN |
| Groove Width | 0.187 INCHES NOMINAL IN |
| Hole Diameter | 0.281 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 |
|---|---|
| 04007753B18 PRIMARY | Grundfos Cbs, Inc Dba Paco Pumps (USA) |
NSN 4320-01-035-6273 is a Ring,wearing, manufactured by Grundfos Cbs, Inc Dba Paco Pumps, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-035-6273 has 1 manufacturer part number on file: 04007753B18 (Grundfos Cbs, Inc Dba Paco Pumps).
Key specifications for 04007753B18: Corner Shape: SQUARE INSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE LEFT CORNER; Corner Shape: SQUARE INSIDE LEFT CORNER. 14 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.