The Ring,wearing, cataloged under National Stock Number 4320-00-554-8105, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Nell-Joy Industries, Inc.. Government technical data includes 9 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-554-8105 |
| Primary Part Number | 2009 |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Nell-Joy Industries, Inc. |
| Status | ACTIVE |
| Surface Finish | 16.0 MICROINCHES LEFT FACE |
| Surface Finish | 16.0 MICROINCHES OUTSIDE |
| Surface Finish | 16.0 MICROINCHES RIGHT FACE |
| Surface Finish | 8.0 MICROINCHES INSIDE |
| Corner Shape | SQUARE ALL CORNERS |
| Body Style | PLAIN |
| Body Outside Diameter | 3.815 INCHES NOMINAL IN |
| Body Inside Diameter | 3.349 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 |
|---|---|
| 2009 PRIMARY | Nell-Joy Industries, Inc. (USA) |
| Reference | Meaning |
|---|---|
| S-2372,PC.27SP | D/9 Drawing number reference only Weil Pump Co Inc |
| 2009 | 5/9 Secondary reference Weil Pump Co Inc |
| 2009-009 | 5/9 Secondary reference Weil Pump Co Inc |
| 2009SP | 5/9 Secondary reference Weil Pump Co Inc |
| N2009SP | 5/9 Secondary reference Weil Pump Co Inc |
| 55-22118-18 | 5/9 Secondary reference Euramco Safety Inc |
NSN 4320-00-554-8105 is a Ring,wearing, manufactured by Nell-Joy Industries, Inc., classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-554-8105 has 1 manufacturer part number on file: 2009 (Nell-Joy Industries, Inc.).
Key specifications for 2009: Surface Finish: 16.0 MICROINCHES LEFT FACE; Surface Finish: 16.0 MICROINCHES OUTSIDE; Surface Finish: 16.0 MICROINCHES RIGHT FACE; Surface Finish: 8.0 MICROINCHES INSIDE. 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.