The Ring,wearing, cataloged under National Stock Number 4320-01-031-7198, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. 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 | 4320-01-031-7198 |
| Primary Part Number | 378056 |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| Corner Shape | CHAMFERED INSIDE LEFT CORNER |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Corner Shape | CHAMFERED OUTSIDE LEFT CORNER |
| Corner Shape | CHAMFERED INSIDE RIGHT CORNER |
| Chamfer Length | 0.025 INCHES NOMINAL INSIDE LEFT CORNER IN |
| Chamfer Length | 0.025 INCHES NOMINAL INSIDE RIGHT CORNER IN |
| Chamfer Length | 0.135 INCHES NOMINAL OUTSIDE LEFT CORNER IN |
| Body Style | PLAIN |
| Body Outside Diameter | 1.860 INCHES NOMINAL IN |
| Body Inside Diameter | 1.378 INCHES NOMINAL IN |
| Chamfer Angle | 45.0 DEGREES NOMINAL INSIDE RIGHT CORNER |
| Chamfer Angle | 45.0 DEGREES NOMINAL INSIDE LEFT CORNER |
| Chamfer Angle | 30.0 DEGREES NOMINAL OUTSIDE LEFT CORNER |
| Material | STEEL COMP 440C |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 378056 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
NSN 4320-01-031-7198 is a Ring,wearing, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-031-7198 has 1 manufacturer part number on file: 378056 (Eaton Aerospace, Llc Dba Jackson South).
Key specifications for 378056: Corner Shape: CHAMFERED INSIDE LEFT CORNER; Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Corner Shape: CHAMFERED OUTSIDE LEFT CORNER; Corner Shape: CHAMFERED INSIDE RIGHT 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.
NSN 4320-01-031-7198 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.