The Ring,wearing, cataloged under National Stock Number 4320-01-078-4827, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-078-4827 |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Status | ACTIVE |
| Corner Shape | CHAMFERED ALL CORNERS |
| Chamfer Length | 0.010 INCHES NOMINAL INSIDE LEFT CORNER IN |
| Chamfer Length | 0.030 INCHES NOMINAL INSIDE RIGHT CORNER IN |
| Body Style | PLAIN |
| Body Outside Diameter | 4.769 INCHES NOMINAL IN |
| Body Inside Diameter | 4.483 INCHES NOMINAL IN |
| Chamfer Angle | 45.0 DEGREES NOMINAL ALL CORNERS |
| 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 |
| Reference | Meaning |
|---|---|
| 310-A-00001US | 5/9 Secondary reference Energy Repair Service, Inc. |
| C-007-KN-0-01-US | 3/9 Design control — primary reference Energy Repair Service, Inc. |
| C-007-10N-0-01-US | 5/9 Secondary reference Energy Repair Service, Inc. |
| CS-4320-SV-0740 | D/9 Drawing number reference only Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
NSN 4320-01-078-4827 is a Ring,wearing, classified under FSC 4320, Power and Hand Pumps. Status: active.
Key specifications for 4320-01-078-4827: Corner Shape: CHAMFERED ALL CORNERS; Chamfer Length: 0.010 INCHES NOMINAL INSIDE LEFT CORNER IN; Chamfer Length: 0.030 INCHES NOMINAL INSIDE RIGHT CORNER IN; Body Style: PLAIN. 8 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.