The Ring,wearing, cataloged under National Stock Number 4320-01-245-0827, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Naval Sea Systems Command. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-245-0827 |
| Primary Part Number | 5773203-1.2U |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Corner Shape | CHAMFERED OUTSIDE LEFT CORNER |
| Corner Shape | CHAMFERED OUTSIDE RIGHT CORNER |
| Chamfer Length | 0.040 INCHES NOMINAL OUTSIDE LEFT CORNER IN |
| Chamfer Length | 0.040 INCHES NOMINAL OUTSIDE RIGHT CORNER IN |
| Body Style | PLAIN |
| Body Outside Diameter | 6.628 INCHES MINIMUM AND 6.630 INCHES MAXIMUM IN |
| Body Inside Diameter | 5.838 INCHES NOMINAL IN |
| Chamfer Angle | 45.0 DEGREES NOMINAL OUTSIDE RIGHT CORNER |
| Chamfer Angle | 45.0 DEGREES NOMINAL OUTSIDE LEFT CORNER |
| 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 |
|---|---|
| 5773203-1.2U PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5773203-1.2 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 4320-01-245-0827 is a Ring,wearing, manufactured by Naval Sea Systems Command, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-245-0827 has 1 manufacturer part number on file: 5773203-1.2U (Naval Sea Systems Command).
Key specifications for 5773203-1.2U: Corner Shape: CHAMFERED OUTSIDE LEFT CORNER; Corner Shape: CHAMFERED OUTSIDE RIGHT CORNER; Chamfer Length: 0.040 INCHES NOMINAL OUTSIDE LEFT CORNER IN; Chamfer Length: 0.040 INCHES NOMINAL OUTSIDE RIGHT CORNER 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.