The Ring,wearing, cataloged under National Stock Number 4320-00-202-8840, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Itt Goulds Pumps, Inc.. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-202-8840 |
| Primary Part Number | 08-102-312-00-001 |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Itt Goulds Pumps, Inc. |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES OUTSIDE |
| Surface Finish | 250.0 MICROINCHES INSIDE |
| Surface Finish | 250.0 MICROINCHES LEFT FACE |
| Surface Finish | 250.0 MICROINCHES RIGHT FACE |
| Corner Shape | SQUARE ALL CORNERS |
| Body Style | PLAIN W/INTERNAL FLANGE |
| Body Outside Diameter | 5.753 INCHES MINIMUM IN |
| Material Document and Classification | MIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE |
| Internal Flange Inside Diameter | 5.355 INCHES MINIMUM AND 5.360 INCHES MAXIMUM IN |
| Body Inside Diameter | 5.370 INCHES MINIMUM AND 5.371 INCHES MAXIMUM IN |
| Material | COPPER ALLOY |
| Internal Flange Width | 0.234 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 |
|---|---|
| 08-102-312-00-001 PRIMARY | Itt Goulds Pumps, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 08-102-312-00-001 | 5/9 Secondary reference Werner Pump Company |
| 08-102-312-00-001 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4320-00-202-8840 is a Ring,wearing, manufactured by Itt Goulds Pumps, Inc., classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-202-8840 has 1 manufacturer part number on file: 08-102-312-00-001 (Itt Goulds Pumps, Inc.).
Key specifications for 08-102-312-00-001: Surface Finish: 125.0 MICROINCHES OUTSIDE; Surface Finish: 250.0 MICROINCHES INSIDE; Surface Finish: 250.0 MICROINCHES LEFT FACE; Surface Finish: 250.0 MICROINCHES RIGHT FACE. 12 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.