The Ring,wearing, cataloged under National Stock Number 4320-00-536-3787, 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 10 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4320-00-536-3787 |
| Primary Part Number | 08-998-250-00-004 |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Itt Goulds Pumps, Inc. |
| Status | ACTIVE |
| Center Flange Thickness | 0.242 INCHES NOMINAL IN |
| Corner Shape | SQUARE ALL CORNERS |
| Body Style | EXTERNAL LOCKING FLANGE |
| Body Outside Diameter | 4.625 INCHES NOMINAL IN |
| End to Flange Distance | 0.383 INCHES NOMINAL IN |
| Distance Below Centerline | 0.125 INCHES NOMINAL IN |
| Body Inside Diameter | 4.238 INCHES NOMINAL IN |
| Smallest External Anchor Flange Radius | 2.413 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| Largest External Anchor Flange Radius | 2.562 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 |
|---|---|
| 08-998-250-00-004 PRIMARY | Itt Goulds Pumps, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 08-998-250-00-004 | 5/9 Secondary reference U.S. Government activity |
| 08-500-462PC222 | 5/9 Secondary reference Itt Fluid Technology Corp |
| 08-500-462PC222 | 5/9 Secondary reference U.S. Government activity |
| 08-999-496-00-003 | 5/9 Secondary reference U.S. Government activity |
| 08-998-250-00-004 | 5/9 Secondary reference Itt Fluid Technology Corp |
| 08-999-496-00-003 | 3/9 Design control — primary reference Itt Fluid Technology Corp |
NSN 4320-00-536-3787 is a Ring,wearing, manufactured by Itt Goulds Pumps, Inc., classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-536-3787 has 1 manufacturer part number on file: 08-998-250-00-004 (Itt Goulds Pumps, Inc.).
Key specifications for 08-998-250-00-004: Center Flange Thickness: 0.242 INCHES NOMINAL IN; Corner Shape: SQUARE ALL CORNERS; Body Style: EXTERNAL LOCKING FLANGE; Body Outside Diameter: 4.625 INCHES NOMINAL IN. 10 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.