The Ring,wearing, cataloged under National Stock Number 4320-01-171-7489, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-171-7489 |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Status | ACTIVE |
| Corner Shape | CHAMFERED ALL CORNERS |
| Chamfer Length | 0.062 INCHES NOMINAL ALL CORNERS IN |
| Body Style | PLAIN |
| Body Outside Diameter | 2.500 INCHES MINIMUM AND 2.501 INCHES MAXIMUM IN |
| Criticality Code Justification | ZZZY |
| Body Inside Diameter | 2.134 INCHES MINIMUM AND 2.135 INCHES MAXIMUM IN |
| Chamfer Angle | 45.0 DEGREES NOMINAL ALL CORNERS |
| Material | STEEL CORROSION RESISTING |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | C |
| Reference | Meaning |
|---|---|
| D-02N-096-012 PC 4 | 3/1 Design control — primary reference Carver Pump Company |
NSN 4320-01-171-7489 is a Ring,wearing, classified under FSC 4320, Power and Hand Pumps. Status: active.
Key specifications for 4320-01-171-7489: Corner Shape: CHAMFERED ALL CORNERS; Chamfer Length: 0.062 INCHES NOMINAL ALL CORNERS IN; Body Style: PLAIN; Body Outside Diameter: 2.500 INCHES MINIMUM AND 2.501 INCHES MAXIMUM 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.
NSN 4320-01-171-7489 has DEMIL Code F. 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.