The Ring,thrust, cataloged under National Stock Number 4330-01-500-7733, is classified within Federal Supply Class 4330 (Centrifugals, Separators, and Pressure and Vacuum Filters) of the Pumps and Compressors group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-500-7733 |
| Primary Part Number | 531-7016000-7 |
| Item Name | Ring,thrust |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Overall Diameter | 6.095 INCHES NOMINAL IN |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 531-7016000-7 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| H655-1511-7 | 5/2 Secondary reference U.S. Government activity |
| 531-7016000 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4330-01-500-7733 is a Ring,thrust, manufactured by Naval Sea Systems Command, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-500-7733 has 1 manufacturer part number on file: 531-7016000-7 (Naval Sea Systems Command).
2 possible matches (shared part number, not a government interchangeability claim): 5365-01-501-3348, 5365-01-501-3399. Verify interchangeability with system specifications before substitution.
Key specifications for 531-7016000-7: Overall Height: 2.835 INCHES MAXIMUM IN; Overall Diameter: 6.095 INCHES NOMINAL IN; Special Features: RING CONTAINS 4 THRU HOLES OF 1.25 IN. DIAMETER; MATERIAL: CUNI ALY-C71500, DIAMETER OF OTHER END OF RING IS 5.970 IN. IN; End Item Identification: USED IN REVERSE OSMOSIS PRESSURE VESSEL, WSD: LOS ANGELES CLASS SSN (688). 2 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.