The Ring,drive,clamp, cataloged under National Stock Number 3010-01-448-9256, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Defense Maritime Solutions, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Ring,drive,clamp |
| FSC / FSG | 3010 — Torque Converters and Speed Changers (FSG 30) |
| Manufacturers | Defense Maritime Solutions, Inc. (CAGE 0EYA6) |
| Parameter | Value |
|---|---|
| NSN | 3010-01-448-9256 |
| Primary Part Number | H71518-7 |
| Item Name | Ring,drive,clamp |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Defense Maritime Solutions, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| H71518-7 PRIMARY | Defense Maritime Solutions, Inc. (USA) |
| Reference | Meaning |
|---|---|
| H48603 | 5/9 Secondary reference Defense Maritime Solutions, Inc. |
| US71518 | D/9 Drawing number reference only John Crane, Inc |
| US71518-7-1 | 5/9 Secondary reference Wartsila Lips Inc |
| US71518-7-1 | 5/9 Secondary reference John Crane, Inc |
| H48603 | 5/9 Secondary reference John Crane, Inc |
NSN 3010-01-448-9256 is a Ring,drive,clamp, manufactured by Defense Maritime Solutions, Inc., classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-448-9256 has 1 manufacturer part number on file: H71518-7 (Defense Maritime Solutions, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 3010-01-448-9260, 4320-01-545-4076. Verify interchangeability with system specifications before substitution.
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.