The Gridmember,coupling, cataloged under National Stock Number 3010-01-324-2075, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Holset Engineering Co Inc Sub of Cummins Engine Co. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Gridmember,coupling |
| FSC / FSG | 3010 — Torque Converters and Speed Changers (FSG 30) |
| Manufacturers | Isotta Fraschini Motori Spa (CAGE A0106); Holset Engineering Co Inc Sub of Cummins Engine Co (CAGE 0RTM2) |
| Parameter | Value |
|---|---|
| NSN | 3010-01-324-2075 |
| Primary Part Number | 3551290401 |
| Item Name | Gridmember,coupling |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Holset Engineering Co Inc Sub of Cummins Engine Co |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 3551290401 | Isotta Fraschini Motori Spa (ITA) |
| 79331F91 ITEM C | Isotta Fraschini Motori Spa (ITA) |
| 3551290401 PRIMARY | Holset Engineering Co Inc Sub of Cummins Engine Co (USA) |
| Reference | Meaning |
|---|---|
| 79331F91 | 5/1 Secondary reference Isotta Fraschini Motori Spa |
| 79331F91 ITEM C | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
NSN 3010-01-324-2075 is a Gridmember,coupling, manufactured by Holset Engineering Co Inc Sub of Cummins Engine Co, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-324-2075 has 3 manufacturer part numbers on file: 3551290401 (Isotta Fraschini Motori Spa), 79331F91 ITEM C (Isotta Fraschini Motori Spa), 3551290401 (Holset Engineering Co Inc Sub of Cummins Engine Co).
1 possible match (shared part number, not a government interchangeability claim): 3010-01-324-2076. 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.