The Clamp,hub, cataloged under National Stock Number 3040-01-192-7791, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-192-7791 |
| Primary Part Number | 27SS |
| Item Name | Clamp,hub |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 SOCKET HEAD CAP SCREW |
| Plain Hole Diameter | 0.3320 INCHES NOMINAL IN |
| Clamp Securing Hole Style | THREADED |
| Style Designator | ROUND, SINGLE BOLT SECURED |
| Outside Diameter | 3.000 INCHES NOMINAL IN |
| Nominal Thread Size | 0.312 INCHES IN |
| Screw Thread Series Designator | UNF |
| Surface Treatment | PASSIVATE |
| Bore Diameter | 1.6875 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| Thickness | 0.625 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 |
|---|---|
| 27SS PRIMARY | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 27SS | 5/9 Secondary reference Metso Minerals Industries, Inc. Dba Bulk Material Handling |
NSN 3040-01-192-7791 is a Clamp,hub, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-192-7791 has 1 manufacturer part number on file: 27SS (Naval Inventory Control Point Mechanicsburg).
Key specifications for 27SS: Furnished Items and Quantity: 1 SOCKET HEAD CAP SCREW; Plain Hole Diameter: 0.3320 INCHES NOMINAL IN; Clamp Securing Hole Style: THREADED; Style Designator: ROUND, SINGLE BOLT SECURED. 11 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.