The Clamp,hub, cataloged under National Stock Number 3040-01-417-6696, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-417-6696 |
| Primary Part Number | 903-5912051PC1AND2 |
| Item Name | Clamp,hub |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Surface Finish | 32 MICROINCHES INSIDE PERIPHERY |
| Surface Finish | 32 MICROINCHES OUTSIDE PERIPHERY |
| Plain Hole Diameter | 0.4365 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN |
| Clamp Securing Hole Style | THREADED |
| Style Designator | ROUND SECTIONAL, TWO BOLT SECURED |
| Material Document and Classification | QQ-T-570, CLASS O1 FED SPEC SINGLE MATERIAL RESPONSE |
| Outside Diameter | 5.8120 INCHES NOMINAL IN |
| Nominal Thread Size | 0.312 INCHES IN |
| Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Bore Diameter | 2.5100 INCHES NOMINAL IN |
| Material | STEEL COMP O1 |
| Thickness | 2.125 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 |
|---|---|
| 903-5912051PC1AND2 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5912051 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3040-01-417-6696 is a Clamp,hub, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-417-6696 has 1 manufacturer part number on file: 903-5912051PC1AND2 (Naval Sea Systems Command).
Key specifications for 903-5912051PC1AND2: Surface Finish: 32 MICROINCHES INSIDE PERIPHERY; Surface Finish: 32 MICROINCHES OUTSIDE PERIPHERY; Plain Hole Diameter: 0.4365 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN; Clamp Securing Hole Style: THREADED. 12 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.