The Clamp,hub, cataloged under National Stock Number 3040-00-498-2679, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-498-2679 |
| Item Name | Clamp,hub |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 SOCKET HEAD CAP SCREW |
| Plain Hole Diameter | 0.0860 INCHES NOMINAL IN |
| Clamp Securing Hole Style | THREADED |
| Style Designator | ROUND W/EXTENDED CLAMPING DEVICE |
| Material Document and Classification | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 303 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 30303 ASSN STD SINGLE MATERIAL RESPONSE |
| Distance From Bore Centerline to End | 0.234 INCHES NOMINAL IN |
| Nominal Thread Size | 0.086 INCHES IN |
| Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Surface Treatment | PASSIVATE |
| Bore Diameter | 0.1875 INCHES NOMINAL IN |
| Material | STEEL COMP 303 |
| Thickness | 0.130 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 |
| Reference | Meaning |
|---|---|
| 7200331-2 | 3/2 Design control — primary reference U.S. Government activity |
| 7200331-002 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 3040-00-498-2679 is a Clamp,hub, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-00-498-2679: Furnished Items and Quantity: 1 SOCKET HEAD CAP SCREW; Plain Hole Diameter: 0.0860 INCHES NOMINAL IN; Clamp Securing Hole Style: THREADED; Style Designator: ROUND W/EXTENDED CLAMPING DEVICE. 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.