The Clamp,hub, cataloged under National Stock Number 3040-01-012-6408, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Designatronics Inc Perfect Gear and Instrument Div. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-012-6408 |
| Primary Part Number | YC25-1-303PH |
| Item Name | Clamp,hub |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Designatronics Inc Perfect Gear and Instrument Div |
| Status | ACTIVE |
| Plain Hole Diameter | 0.1890 INCHES NOMINAL IN |
| Clamp Securing Hole Style | UNTHREADED |
| Style Designator | RECTANGULAR SECTIONAL, TWO BOLT SECURED |
| Material Document and Classification | QQ-S-764, TYPE 303-CANCELED FED SPEC SINGLE MATERIAL RESPONSE |
| Distance From Bore Centerline to End | 0.250 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE |
| Bore Diameter | 0.1890 INCHES NOMINAL IN |
| Material | STEEL COMP 303 |
| Thickness | 0.156 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 |
|---|---|
| YC25-1-303PH PRIMARY | Designatronics Inc Perfect Gear and Instrument Div (USA) |
| Reference | Meaning |
|---|---|
| 918360 | D/9 Drawing number reference only U.S. Government activity |
| 918360-4D | 5/2 Secondary reference U.S. Government activity |
NSN 3040-01-012-6408 is a Clamp,hub, manufactured by Designatronics Inc Perfect Gear and Instrument Div, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-012-6408 has 1 manufacturer part number on file: YC25-1-303PH (Designatronics Inc Perfect Gear and Instrument Div).
Key specifications for YC25-1-303PH: Plain Hole Diameter: 0.1890 INCHES NOMINAL IN; Clamp Securing Hole Style: UNTHREADED; Style Designator: RECTANGULAR SECTIONAL, TWO BOLT SECURED; Material Document and Classification: QQ-S-764, TYPE 303-CANCELED FED SPEC SINGLE MATERIAL RESPONSE. 9 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.