The Clamp,hub, cataloged under National Stock Number 3040-01-485-0787, 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 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-485-0787 |
| Primary Part Number | 5489226 |
| Item Name | Clamp,hub |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Plain Hole Diameter | 0.4062 INCHES NOMINAL IN |
| Clamp Securing Hole Style | THREADED |
| Style Designator | ROUND, SINGLE BOLT SECURED |
| Material Document and Classification | QQ-S-763, CLASS 304, COND A FED SPEC SINGLE MATERIAL RESPONSE |
| Outside Diameter | 4.2500 INCHES NOMINAL IN |
| Nominal Thread Size | 0.3750 INCHES IN |
| Screw Thread Series Designator | UNF |
| Bore Diameter | 2.9000 INCHES NOMINAL IN |
| Material | STEEL COMP 304 |
| Thickness | 0.8800 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 |
|---|---|
| 5489226 PRIMARY | Naval Sea Systems Command (USA) |
| 5489224 PC 7 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5489224 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3040-01-485-0787 is a Clamp,hub, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-485-0787 has 2 manufacturer part numbers on file: 5489226 (Naval Sea Systems Command), 5489224 PC 7 (Naval Sea Systems Command).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-485-6872, 3040-01-485-8290. Verify interchangeability with system specifications before substitution.
Key specifications for 5489226: Plain Hole Diameter: 0.4062 INCHES NOMINAL IN; Clamp Securing Hole Style: THREADED; Style Designator: ROUND, SINGLE BOLT SECURED; Material Document and Classification: QQ-S-763, CLASS 304, COND A FED SPEC SINGLE MATERIAL RESPONSE. 10 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.