The Hub,body, cataloged under National Stock Number 3040-01-301-9987, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-01-301-9987 |
| Item Name | Hub,body |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Shoulder Width | 0.496 INCHES NOMINAL IN |
| Style Designator | DOUBLE HUB W/ SECRING HOLE(S) |
| Distance From First End Hub to Shoulder | 0.250 INCHES NOMINAL IN |
| Shoulder Outside Diameter | 0.750 INCHES NOMINAL IN |
| First End Hub Outside Diameter | 0.250 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 |
|---|---|
| 711-4863675 | D/9 Drawing number reference only U.S. Government activity |
| 711-4863675 ITEM 21 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-301-9987 is a Hub,body, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-301-9987: Shoulder Width: 0.496 INCHES NOMINAL IN; Style Designator: DOUBLE HUB W/ SECRING HOLE(S); Special Features: THREAD SIZE:0.250-28 IN.THD SIZE;SECURING HOLE QTY:1;O/A LENGTH:1.000 IN.NOM;MATERIAL DOCUMENT AND CLASSIFICATION:COPPER ALLOY,ALLOY 511 IN; Distance From First End Hub to Shoulder: 0.250 INCHES NOMINAL IN. 5 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.