The Clamp,hub, cataloged under National Stock Number 3040-01-078-1187, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-01-078-1187 |
| Primary Part Number | 12310675 |
| Item Name | Clamp,hub |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Plain Hole Diameter | 0.2970 INCHES NOMINAL IN |
| Clamp Securing Hole Style | THREADED |
| Material Document and Classification | QQ-A-200/8, ALLOY 6061 FED SPEC SINGLE MATERIAL RESPONSE |
| Nominal Thread Size | 0.250 INCHES IN |
| Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Material | ALUMINUM ALLOY 6061 |
| 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 |
|---|---|
| 12310675 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| Reference | Meaning |
|---|---|
| 3040010781187 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 12310675 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 3040-01-078-1187 is a Clamp,hub, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-078-1187 has 1 manufacturer part number on file: 12310675 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 12310675: Plain Hole Diameter: 0.2970 INCHES NOMINAL IN; Clamp Securing Hole Style: THREADED; Material Document and Classification: QQ-A-200/8, ALLOY 6061 FED SPEC SINGLE MATERIAL RESPONSE; Nominal Thread Size: 0.250 INCHES IN. 6 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.