The Clamp,hub, cataloged under National Stock Number 3040-01-306-3131, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Secs Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-306-3131 |
| Primary Part Number | CG95 |
| Item Name | Clamp,hub |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Secs Inc |
| Status | ACTIVE |
| Clamp Securing Hole Style | THREADED |
| Style Designator | RECTANGULAR, SINGLE BOLT SECURED |
| Material Document and Classification | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 1018 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1018 ASSN STD SINGLE MATERIAL RESPONSE |
| Distance From Bore Centerline to End | 0.468 INCHES NOMINAL IN |
| Nominal Thread Size | 0.086 INCHES IN |
| Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Bore Diameter | 0.4380 INCHES MINIMUM AND 0.4390 INCHES MAXIMUM IN |
| Material | STEEL COMP 1018 |
| Thickness | 0.140 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 |
|---|---|
| C122 | Designatronics Incorporated Div Sterling Instruments Div (USA) |
| CG95 PRIMARY | Secs Inc (USA) |
| Reference | Meaning |
|---|---|
| 025817-1 | C/1 Advisory reference — outside the item-of-supply concept Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc |
| 025817-1 | 5/9 Secondary reference Meggitt Defense Systems, Inc. Dba Meggitt Western Design |
| CG5-23 | 5/9 Secondary reference W. M. Berg, Inc. |
| 025719 | 5/9 Secondary reference Meggitt Defense Systems, Inc. Dba Meggitt Western Design |
NSN 3040-01-306-3131 is a Clamp,hub, manufactured by Secs Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-306-3131 has 2 manufacturer part numbers on file: C122 (Designatronics Incorporated Div Sterling Instruments Div), CG95 (Secs Inc).
Key specifications for CG95: Clamp Securing Hole Style: THREADED; Style Designator: RECTANGULAR, SINGLE BOLT SECURED; Material Document and Classification: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 1018 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1018 ASSN STD SINGLE MATERIAL RESPONSE; Overall Length: 0.781 INCHES NOMINAL IN. 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.