The Clamp,hub, cataloged under National Stock Number 3040-01-232-8802, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Designatronics Incorporated Div Sterling Instruments 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-232-8802 |
| Primary Part Number | C79358 |
| Item Name | Clamp,hub |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Designatronics Incorporated Div Sterling Instruments Div |
| Status | ACTIVE |
| Plain Hole Diameter | 0.0860 INCHES NOMINAL IN |
| Clamp Securing Hole Style | THREADED |
| Style Designator | ROUND, SINGLE BOLT SECURED |
| Material Document and Classification | QQ-A-225/5, ALLOY 2017, T4 FED SPEC SINGLE MATERIAL RESPONSE |
| Outside Diameter | 0.562 INCHES NOMINAL IN |
| Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Bore Diameter | 0.2500 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2017 |
| 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 |
|---|---|
| C79358 PRIMARY | Designatronics Incorporated Div Sterling Instruments Div (USA) |
| Reference | Meaning |
|---|---|
| 350358 | 5/9 Secondary reference Northrop Grumman Corp Electronic Systems Defensive System Div |
| CG1-27-A | 5/9 Secondary reference W. M. Berg, Inc. |
NSN 3040-01-232-8802 is a Clamp,hub, manufactured by Designatronics Incorporated Div Sterling Instruments Div, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-232-8802 has 1 manufacturer part number on file: C79358 (Designatronics Incorporated Div Sterling Instruments Div).
2 possible matches (shared part number, not a government interchangeability claim): 4720-01-332-8491, 9905-01-697-1462. Verify interchangeability with system specifications before substitution.
Key specifications for C79358: Plain Hole Diameter: 0.0860 INCHES NOMINAL IN; Clamp Securing Hole Style: THREADED; Style Designator: ROUND, SINGLE BOLT SECURED; Material Document and Classification: QQ-A-225/5, ALLOY 2017, T4 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.