The Clamp,hub, cataloged under National Stock Number 3040-01-012-1701, 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 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-012-1701 |
| Primary Part Number | 3463-2 |
| Item Name | Clamp,hub |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Designatronics Incorporated Div Sterling Instruments Div |
| Status | ACTIVE |
| Furnished Items and Quantity | 2 MACHINE SCREW |
| Plain Hole Diameter | 0.1250 INCHES NOMINAL IN |
| Clamp Securing Hole Style | THREADED |
| Style Designator | RECTANGULAR SECTIONAL W/TWO EXTENDED CLAMPING DEVICES AND TWO BOLT SECURED |
| Material Document and Classification | QQ-S-764, TYPE 303, COND A-CANCELED FED SPEC SINGLE MATERIAL RESPONSE |
| Distance From Bore Centerline to End | 0.375 INCHES NOMINAL IN |
| Nominal Thread Size | 0.125 INCHES IN |
| Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Surface Treatment | PASSIVATE |
| Bore Diameter | 0.3750 INCHES MINIMUM AND 0.3770 INCHES MAXIMUM IN |
| Material | STEEL COMP 303 |
| Thickness | 0.187 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 |
|---|---|
| 3463-2 | Designatronics Incorporated Div Sterling Instruments Div (USA) |
| 3493-1000 | Roller Bearing Co of America, Inc Div Pic Design (USA) |
| Reference | Meaning |
|---|---|
| 918360-7D | 3/2 Design control — primary reference U.S. Government activity |
| 3493-1000 | 5/9 Secondary reference Designatronics Inc Perfect Gear and Instrument Div |
NSN 3040-01-012-1701 is a Clamp,hub, manufactured by Designatronics Incorporated Div Sterling Instruments Div, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-012-1701 has 2 manufacturer part numbers on file: 3463-2 (Designatronics Incorporated Div Sterling Instruments Div), 3493-1000 (Roller Bearing Co of America, Inc Div Pic Design).
1 possible match (shared part number, not a government interchangeability claim): 2530-01-591-7124. Verify interchangeability with system specifications before substitution.
Key specifications for 3463-2: Furnished Items and Quantity: 2 MACHINE SCREW; Plain Hole Diameter: 0.1250 INCHES NOMINAL IN; Clamp Securing Hole Style: THREADED; Style Designator: RECTANGULAR SECTIONAL W/TWO EXTENDED CLAMPING DEVICES AND TWO BOLT SECURED. 12 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.