The Clamp,hub, cataloged under National Stock Number 3040-01-148-5982, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is General Motors Llc Dba General Motors Llc. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-148-5982 |
| Primary Part Number | 3882979 |
| Item Name | Clamp,hub |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | General Motors Llc Dba General Motors Llc |
| Status | ACTIVE |
| Plain Hole Diameter | 0.3275 INCHES MINIMUM AND 0.3375 INCHES MAXIMUM IN |
| Clamp Securing Hole Style | UNTHREADED |
| Style Designator | ROUND SECTIONAL W/TWO EXTENDED CLAMPING DEVICES |
| Material Document and Classification | FED STD 66 FED STD 1ST MATERIAL RESPONSE OR AISI 1016 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1016 ASSN STD SINGLE MATERIAL RESPONSE AND FED STD 66 FED STD 2ND MATERIAL RESPONSE OR AISI 1018 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1018 ASSN STD SINGLE MATERIAL RESPONSE |
| Distance From Bore Centerline to End | 1.130 INCHES NOMINAL IN |
| Bore Diameter | 1.0628 INCHES NOMINAL IN |
| Material | STEEL COMP 1016 OR STEEL COMP 1018 |
| Thickness | 0.590 INCHES MINIMUM AND 0.650 INCHES MAXIMUM 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 |
|---|---|
| 3882979 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| Reference | Meaning |
|---|---|
| 3882979 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
NSN 3040-01-148-5982 is a Clamp,hub, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-148-5982 has 1 manufacturer part number on file: 3882979 (General Motors Llc Dba General Motors Llc).
Key specifications for 3882979: Plain Hole Diameter: 0.3275 INCHES MINIMUM AND 0.3375 INCHES MAXIMUM IN; Clamp Securing Hole Style: UNTHREADED; Style Designator: ROUND SECTIONAL W/TWO EXTENDED CLAMPING DEVICES; Material Document and Classification: FED STD 66 FED STD 1ST MATERIAL RESPONSE OR AISI 1016 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1016 ASSN STD SINGLE MATERIAL RESPONSE AND FED STD 66 FED STD 2ND MATERIAL RESPONSE OR AISI 1018 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1018 ASSN STD SINGLE MATERIAL RESPONSE. 8 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.