The Extension Shaft, cataloged under National Stock Number 3040-01-054-3077, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Abbott-Interfast Corp.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-054-3077 |
| Primary Part Number | 384-0679-00 |
| Item Name | Extension Shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Abbott-Interfast Corp. |
| Status | ACTIVE |
| Length | 5.270 INCHES MINIMUM AND 5.310 INCHES MAXIMUM IN |
| Outside Diameter | 0.123 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN |
| Shaft End Diameter | 0.079 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE |
| Material | STEEL |
| Shoulder Length | 0.515 INCHES MINIMUM AND 0.547 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 |
|---|---|
| 384-0679-00 | Abbott-Interfast Corp. (USA) |
| Reference | Meaning |
|---|---|
| 384-0679-00 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-054-3077 is a Extension Shaft, manufactured by Abbott-Interfast Corp., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-054-3077 has 1 manufacturer part number on file: 384-0679-00 (Abbott-Interfast Corp.).
Key specifications for 384-0679-00: Length: 5.270 INCHES MINIMUM AND 5.310 INCHES MAXIMUM IN; Outside Diameter: 0.123 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN; Shaft End Diameter: 0.079 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN; Surface Treatment: CADMIUM AND CHROMATE. 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.