The Nut,coupling,flexible Casing, cataloged under National Stock Number 3040-00-004-4895, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-004-4895 |
| Primary Part Number | T15-400A |
| Item Name | Nut,coupling,flexible Casing |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| Status | ACTIVE |
| Thread Length | 0.625 INCHES NOMINAL IN |
| Outside Diameter | 4.750 INCHES NOMINAL IN |
| Seat End Inside Diameter | 4.289 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Thread Size | 4-1/2-16 |
| Screw Thread Series Designator | UN |
| 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 |
|---|---|
| T15-400A PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| Reference | Meaning |
|---|---|
| T15-400A | 5/9 Secondary reference Eaton Aviation Corporation |
| 525-605-9009 | 7/2 Vendor item drawing reference U.S. Government activity |
| T15-400 | 5/9 Secondary reference Eaton Aviation Corporation |
NSN 3040-00-004-4895 is a Nut,coupling,flexible Casing, manufactured by Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-004-4895 has 1 manufacturer part number on file: T15-400A (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution).
Key specifications for T15-400A: Thread Length: 0.625 INCHES NOMINAL IN; Overall Length: 0.850 INCHES NOMINAL IN; Outside Diameter: 4.750 INCHES NOMINAL IN; Seat End Inside Diameter: 4.289 INCHES NOMINAL IN. 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.