The Nut,coupling,flexible Casing, cataloged under National Stock Number 3040-01-060-0086, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-060-0086 |
| Primary Part Number | 757578-2 |
| Item Name | Nut,coupling,flexible Casing |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Outside Diameter | 4.720 INCHES NOMINAL IN |
| Seat End Inside Diameter | 1.540 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Thread Size | 1.734-20 |
| Screw Thread Series Designator | UNS |
| 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 |
|---|---|
| 757578-2 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| T15-125A | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| Reference | Meaning |
|---|---|
| T15-125AZ | 5/9 Secondary reference Eaton Aviation Corporation |
| T15-125A | 5/9 Secondary reference Eaton Aviation Corporation |
NSN 3040-01-060-0086 is a Nut,coupling,flexible Casing, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-060-0086 has 2 manufacturer part numbers on file: 757578-2 (Hamilton Sundstrand Corporation Dba Collins Aerospace), T15-125A (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution).
Key specifications for 757578-2: Overall Length: 0.570 INCHES NOMINAL IN; Outside Diameter: 4.720 INCHES NOMINAL IN; Seat End Inside Diameter: 1.540 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND. 5 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.