The Nut,coupling,flexible Casing, cataloged under National Stock Number 3040-00-982-2796, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Transdigm Inc Div Adelwiggins Group. 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 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 | 3040-00-982-2796 |
| Primary Part Number | 3605-20-3A |
| Item Name | Nut,coupling,flexible Casing |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Transdigm Inc Div Adelwiggins Group |
| Status | ACTIVE |
| Thread Length | 0.744 INCHES NOMINAL IN |
| Outside Diameter | 1.865 INCHES NOMINAL IN |
| Seat End Inside Diameter | 1.400 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Thread Size | 1-11/16 IN.-18 IN |
| Screw Thread Series Designator | UNEF |
| 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 |
|---|---|
| 3605-20-3A PRIMARY | Transdigm Inc Div Adelwiggins Group (USA) |
NSN 3040-00-982-2796 is a Nut,coupling,flexible Casing, manufactured by Transdigm Inc Div Adelwiggins Group, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-982-2796 has 1 manufacturer part number on file: 3605-20-3A (Transdigm Inc Div Adelwiggins Group).
1 possible match (shared part number, not a government interchangeability claim): 5905-01-087-1912. Verify interchangeability with system specifications before substitution.
Key specifications for 3605-20-3A: Thread Length: 0.744 INCHES NOMINAL IN; Overall Length: 0.744 INCHES NOMINAL IN; Outside Diameter: 1.865 INCHES NOMINAL IN; Seat End Inside Diameter: 1.400 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.