The End Fitting,flexible Casing, cataloged under National Stock Number 3040-01-552-4458, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-552-4458 |
| Item Name | End Fitting,flexible Casing |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Overall Diameter | 0.664 INCHES MINIMUM AND 0.684 INCHES MAXIMUM IN |
| Thread Size and Series/type Designator | 0.4375-20 UNIFIED NATIONAL JOINT FINE (UNJF) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MS33656-4 | 2/2 Government specification standardization U.S. Government activity |
| MS33656 | 4/1 Identification reference U.S. Government activity |
| AS4395-04 | 5/1 Secondary reference U.S. Government activity |
NSN 3040-01-552-4458 is a End Fitting,flexible Casing, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-552-4458: Overall Diameter: 0.664 INCHES MINIMUM AND 0.684 INCHES MAXIMUM IN; Overall Length: 0.535 INCHES MINIMUM AND 0.550 INCHES MAXIMUM IN; Part Name Assigned by Controlling Agency: FITTING END,STANDARD DIMENSIONS FOR FLARED TUBE CONNECTION AND GASKET SEAL; End Item Identification: BLOWER,ENGINE,EAPS; V-22. 2 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.