The Bellows,pressure, cataloged under National Stock Number 3010-01-440-3490, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Eaton Corporation Dba Eaton Inoac Div Eaton. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3010-01-440-3490 |
| Primary Part Number | 72591-2 |
| Item Name | Bellows,pressure |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Eaton Corporation Dba Eaton Inoac Div Eaton |
| Status | ACTIVE |
| Outside Diameter | 8.585 INCHES MINIMUM AND 8.615 INCHES MAXIMUM IN |
| Criticality Code Justification | FEAT |
| Inside Diameter | 7.575 INCHES NOMINAL IN |
| Extended Length | 3.000 INCHES IN |
| Material | TITANIUM ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 72591-2 PRIMARY | Eaton Corporation Dba Eaton Inoac Div Eaton (USA) |
| Reference | Meaning |
|---|---|
| 40A22100-2 | 5/9 Secondary reference Hughes Missile Systems Co San Diego |
NSN 3010-01-440-3490 is a Bellows,pressure, manufactured by Eaton Corporation Dba Eaton Inoac Div Eaton, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-440-3490 has 1 manufacturer part number on file: 72591-2 (Eaton Corporation Dba Eaton Inoac Div Eaton).
Key specifications for 72591-2: Outside Diameter: 8.585 INCHES MINIMUM AND 8.615 INCHES MAXIMUM IN; Criticality Code Justification: FEAT; Overall Length: 1.650 INCHES MINIMUM AND 1.850 INCHES MAXIMUM IN; Inside Diameter: 7.575 INCHES NOMINAL IN. 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.
NSN 3010-01-440-3490 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.