The Bellows,protection, cataloged under National Stock Number 9390-01-003-1046, is classified within Federal Supply Class 9390 (Miscellaneous Fabricated Nonmetallic Materials) of the Nonmetallic Fabricated Materials group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9390-01-003-1046 |
| Item Name | Bellows,protection |
| FSC / FSG | 9390 / 93 — Miscellaneous Fabricated Nonmetallic Materials |
| Status | ACTIVE |
| FSC Application Data | TAIL ROTOR,GEARBOX,AIRCRAFT |
| Large End Outside Length | 0.581 INCHES NOMINAL IN |
| Small End Inside Diameter | 1.244 INCHES NOMINAL IN |
| Extended Length | 6.000 INCHES NOMINAL IN |
| Large End Inside Diameter | 1.250 INCHES NOMINAL IN |
| Large End Outside Diameter | 2.180 INCHES NOMINAL IN |
| Contracted Length | 2.580 INCHES NOMINAL IN |
| Small End Outside Diameter | 2.170 INCHES NOMINAL IN |
| Small End Outside Length | 0.520 INCHES NOMINAL IN |
| Neutral Length | 5.060 INCHES NOMINAL IN |
| Features Provided | FLANGED BASE |
| End Outside Length | 4.899 INCHES NOMINAL IN |
| End Inside Diameter | 1.440 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY AND ASBESTOS AND STEEL CORROSION RESISTING |
| End Outside Diameter | 2.160 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| K671470-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 9390-01-003-1046 is a Bellows,protection, classified under FSC 9390, Miscellaneous Fabricated Nonmetallic Materials. Status: active.
Key specifications for 9390-01-003-1046: FSC Application Data: TAIL ROTOR,GEARBOX,AIRCRAFT; Large End Outside Length: 0.581 INCHES NOMINAL IN; Small End Inside Diameter: 1.244 INCHES NOMINAL IN; Extended Length: 6.000 INCHES NOMINAL IN. 15 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.