The Bellows,protection, cataloged under National Stock Number 5342-01-408-6506, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5342-01-408-6506 |
| Primary Part Number | 561-6404325-4 |
| Item Name | Bellows,protection |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Extended Length | 12.5500 INCHES NOMINAL IN |
| Contracted Length | 2.9500 INCHES NOMINAL IN |
| Neutral Length | 6.5500 INCHES NOMINAL IN |
| Outside Width | 5.3700 INCHES NOMINAL IN |
| End Inside Diameter | 4.5000 INCHES NOMINAL IN |
| Material | RUBBER CHLOROPRENE CLASS CR |
| End Outside Diameter | 5.3700 INCHES NOMINAL IN |
| 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 |
|---|---|
| 561-6404325-4 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 211052015 | 5/9 Secondary reference Naval Sea Systems Command |
| 211094976 | 5/9 Secondary reference Naval Sea Systems Command |
NSN 5342-01-408-6506 is a Bellows,protection, manufactured by Naval Sea Systems Command, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-01-408-6506 has 1 manufacturer part number on file: 561-6404325-4 (Naval Sea Systems Command).
Key specifications for 561-6404325-4: Extended Length: 12.5500 INCHES NOMINAL IN; Contracted Length: 2.9500 INCHES NOMINAL IN; Neutral Length: 6.5500 INCHES NOMINAL IN; Outside Width: 5.3700 INCHES NOMINAL IN. 7 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.