The Bellows,protection, cataloged under National Stock Number 5342-01-389-3541, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5342-01-389-3541 |
| Primary Part Number | 12440397 |
| Item Name | Bellows,protection |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Extended Length | 7.000 INCHES MINIMUM IN |
| Large End Outside Diameter | 3.530 INCHES MINIMUM AND 3.560 INCHES MAXIMUM IN |
| Contracted Length | 1.000 INCHES MAXIMUM IN |
| Small End Outside Diameter | 2.030 INCHES MINIMUM AND 2.060 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-C-20696, TYPE 2, CLASS 3 MIL SPEC SINGLE MATERIAL RESPONSE |
| Material | PLASTIC POLYAMIDE NYLON |
| 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 |
|---|---|
| 12440397 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5342-01-389-3541 is a Bellows,protection, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-01-389-3541 has 1 manufacturer part number on file: 12440397 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12440397: Extended Length: 7.000 INCHES MINIMUM IN; Large End Outside Diameter: 3.530 INCHES MINIMUM AND 3.560 INCHES MAXIMUM IN; Contracted Length: 1.000 INCHES MAXIMUM IN; Small End Outside Diameter: 2.030 INCHES MINIMUM AND 2.060 INCHES MAXIMUM 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.