The Bellows,protection, cataloged under National Stock Number 5342-01-366-1065, 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. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Bellows,protection |
| FSC / FSG | 5342 — Hardware, Weapon System (FSG 53) |
| Manufacturers | Metal Fab and Machine Corp (CAGE 56908); Senior Operations Llc Dba Metal Bellows Div Metal Bellows (CAGE 07649); Naval Sea Systems Command (CAGE 53711) |
| Parameter | Value |
|---|---|
| NSN | 5342-01-366-1065 |
| Primary Part Number | 5186638 |
| Item Name | Bellows,protection |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 5186338 | Metal Fab and Machine Corp (USA) |
| 5186338 | Senior Operations Llc Dba Metal Bellows Div Metal Bellows (USA) |
| 5186638 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5186338 | 5/9 Secondary reference Senior Flexonics Inc |
| 5186338 | 5/2 Secondary reference U.S. Government activity |
NSN 5342-01-366-1065 is a Bellows,protection, manufactured by Naval Sea Systems Command, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-01-366-1065 has 3 manufacturer part numbers on file: 5186338 (Metal Fab and Machine Corp), 5186338 (Senior Operations Llc Dba Metal Bellows Div Metal Bellows), 5186638 (Naval Sea Systems Command).
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.