The Bellows,pressure, cataloged under National Stock Number 1660-01-264-2272, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. The manufacturer of record is Senior Operations Llc Dba Metal Bellows Div Metal Bellows. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Bellows,pressure |
| FSC / FSG | 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment (FSG 16) |
| Manufacturers | Senior Operations Llc Dba Metal Bellows Div Metal Bellows (CAGE 07649); Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (CAGE 58163) |
| Parameter | Value |
|---|---|
| NSN | 1660-01-264-2272 |
| Primary Part Number | 5905452 |
| Item Name | Bellows,pressure |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Senior Operations Llc Dba Metal Bellows Div Metal Bellows |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5905452 PRIMARY | Senior Operations Llc Dba Metal Bellows Div Metal Bellows (USA) |
| 5905452 PRIMARY | Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 5905452 | 1/2 Source control — Government-approved source U.S. Government activity |
| 5905452 | 3/9 Design control — primary reference Senior Flexonics Inc |
| 5905452 | 5/9 Secondary reference U.S. Government activity |
| 5905452 | 5/9 Secondary reference Meggitt North Hollywood Inc |
| 84188 | 5/9 Secondary reference Senior Flexonics Inc |
NSN 1660-01-264-2272 is a Bellows,pressure, manufactured by Senior Operations Llc Dba Metal Bellows Div Metal Bellows, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-264-2272 has 2 manufacturer part numbers on file: 5905452 (Senior Operations Llc Dba Metal Bellows Div Metal Bellows), 5905452 (Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.).
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 1660-01-264-2272 has DEMIL Code D. 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.