The Bellows,pressure, cataloged under National Stock Number 1660-01-390-8918, 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 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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); Ami Industries, Inc Div Utc Aerospace Systems (CAGE 31218); Universal Propulsion Company Inc Dba Goodrich Div Universal Propulsion Co., Inc. (CAGE 51998); Rockwell Collins Inc (CAGE 17610) |
| Parameter | Value |
|---|---|
| NSN | 1660-01-390-8918 |
| Primary Part Number | 43058-3 |
| 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 Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 43058-3 PRIMARY | Senior Operations Llc Dba Metal Bellows Div Metal Bellows (USA) |
| 21231-3 | Ami Industries, Inc Div Utc Aerospace Systems (USA) |
| 21231-3 PRIMARY | Universal Propulsion Company Inc Dba Goodrich Div Universal Propulsion Co., Inc. (USA) |
| 21231-3 PRIMARY | Rockwell Collins Inc (USA) |
| Reference | Meaning |
|---|---|
| 46880A003 | 5/9 Secondary reference Technetics Group Daytona, Inc. |
NSN 1660-01-390-8918 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 1660-01-390-8918 has 4 manufacturer part numbers on file: 43058-3 (Senior Operations Llc Dba Metal Bellows Div Metal Bellows), 21231-3 (Ami Industries, Inc Div Utc Aerospace Systems), 21231-3 (Universal Propulsion Company Inc Dba Goodrich Div Universal Propulsion Co., Inc.), 21231-3 (Rockwell Collins 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 1660-01-390-8918 has DEMIL Code Q. 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.