The Filter Element,air Conditioning, cataloged under National Stock Number 1660-01-426-3977, 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 The Boeing Company. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-426-3977 |
| Primary Part Number | E13103000-05 |
| Item Name | Filter Element,air Conditioning |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Maximum Air Flow Rate | 235.0 CUBIC FEET PER MINUTE |
| Filtering Media Design | ENCASED SINGLE FILTERING MEDIA RESPONSE |
| Body Overall Length | 11.000 INCHES NOMINAL IN |
| Filtration Rating in Microns | 40.0 NOMINAL |
| Style Designator | RECTANGULAR (INCL SQUARE) |
| Body Thickness | 2.250 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 |
|---|---|
| E13103000-05 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 7-511A21513-5 | 5/9 Secondary reference Triumph Thermal Systems - Maryland, Inc. |
NSN 1660-01-426-3977 is a Filter Element,air Conditioning, manufactured by The Boeing Company, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-426-3977 has 1 manufacturer part number on file: E13103000-05 (The Boeing Company).
Key specifications for E13103000-05: Maximum Air Flow Rate: 235.0 CUBIC FEET PER MINUTE; Filtering Media Design: ENCASED SINGLE FILTERING MEDIA RESPONSE; Body Overall Length: 11.000 INCHES NOMINAL IN; Filtration Rating in Microns: 40.0 NOMINAL. 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.