The Diffuser,air,aircraft Heating an, cataloged under National Stock Number 1660-00-258-4459, 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 Div Defense. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 1660-00-258-4459 |
| Primary Part Number | 68A318053-1003 |
| Item Name | Diffuser,air,aircraft Heating an |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| FSC Application Data | AIRFRAME STRUCTURAL COMPONENT |
| General Characteristics Item Description | WELDED TITANIUM; CONTOURED SHAPE; NOMINAL DIMENSIONS 0.050 IN. BY 12.000 IN. BY 16.500 IN. IN |
| 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 |
|---|---|
| 68A318053-1003 | Sonfarrel Inc. (USA) |
| 68A318053-1003 PRIMARY | The Boeing Company Div Defense (USA) |
| 68A318053-1003 | Aeroparts Machining, Llc Dba Warnkes Machining Co Llc (USA) |
| Reference | Meaning |
|---|---|
| 68A318053-1003 | 5/2 Secondary reference U.S. Government activity |
NSN 1660-00-258-4459 is a Diffuser,air,aircraft Heating an, manufactured by The Boeing Company Div Defense, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-00-258-4459 has 3 manufacturer part numbers on file: 68A318053-1003 (Sonfarrel Inc.), 68A318053-1003 (The Boeing Company Div Defense), 68A318053-1003 (Aeroparts Machining, Llc Dba Warnkes Machining Co Llc).
Key specifications for 68A318053-1003: FSC Application Data: AIRFRAME STRUCTURAL COMPONENT; General Characteristics Item Description: WELDED TITANIUM; CONTOURED SHAPE; NOMINAL DIMENSIONS 0.050 IN. BY 12.000 IN. BY 16.500 IN. IN; End Item Identification: F-15 ACFT. 2 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.
NSN 1660-00-258-4459 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.