The Filtering Disk,fluid, cataloged under National Stock Number 1660-00-481-4173, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-00-481-4173 |
| Item Name | Filtering Disk,fluid |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Status | ACTIVE |
| Filtering Media Design | SINTERED SINGLE FILTERING MEDIA RESPONSE |
| Body Diameter | 0.435 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| FSC Application Data | REGULATOR,OXYGEN SYSTEM,AIRCRAFT |
| Design Type | NONREUSABLE |
| Style Designator | ROUND (BASICALLY FLAT) |
| Media for Which Designed | OXYGEN, GASEOUS |
| Material | STEEL CORROSION RESISTING FILTERING MEDIUM |
| Body Thickness | 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 1617807-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1660-00-481-4173 is a Filtering Disk,fluid, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
Key specifications for 1660-00-481-4173: Filtering Media Design: SINTERED SINGLE FILTERING MEDIA RESPONSE; Body Diameter: 0.435 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN; FSC Application Data: REGULATOR,OXYGEN SYSTEM,AIRCRAFT; Design Type: NONREUSABLE. 8 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 1660-00-481-4173 has DEMIL Code B. 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.