The Ring Assy,deflector, cataloged under National Stock Number 2945-00-442-2558, is classified within Federal Supply Class 2945 (Engine Air and Oil Filters, Cleaners, Aircraft Prime Moving) of the Engine Accessories group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2945-00-442-2558 |
| Item Name | Ring Assy,deflector |
| FSC / FSG | 2945 / 29 — Engine Air and Oil Filters, Cleaners, Aircraft Prime Moving |
| Status | ACTIVE |
| General Characteristics Item Description | C/O COMPONENT QTY,6;5 HOLES 0.251 IN. MIN,0.256 IN. MAX EQUALLY SPACED,2 HOLES 0.250 IN. MIN,0.252 IN. MAX EQUALLY SPACED,15 HOLES 0.097 IN. MIN,0.102 IN. MAX EQUALLY SPACED 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 |
| Reference | Meaning |
|---|---|
| 1-010-360-03 | 3/2 Design control — primary reference U.S. Government activity |
| 1-010-360-03 | 5/9 Secondary reference U.S. Government activity |
| 1-010-360-03 | 3/9 Design control — primary reference U.S. Government activity |
NSN 2945-00-442-2558 is a Ring Assy,deflector, classified under FSC 2945, Engine Air and Oil Filters, Cleaners, Aircraft Prime Moving. Status: active.
Key specifications for 2945-00-442-2558: General Characteristics Item Description: C/O COMPONENT QTY,6;5 HOLES 0.251 IN. MIN,0.256 IN. MAX EQUALLY SPACED,2 HOLES 0.250 IN. MIN,0.252 IN. MAX EQUALLY SPACED,15 HOLES 0.097 IN. MIN,0.102 IN. MAX EQUALLY SPACED IN; End Item Identification: LTCIK-4. 1 specification is 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 2945-00-442-2558 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.