The Cover,filter Assembly, cataloged under National Stock Number 1650-01-149-6400, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1650-01-149-6400 |
| Item Name | Cover,filter Assembly |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Status | ACTIVE |
| FSC Application Data | DRIVE,CONSTANT SPEED,HYDRAULIC |
| General Characteristics Item Description | STEEL AMS4212 OR 4217; ANODIZED FINISH; 1ST END 2.250-12UNJ-3A IN. DIA THDS; 1.938 IN. ID; 0.500 IN. DEEP; COUNTER DRILLED 1.812 IN. ID; 1.438 IN. DEEP; COUNTER DRILLED 0.750 IN. ID; 0.437 IN. DEEP; FLANGED 0.781 IN. FROM 1ST END; 0.281 IN. W; 2ND END 2.125 IN. DIA; 0.594 IN. W; 1.000 IN. HEX WRENCHING SURFACE A |
| 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 |
|---|---|
| 728747 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1650-01-149-6400 is a Cover,filter Assembly, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
Key specifications for 1650-01-149-6400: FSC Application Data: DRIVE,CONSTANT SPEED,HYDRAULIC; General Characteristics Item Description: STEEL AMS4212 OR 4217; ANODIZED FINISH; 1ST END 2.250-12UNJ-3A IN. DIA THDS; 1.938 IN. ID; 0.500 IN. DEEP; COUNTER DRILLED 1.812 IN. ID; 1.438 IN. DEEP; COUNTER DRILLED 0.750 IN. ID; 0.437 IN. DEEP; FLANGED 0.781 IN. FROM 1ST END; 0.281 IN. W; 2ND END 2.125 IN. DIA; 0.594 IN. W; 1.000 IN. HEX WRENCHING SURFACE A; End Item Identification: 1650-01-141-6018,A/C KC135R A. 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 1650-01-149-6400 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.