The Filter,fluid, cataloged under National Stock Number 1650-01-028-0548, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. The manufacturer of record is Pti Technologies Inc.. Government technical data includes 18 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-01-028-0548 |
| Primary Part Number | 11-10899-1 |
| Item Name | Filter,fluid |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Pti Technologies Inc. |
| Status | ACTIVE |
| Filtering Media Design | SINGLE STAMPED DISK ALL FILTERING MEDIA RESPONSES |
| Filtration Rating in Microns | 15.0 ABSOLUTE |
| First Intake Nominal Thread Size | 0.4375 INCHES IN |
| First Intake Thread Series Designator | UNF |
| Design Type | REUSABLE |
| First Intake Thread Direction | RIGHT-HAND |
| Body Width | 1.850 INCHES MINIMUM AND 1.910 INCHES MAXIMUM IN |
| Body Height | 1.220 INCHES MINIMUM AND 1.280 INCHES MAXIMUM IN |
| First Intake Connection Type | THREADED INTERNAL TUBE SIDE |
| First Intake Thread Class | 3B |
| Mounting Hole Diameter | 0.255 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN |
| Filtering Element Quantity | 1 |
| Body Length | 4.750 INCHES MAXIMUM IN |
| Filtering System for Which Designed | FULL FLOW |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Material | STEEL CORROSION RESISTING FILTERING MEDIUM |
| Mounting Type | UNTHREADED HOLE SIDE |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY SOURCE CONTROL DWG 206-076-034-1 |
| 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 |
|---|---|
| 11-10899-1 | Pti Technologies Inc. (USA) |
| Reference | Meaning |
|---|---|
| 11-10899-1 | 5/3 Secondary reference U.S. Government activity |
| 206-076-034-1 | 1/3 Source control — Government-approved source U.S. Government activity |
NSN 1650-01-028-0548 is a Filter,fluid, manufactured by Pti Technologies Inc., classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-01-028-0548 has 1 manufacturer part number on file: 11-10899-1 (Pti Technologies Inc.).
Key specifications for 11-10899-1: Filtering Media Design: SINGLE STAMPED DISK ALL FILTERING MEDIA RESPONSES; Filtration Rating in Microns: 15.0 ABSOLUTE; First Intake Nominal Thread Size: 0.4375 INCHES IN; First Intake Thread Series Designator: UNF. 18 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.