The Knob, cataloged under National Stock Number 5355-00-820-3450, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is De Havilland Aircraft of Canada Limited. Government technical data includes 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-00-820-3450 |
| Primary Part Number | C4BM1748-1 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | De Havilland Aircraft of Canada Limited |
| Status | ACTIVE |
| Shank Diameter | 0.550 INCHES NOMINAL IN |
| Shaft Accommodation Style | ROUND |
| Overall Thickness | 0.670 INCHES NOMINAL IN |
| Shank Length | 0.300 INCHES NOMINAL IN |
| Style Designator | ROUND |
| Outside Diameter | 0.772 INCHES MINIMUM AND 0.776 INCHES MAXIMUM IN |
| Inside Diameter | 0.413 INCHES NOMINAL IN |
| Shank Style | STRAIGHT |
| Gripping Surface Condition | SMOOTH |
| Material | PLASTIC |
| Attachment Method | PRESS FIT |
| 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 |
|---|---|
| C4BM1748-1 PRIMARY | De Havilland Aircraft of Canada Limited (CAN) |
NSN 5355-00-820-3450 is a Knob, manufactured by De Havilland Aircraft of Canada Limited, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-00-820-3450 has 1 manufacturer part number on file: C4BM1748-1 (De Havilland Aircraft of Canada Limited).
Key specifications for C4BM1748-1: Shank Diameter: 0.550 INCHES NOMINAL IN; Shaft Accommodation Style: ROUND; Overall Thickness: 0.670 INCHES NOMINAL IN; Shank Length: 0.300 INCHES NOMINAL IN. 11 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.