The Knob, cataloged under National Stock Number 5355-01-259-9790, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5355-01-259-9790 |
| Primary Part Number | 623173-2 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto |
| Status | ACTIVE |
| Inside Width | 0.223 INCHES NOMINAL IN |
| Shaft Accommodation Style | FLATTED ONE SIDE |
| Overall Thickness | 0.620 INCHES NOMINAL IN |
| Style Designator | ROUND WITH SINGLE POINTED BAR FACE |
| Outside Diameter | 1.000 INCHES NOMINAL IN |
| Reference Marking | INDEX LINE |
| Inside Diameter | 0.253 INCHES NOMINAL IN |
| Pointer Design | NONDETACHABLE |
| Gripping Surface Condition | SMOOTH |
| Attachment Method | HOLE |
| 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 |
|---|---|
| 623173-2 | Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto (CAN) |
| Reference | Meaning |
|---|---|
| 539-100-49 | 5/9 Secondary reference Dupree Inc Aerospace Knob Co Div |
| 539-100-49 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5355-01-259-9790 is a Knob, manufactured by Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-01-259-9790 has 1 manufacturer part number on file: 623173-2 (Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto).
Key specifications for 623173-2: Inside Width: 0.223 INCHES NOMINAL IN; Shaft Accommodation Style: FLATTED ONE SIDE; Overall Thickness: 0.620 INCHES NOMINAL IN; Style Designator: ROUND WITH SINGLE POINTED BAR FACE. 10 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.