The Knob, cataloged under National Stock Number 5355-01-258-2155, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-01-258-2155 |
| Primary Part Number | 75D111252-2105 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Distance From Hole Center to Knob/skirt Base | 0.380 INCHES NOMINAL IN |
| Overall Thickness | 1.750 INCHES NOMINAL IN |
| Style Designator | ROUND |
| Outside Diameter | 3.000 INCHES NOMINAL IN |
| Setscrew Hole Quantity | 1 |
| Screw Drive Type | HEXAGON SOCKET |
| Attachment Method | SETSCREWS |
| 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 |
|---|---|
| 75D111252-2105 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 75D111252-2105 | 5/9 Secondary reference U.S. Government activity |
NSN 5355-01-258-2155 is a Knob, manufactured by The Boeing Company Div Defense, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-01-258-2155 has 1 manufacturer part number on file: 75D111252-2105 (The Boeing Company Div Defense).
Key specifications for 75D111252-2105: Distance From Hole Center to Knob/skirt Base: 0.380 INCHES NOMINAL IN; Overall Thickness: 1.750 INCHES NOMINAL IN; Style Designator: ROUND; Outside Diameter: 3.000 INCHES NOMINAL IN. 7 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.