The Knob, cataloged under National Stock Number 5355-00-491-6006, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Raytheon Company Div Corp. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5355-00-491-6006 |
| Primary Part Number | 412RC2K1 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Raytheon Company Div Corp |
| Status | ACTIVE |
| Shank Diameter | 1.170 INCHES MAXIMUM IN |
| Distance From Hole Center to Knob/skirt Base | 0.290 INCHES MAXIMUM IN |
| Shaft Accommodation Style | COUNTERBORED |
| Overall Thickness | 1.540 INCHES MAXIMUM IN |
| Shank Length | 0.120 INCHES MINIMUM IN |
| Style Designator | ROUND WITH CRANK |
| Counterbore Depth | 0.120 INCHES MINIMUM IN |
| Setscrew Hole Quantity | 2 |
| Nominal Thread Size | 0.138 INCHES SCREW HOLE IN |
| Counterbore Diameter | 1.041 INCHES MINIMUM IN |
| Inside Diameter | 0.250 INCHES NOMINAL IN |
| Shank Style | STRAIGHT |
| Gripping Surface Condition | GRIP AID |
| Color | BLACK |
| Width | 1.245 INCHES MINIMUM AND 1.275 INCHES MAXIMUM IN |
| Screw Drive Type | HEXAGON SOCKET |
| Thread Quantity Per Inch | 32 SCREW HOLE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SCREW HOLE |
| 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 |
NSN 5355-00-491-6006 is a Knob, manufactured by Raytheon Company Div Corp, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-00-491-6006 has 2 manufacturer part numbers on file: 412RC2K1 (Electronic Hardware Corp Panel Products Div), 412RC2K1 (Raytheon Company Div Corp).
Key specifications for 412RC2K1: Shank Diameter: 1.170 INCHES MAXIMUM IN; Distance From Hole Center to Knob/skirt Base: 0.290 INCHES MAXIMUM IN; Shaft Accommodation Style: COUNTERBORED; Overall Thickness: 1.540 INCHES MAXIMUM IN. 19 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.