The Knob, cataloged under National Stock Number 5355-00-418-8403, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Raytheon Company Dba Raytheon Co. Government technical data includes 19 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5355-00-418-8403 |
| Primary Part Number | RS125-3-26 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Distance From Hole Center to Knob/skirt Base | 0.427 INCHES MAXIMUM IN |
| Shaft Accommodation Style | ROUND |
| Overall Thickness | 0.725 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN |
| Skirt Outside Diameter | 1.837 INCHES MAXIMUM IN |
| Style Designator | ROUND |
| Outside Diameter | 1.240 INCHES MINIMUM AND 1.280 INCHES MAXIMUM IN |
| Reference Marking | ARROW |
| Setscrew Hole Quantity | 2 |
| Nominal Thread Size | 0.164 INCHES SCREW HOLE IN |
| Inside Diameter | 0.252 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN |
| Gripping Surface Condition | GRIP AID |
| Color | BLACK AND WHITE |
| Skirt Design | NONDETACHABLE |
| Screw Drive Type | HEXAGON SOCKET |
| Thread Quantity Per Inch | 32 SCREW HOLE |
| Material | ALUMINUM ALLOY AND PLASTIC POLYCARBONATE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SCREW HOLE |
| Skirt Style | FLARED |
| 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 |
|---|---|
| RS125-3-26 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| 281-0527-000 | 7/2 Vendor item drawing reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| RS125-3-26 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 5355-00-418-8403 is a Knob, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-00-418-8403 has 1 manufacturer part number on file: RS125-3-26 (Raytheon Company Dba Raytheon Co).
Key specifications for RS125-3-26: Distance From Hole Center to Knob/skirt Base: 0.427 INCHES MAXIMUM IN; Shaft Accommodation Style: ROUND; Overall Thickness: 0.725 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN; Skirt Outside Diameter: 1.837 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.