The Knob, cataloged under National Stock Number 5355-01-122-2488, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Raytheon Company. Government technical data includes 14 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-01-122-2488 |
| Primary Part Number | 145122-1 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Raytheon Company |
| Status | ACTIVE |
| Distance From Hole Center to Knob/skirt Base | 0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN |
| Shaft Accommodation Style | COUNTERBORED |
| Overall Thickness | 0.840 INCHES NOMINAL IN |
| Style Designator | ROUND WITH BAR FACE |
| Outside Diameter | 0.940 INCHES NOMINAL IN |
| Counterbore Depth | 0.140 INCHES NOMINAL IN |
| Setscrew Hole Quantity | 2 |
| Nominal Thread Size | 0.138 INCHES SCREW HOLE IN |
| Counterbore Diameter | 0.440 INCHES NOMINAL IN |
| Inside Diameter | 0.126 INCHES MINIMUM AND 0.129 INCHES MAXIMUM IN |
| Gripping Surface Condition | SMOOTH |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 145122-1 PRIMARY | Raytheon Company (USA) |
NSN 5355-01-122-2488 is a Knob, manufactured by Raytheon Company, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-01-122-2488 has 1 manufacturer part number on file: 145122-1 (Raytheon Company).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-333-0552. Verify interchangeability with system specifications before substitution.
Key specifications for 145122-1: Distance From Hole Center to Knob/skirt Base: 0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN; Shaft Accommodation Style: COUNTERBORED; Overall Thickness: 0.840 INCHES NOMINAL IN; Style Designator: ROUND WITH BAR FACE. 14 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.