The Knob, cataloged under National Stock Number 5355-00-669-2453, 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 9 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-00-669-2453 |
| Primary Part Number | 240-3140803-2 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Raytheon Company |
| Status | ACTIVE |
| Overall Thickness | 0.500 INCHES NOMINAL IN |
| Style Designator | ROUND |
| Outside Diameter | 1.440 INCHES MAXIMUM IN |
| Unthreaded Stud Style | ROUND |
| Gripping Surface Condition | SMOOTH |
| Material | PLASTIC |
| Stud Overall Depth | 1.190 INCHES NOMINAL IN |
| Stud Diameter | 0.240 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN |
| Attachment Method | UNTHREADED STUD |
| 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 |
|---|---|
| 240-3140803-2 | Raytheon Company (USA) |
| Reference | Meaning |
|---|---|
| 240-3140803-2 | 5/9 Secondary reference General Dynamics Corp Convair Div Lindbergh Field Facility |
| 240-3140803-2 | 3/9 Design control — primary reference Bae Systems Technology Solutions & Services Inc. |
| 240-3140803-2 | 5/9 Secondary reference Hughes Missile Systems Co San Diego |
| 240-3140803-2 | 5/9 Secondary reference Tracor Flight Systems Inc Sub of Tracor Inc |
NSN 5355-00-669-2453 is a Knob, manufactured by Raytheon Company, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-00-669-2453 has 1 manufacturer part number on file: 240-3140803-2 (Raytheon Company).
Key specifications for 240-3140803-2: Overall Thickness: 0.500 INCHES NOMINAL IN; Style Designator: ROUND; Outside Diameter: 1.440 INCHES MAXIMUM IN; Unthreaded Stud Style: ROUND. 9 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.