The Knob, cataloged under National Stock Number 5355-01-491-4583, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-01-491-4583 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Status | ACTIVE |
| Distance From Hole Center to Knob/skirt Base | 0.190 INCHES NOMINAL IN |
| Overall Thickness | 0.440 INCHES NOMINAL IN |
| Material Transparency | OPAQUE |
| Style Designator | ROUND FLUTED |
| Outside Diameter | 0.500 INCHES NOMINAL IN |
| Reference Marking | ARROW |
| Setscrew Hole Quantity | 2 |
| Nominal Thread Size | 0.086 INCHES SCREW HOLE IN |
| Gripping Surface Condition | GRIP AID |
| Color | GRAY/GREY |
| Screw Drive Type | CROSS RECESS TYPE 1 |
| Thread Quantity Per Inch | 56 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 |
| Reference | Meaning |
|---|---|
| RD621-V103 | 5/9 Secondary reference Dupree Inc Aerospace Knob Co Div |
| RD621-V109 | 3/2 Design control — primary reference U.S. Government activity |
| RD621-V103 | 5/9 Secondary reference U.S. Government activity |
| K60A0008-13 | 5/9 Secondary reference Mcdonnell Douglas Corp Mcdonnell Douglas Electronic Systems Co |
NSN 5355-01-491-4583 is a Knob, classified under FSC 5355, Knobs and Pointers. Status: active.
Key specifications for 5355-01-491-4583: Distance From Hole Center to Knob/skirt Base: 0.190 INCHES NOMINAL IN; Overall Thickness: 0.440 INCHES NOMINAL IN; Material Transparency: OPAQUE; Style Designator: ROUND FLUTED. 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.