The Knob, cataloged under National Stock Number 5355-01-170-8559, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-01-170-8559 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Status | ACTIVE |
| Shank Diameter | 0.625 INCHES NOMINAL IN |
| Distance From Hole Center to Knob/skirt Base | 0.156 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN |
| Shaft Accommodation Style | ROUND |
| Length | 0.625 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN |
| Overall Thickness | 0.500 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Shank Length | 0.312 INCHES NOMINAL IN |
| Material Transparency | OPAQUE |
| Style Designator | CROSS |
| Setscrew Hole Quantity | 2 |
| Nominal Thread Size | 0.112 INCHES SCREW HOLE IN |
| Specification/standard Data | 80205-NAS1553 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Inside Diameter | 0.1865 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Shank Style | STRAIGHT |
| Gripping Surface Condition | GRIP AID |
| Color | NATURAL |
| Width | 0.625 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN |
| Screw Drive Type | HEXAGON SOCKET |
| Thread Quantity Per Inch | 40 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 |
|---|---|
| NAS1553 | 3/1 Design control — primary reference U.S. Government activity |
| NAS1553A1D3GG | 3/2 Design control — primary reference U.S. Government activity |
NSN 5355-01-170-8559 is a Knob, classified under FSC 5355, Knobs and Pointers. Status: active.
Key specifications for 5355-01-170-8559: Shank Diameter: 0.625 INCHES NOMINAL IN; Distance From Hole Center to Knob/skirt Base: 0.156 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN; Shaft Accommodation Style: ROUND; Length: 0.625 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN. 20 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.