The Knob, cataloged under National Stock Number 5355-01-171-0666, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Te Connectivity Corporation. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-01-171-0666 |
| Primary Part Number | PKG-40B-1/8 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Te Connectivity Corporation |
| Status | ACTIVE |
| Distance From Hole Center to Knob/skirt Base | 0.197 INCHES NOMINAL IN |
| Shaft Accommodation Style | COUNTERBORED |
| Overall Thickness | 0.472 INCHES NOMINAL IN |
| Material Transparency | OPAQUE |
| Style Designator | CROWN |
| Outside Diameter | 0.437 INCHES NOMINAL IN |
| Counterbore Depth | 0.075 INCHES NOMINAL IN |
| Reference Marking | INDICATOR DOT |
| Setscrew Hole Quantity | 1 |
| Nominal Thread Size | 0.112 INCHES SCREW HOLE IN |
| Counterbore Diameter | 0.315 INCHES NOMINAL IN |
| Inside Diameter | 0.125 INCHES NOMINAL IN |
| Gripping Surface Condition | GRIP AID |
| Color | BLACK AND WHITE |
| Screw Drive Type | HEXAGON SOCKET |
| Thread Quantity Per Inch | 40 SCREW HOLE |
| Material | ALUMINUM AND COPPER ALLOY AND PLASTIC PHENOLIC AND STEEL |
| 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 |
|---|---|
| PKG-40B-1/8 PRIMARY | Te Connectivity Corporation (USA) |
| Reference | Meaning |
|---|---|
| PKG-40B-1/8 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5355-01-171-0666 is a Knob, manufactured by Te Connectivity Corporation, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-01-171-0666 has 1 manufacturer part number on file: PKG-40B-1/8 (Te Connectivity Corporation).
Key specifications for PKG-40B-1/8: Distance From Hole Center to Knob/skirt Base: 0.197 INCHES NOMINAL IN; Shaft Accommodation Style: COUNTERBORED; Overall Thickness: 0.472 INCHES NOMINAL IN; Material Transparency: OPAQUE. 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.