The Knob, cataloged under National Stock Number 5355-01-020-6941, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Kurz-Kasch Inc. Government technical data includes 17 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-01-020-6941 |
| Primary Part Number | S309-3-BB |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Kurz-Kasch Inc |
| Status | ACTIVE |
| Shank Diameter | 1.188 INCHES NOMINAL IN |
| Distance From Hole Center to Knob/skirt Base | 0.250 INCHES NOMINAL IN |
| Shaft Accommodation Style | ROUND |
| Overall Thickness | 0.750 INCHES NOMINAL IN |
| Shank Length | 0.406 INCHES NOMINAL IN |
| Style Designator | ROUND |
| Outside Diameter | 1.625 INCHES NOMINAL IN |
| Setscrew Hole Quantity | 2 |
| Nominal Thread Size | 0.190 INCHES SCREW HOLE IN |
| Inside Diameter | 0.250 INCHES NOMINAL IN |
| Shank Style | STRAIGHT |
| Gripping Surface Condition | GRIP AID |
| Color | BLACK |
| Screw Drive Type | SLOT |
| Thread Quantity Per Inch | 32 SCREW HOLE |
| Thread Series Designator | UNF 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 |
|---|---|
| S309-3-BB PRIMARY | Kurz-Kasch Inc (USA) |
NSN 5355-01-020-6941 is a Knob, manufactured by Kurz-Kasch Inc, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-01-020-6941 has 1 manufacturer part number on file: S309-3-BB (Kurz-Kasch Inc).
Key specifications for S309-3-BB: Shank Diameter: 1.188 INCHES NOMINAL IN; Distance From Hole Center to Knob/skirt Base: 0.250 INCHES NOMINAL IN; Shaft Accommodation Style: ROUND; Overall Thickness: 0.750 INCHES NOMINAL IN. 17 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.