The Knob, cataloged under National Stock Number 5355-00-089-2124, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-00-089-2124 |
| Primary Part Number | 649-3L-BBALLENSS |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Kurz-Kasch Inc |
| Status | ACTIVE |
| Distance From Hole Center to Knob/skirt Base | 0.406 INCHES NOMINAL IN |
| Shaft Accommodation Style | ROUND |
| Overall Thickness | 0.875 INCHES NOMINAL IN |
| Skirt Outside Diameter | 2.000 INCHES NOMINAL IN |
| Style Designator | FLUTED FOILS |
| Setscrew Hole Quantity | 2 |
| Nominal Thread Size | 0.164 INCHES SCREW HOLE IN |
| Inside Diameter | 0.252 INCHES NOMINAL IN |
| Gripping Surface Condition | SMOOTH |
| Skirt Design | NONDETACHABLE |
| Width | 1.625 INCHES NOMINAL IN |
| Screw Drive Type | HEXAGON SOCKET |
| Thread Quantity Per Inch | 32 SCREW HOLE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SCREW HOLE |
| Skirt Style | FLARED |
| Attachment Method | SETSCREWS |
| Fluted Foil Quantity | 7 |
| 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 |
|---|---|
| 649-3L-BBALLENSS PRIMARY | Kurz-Kasch Inc (USA) |
| Reference | Meaning |
|---|---|
| S649-3LBBALLENSS | 5/9 Secondary reference Kurz-Kasch Inc |
NSN 5355-00-089-2124 is a Knob, manufactured by Kurz-Kasch Inc, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-00-089-2124 has 1 manufacturer part number on file: 649-3L-BBALLENSS (Kurz-Kasch Inc).
Key specifications for 649-3L-BBALLENSS: Distance From Hole Center to Knob/skirt Base: 0.406 INCHES NOMINAL IN; Shaft Accommodation Style: ROUND; Overall Thickness: 0.875 INCHES NOMINAL IN; Skirt Outside Diameter: 2.000 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.