The Knob, cataloged under National Stock Number 5355-00-221-6535, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Andrea Systems Llc. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5355-00-221-6535 |
| Primary Part Number | C26-8001-001 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Andrea Systems Llc |
| Status | ACTIVE |
| Shank Diameter | 0.656 INCHES NOMINAL IN |
| Distance From Hole Center to Knob/skirt Base | 0.375 INCHES NOMINAL IN |
| Shaft Accommodation Style | ROUND |
| Overall Thickness | 0.813 INCHES NOMINAL IN |
| Shank Length | 0.062 INCHES NOMINAL IN |
| Style Designator | ROUND |
| Outside Diameter | 0.750 INCHES NOMINAL IN |
| Reference Marking | LINE |
| Setscrew Hole Quantity | 2 |
| Nominal Thread Size | 0.138 INCHES SCREW HOLE IN |
| Inside Diameter | 0.126 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Shank Style | STRAIGHT |
| Gripping Surface Condition | GRIP AID |
| Color | GRAY/GREY |
| Screw Drive Type | HEXAGON SOCKET |
| Thread Quantity Per Inch | 32 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 |
| Part Number | Manufacturer |
|---|---|
| C26-8001-001 PRIMARY | Andrea Systems Llc (USA) |
| Reference | Meaning |
|---|---|
| C26-8001-001 | 5/9 Secondary reference Andrea Electronics Corporation |
NSN 5355-00-221-6535 is a Knob, manufactured by Andrea Systems Llc, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-00-221-6535 has 1 manufacturer part number on file: C26-8001-001 (Andrea Systems Llc).
Key specifications for C26-8001-001: Shank Diameter: 0.656 INCHES NOMINAL IN; Distance From Hole Center to Knob/skirt Base: 0.375 INCHES NOMINAL IN; Shaft Accommodation Style: ROUND; Overall Thickness: 0.813 INCHES NOMINAL IN. 18 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.