The Knob, cataloged under National Stock Number 5355-00-689-6920, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Instrument Systems Corp. Government technical data includes 20 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-00-689-6920 |
| Primary Part Number | 6013-51 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Instrument Systems Corp |
| Status | ACTIVE |
| Shank Diameter | 0.718 INCHES NOMINAL IN |
| Distance From Hole Center to Knob/skirt Base | 0.720 INCHES NOMINAL IN |
| Shaft Accommodation Style | COUNTERBORED |
| Overall Thickness | 0.970 INCHES NOMINAL IN |
| Shank Length | 0.060 INCHES NOMINAL IN |
| Style Designator | ROUND |
| Outside Diameter | 0.780 INCHES NOMINAL IN |
| Counterbore Depth | 0.615 INCHES NOMINAL IN |
| Reference Marking | HDG SET |
| Setscrew Hole Quantity | 2 |
| Nominal Thread Size | 0.112 INCHES SCREW HOLE IN |
| Counterbore Diameter | 0.656 INCHES NOMINAL IN |
| Inside Diameter | 0.250 INCHES NOMINAL IN |
| Shank Style | STRAIGHT |
| Gripping Surface Condition | GRIP AID |
| Screw Drive Type | CROSS RECESS TYPE 1 |
| Thread Quantity Per Inch | 40 SCREW HOLE |
| Material | ALUMINUM ALLOY 2024 |
| 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 |
|---|---|
| 6013-51 PRIMARY | Instrument Systems Corp (USA) |
NSN 5355-00-689-6920 is a Knob, manufactured by Instrument Systems Corp, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-00-689-6920 has 1 manufacturer part number on file: 6013-51 (Instrument Systems Corp).
1 possible match (shared part number, not a government interchangeability claim): 5930-01-061-9770. Verify interchangeability with system specifications before substitution.
Key specifications for 6013-51: Shank Diameter: 0.718 INCHES NOMINAL IN; Distance From Hole Center to Knob/skirt Base: 0.720 INCHES NOMINAL IN; Shaft Accommodation Style: COUNTERBORED; Overall Thickness: 0.970 INCHES NOMINAL 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.