The Knob, cataloged under National Stock Number 5355-00-962-8544, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Viavi Solutionsllc. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-00-962-8544 |
| Primary Part Number | W70268B1F |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Viavi Solutionsllc |
| Status | ACTIVE |
| Distance From Hole Center to Knob/skirt Base | 0.235 INCHES NOMINAL IN |
| Shaft Accommodation Style | COUNTERBORED |
| Overall Thickness | 0.637 INCHES MINIMUM AND 0.642 INCHES MAXIMUM IN |
| Style Designator | FLUTED FOILS |
| Counterbore Depth | 0.043 INCHES MINIMUM AND 0.048 INCHES MAXIMUM IN |
| Reference Marking | LINE |
| Setscrew Hole Quantity | 2 |
| Nominal Thread Size | 0.112 INCHES SCREW HOLE IN |
| Counterbore Diameter | 0.231 INCHES NOMINAL IN |
| Inside Diameter | 0.250 INCHES NOMINAL IN |
| Gripping Surface Condition | GRIP AID |
| Color | BLACK |
| Width | 0.500 INCHES NOMINAL IN |
| Screw Drive Type | HEXAGON SOCKET |
| Thread Quantity Per Inch | 40 SCREW HOLE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SCREW HOLE |
| Attachment Method | SETSCREWS |
| Fluted Foil Quantity | 6 |
| 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 |
|---|---|
| W70268B1F | Viavi Solutionsllc (USA) |
| 620-744 | Ampex Data Systems Corporation Dba Ampex Intelligent Systems (USA) |
| Reference | Meaning |
|---|---|
| W70268B1F | 3/9 Design control — primary reference G E C Marconi Communications Ltd |
| W70268B1F | C/1 Advisory reference — outside the item-of-supply concept Leonardo Mw Ltd |
NSN 5355-00-962-8544 is a Knob, manufactured by Viavi Solutionsllc, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-00-962-8544 has 2 manufacturer part numbers on file: W70268B1F (Viavi Solutionsllc), 620-744 (Ampex Data Systems Corporation Dba Ampex Intelligent Systems).
Key specifications for W70268B1F: Distance From Hole Center to Knob/skirt Base: 0.235 INCHES NOMINAL IN; Shaft Accommodation Style: COUNTERBORED; Overall Thickness: 0.637 INCHES MINIMUM AND 0.642 INCHES MAXIMUM IN; Style Designator: FLUTED FOILS. 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.