The Knob, cataloged under National Stock Number 5355-00-948-4455, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-00-948-4455 |
| Primary Part Number | 84558-2 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple |
| Status | ACTIVE |
| Shank Diameter | 0.562 INCHES NOMINAL IN |
| Distance From Hole Center to Knob/skirt Base | 0.250 INCHES NOMINAL IN |
| Shaft Accommodation Style | ROUND |
| Overall Thickness | 0.625 INCHES NOMINAL IN |
| Shank Length | 0.094 INCHES NOMINAL IN |
| Style Designator | FLUTED FOILS |
| Reference Marking | LINE |
| Setscrew Hole Quantity | 1 |
| Nominal Thread Size | 0.164 INCHES SCREW HOLE IN |
| Inside Diameter | 0.222 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN |
| Shank Style | STRAIGHT |
| Gripping Surface Condition | GRIP AID |
| Color | GRAY/GREY |
| Width | 0.625 INCHES NOMINAL IN |
| Screw Drive Type | CROSS RECESS TYPE 1 |
| Thread Quantity Per Inch | 32 SCREW HOLE |
| Material | PLASTIC |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SCREW HOLE |
| Attachment Method | SETSCREWS |
| Fluted Foil Quantity | 12 |
| 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 |
|---|---|
| 84558-2 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA) |
| 84558 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA) |
| FNA2564-3P1A | Electronic Hardware Corp Dba Electronic Hardware Corp (USA) |
| Reference | Meaning |
|---|---|
| 533-053-59 | 5/9 Secondary reference Dupree Inc Aerospace Knob Co Div |
| CPC4477 | 5/2 Secondary reference U.S. Government activity |
| 84558-2 | 7/9 Vendor item drawing reference Northrop Grumman Systems Corporation Div Es Defensive Systems Division |
| FNA2564-3P1A | 5/9 Secondary reference Felsenthal Electronics Corp Sub of Electronic Hardware Corp |
| 533-053-59 | 3/2 Design control — primary reference U.S. Government activity |
| 84558 | 5/9 Secondary reference Northrop Grumman Systems Corporation Div Es Defensive Systems Division |
NSN 5355-00-948-4455 is a Knob, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-00-948-4455 has 3 manufacturer part numbers on file: 84558-2 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple), 84558 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple), FNA2564-3P1A (Electronic Hardware Corp Dba Electronic Hardware Corp).
Key specifications for 84558-2: Shank Diameter: 0.562 INCHES NOMINAL IN; Distance From Hole Center to Knob/skirt Base: 0.250 INCHES NOMINAL IN; Shaft Accommodation Style: ROUND; Overall Thickness: 0.625 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.