The Knob, cataloged under National Stock Number 5355-00-720-5018, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is L3harris Technologies, Inc. Dba Harris Corporation. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-00-720-5018 |
| Primary Part Number | 422903-1 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | L3harris Technologies, Inc. Dba Harris Corporation |
| Status | ACTIVE |
| Distance From Hole Center to Knob/skirt Base | 0.281 INCHES NOMINAL IN |
| Shaft Accommodation Style | ROUND |
| Overall Thickness | 0.562 INCHES NOMINAL IN |
| Skirt Outside Diameter | 0.688 INCHES NOMINAL IN |
| Style Designator | FLUTED FOILS |
| Setscrew Hole Quantity | 1 |
| Nominal Thread Size | 0.138 INCHES SCREW HOLE IN |
| Inside Diameter | 0.253 INCHES NOMINAL IN |
| Gripping Surface Condition | SMOOTH |
| Skirt Design | NONDETACHABLE |
| Width | 1.000 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 | RING |
| Attachment Method | SETSCREWS OR HOLE |
| 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 |
|---|---|
| 422903-1 PRIMARY | L3harris Technologies, Inc. Dba Harris Corporation (USA) |
| Reference | Meaning |
|---|---|
| 58A30B21-1 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 58A30B21-1 | 5/9 Secondary reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 58A30B21-1 | 5/9 Secondary reference Naval Air Warfare Center Aircraft Div |
NSN 5355-00-720-5018 is a Knob, manufactured by L3harris Technologies, Inc. Dba Harris Corporation, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-00-720-5018 has 1 manufacturer part number on file: 422903-1 (L3harris Technologies, Inc. Dba Harris Corporation).
Key specifications for 422903-1: Distance From Hole Center to Knob/skirt Base: 0.281 INCHES NOMINAL IN; Shaft Accommodation Style: ROUND; Overall Thickness: 0.562 INCHES NOMINAL IN; Skirt Outside Diameter: 0.688 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.