The Knob, cataloged under National Stock Number 5355-00-900-6547, 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. Government technical data includes 11 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 | 5355-00-900-6547 |
| Primary Part Number | 224175 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Overall Thickness | 0.390 INCHES NOMINAL IN |
| Style Designator | CROWN |
| Outside Diameter | 1.125 INCHES NOMINAL IN |
| Nominal Thread Size | 0.375 INCHES STUD IN |
| Shank Style | STRAIGHT |
| Gripping Surface Condition | SMOOTH |
| Color | BLACK |
| Thread Quantity Per Inch | 32 STUD |
| Material | STEEL CORROSION RESISTING |
| Thread Series Designator | UNEF STUD |
| Attachment Method | STUD |
| 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 |
|---|---|
| 224175 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
NSN 5355-00-900-6547 is a Knob, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-00-900-6547 has 1 manufacturer part number on file: 224175 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-140-7803. Verify interchangeability with system specifications before substitution.
Key specifications for 224175: Overall Thickness: 0.390 INCHES NOMINAL IN; Style Designator: CROWN; Outside Diameter: 1.125 INCHES NOMINAL IN; Nominal Thread Size: 0.375 INCHES STUD IN. 11 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.