The Knob, cataloged under National Stock Number 5355-01-446-9300, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-01-446-9300 |
| Primary Part Number | 556-6408576-46 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Style Designator | ROUND |
| Outside Diameter | 1.230 INCHES NOMINAL IN |
| Nominal Thread Size | 0.250 INCHES SOCKET INTERNAL IN |
| Thread Quantity Per Inch | 20 SOCKET INTERNAL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SOCKET INTERNAL |
| 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 |
|---|---|
| 556-6408576-46 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 211095494 | 5/9 Secondary reference Naval Sea Systems Command |
NSN 5355-01-446-9300 is a Knob, manufactured by Naval Sea Systems Command, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-01-446-9300 has 1 manufacturer part number on file: 556-6408576-46 (Naval Sea Systems Command).
Key specifications for 556-6408576-46: Style Designator: ROUND; Outside Diameter: 1.230 INCHES NOMINAL IN; Nominal Thread Size: 0.250 INCHES SOCKET INTERNAL IN; Thread Quantity Per Inch: 20 SOCKET INTERNAL. 6 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.