The Knob, cataloged under National Stock Number 5355-01-416-6321, 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 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-01-416-6321 |
| Primary Part Number | 556-6406598-MACD |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Shaft Accommodation Style | ROUND |
| Overall Thickness | 0.620 INCHES NOMINAL IN |
| Style Designator | TAPERED WITH COUNTERSUNK FACE |
| Outside Diameter | 0.620 INCHES NOMINAL IN |
| Nominal Thread Size | 0.164 INCHES SCREW HOLE IN |
| Inside Diameter | 0.164 INCHES NOMINAL IN |
| Gripping Surface Condition | SMOOTH |
| Thread Quantity Per Inch | 32 SCREW HOLE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SCREW HOLE |
| Attachment Method | SCREW ON |
| 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 |
|---|---|
| 211067427 | Naval Sea Systems Command (USA) |
| 218002330 | Naval Sea Systems Command (USA) |
| 556-6406598-MACD PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 556-6406598 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 5355-01-416-6321 is a Knob, manufactured by Naval Sea Systems Command, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-01-416-6321 has 3 manufacturer part numbers on file: 211067427 (Naval Sea Systems Command), 218002330 (Naval Sea Systems Command), 556-6406598-MACD (Naval Sea Systems Command).
Key specifications for 556-6406598-MACD: Shaft Accommodation Style: ROUND; Overall Thickness: 0.620 INCHES NOMINAL IN; Style Designator: TAPERED WITH COUNTERSUNK FACE; Outside Diameter: 0.620 INCHES NOMINAL IN. 10 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.