The Knob, cataloged under National Stock Number 5355-01-494-5592, 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 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-01-494-5592 |
| Primary Part Number | 556-6408589-66 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Distance From Hole Center to Knob/skirt Base | 0.120 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN |
| Shaft Accommodation Style | ROUND |
| Overall Thickness | 0.520 INCHES MINIMUM AND 0.540 INCHES MAXIMUM IN |
| Style Designator | ROUND |
| Outside Diameter | 0.620 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.164 INCHES SCREW HOLE IN |
| Inside Diameter | 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN |
| Gripping Surface Condition | SMOOTH |
| Thread Quantity Per Inch | 32 SCREW HOLE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SCREW HOLE |
| Attachment Method | HOLE |
| 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 |
|---|---|
| 14509378 | Naval Sea Systems Command (USA) |
| 556-6408589-66 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5355-01-494-5592 is a Knob, manufactured by Naval Sea Systems Command, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-01-494-5592 has 2 manufacturer part numbers on file: 14509378 (Naval Sea Systems Command), 556-6408589-66 (Naval Sea Systems Command).
Key specifications for 556-6408589-66: Distance From Hole Center to Knob/skirt Base: 0.120 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN; Shaft Accommodation Style: ROUND; Overall Thickness: 0.520 INCHES MINIMUM AND 0.540 INCHES MAXIMUM IN; Style Designator: ROUND. 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.