The Knob, cataloged under National Stock Number 5355-01-488-8380, 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 12 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 | 5355-01-488-8380 |
| Primary Part Number | 124-4322605 PC 44 |
| 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 | 0.250 INCHES NOMINAL IN |
| Overall Thickness | 0.250 INCHES NOMINAL IN |
| Skirt Outside Diameter | 0.625 INCHES NOMINAL IN |
| Style Designator | ROUND |
| Outside Diameter | 1.125 INCHES NOMINAL IN |
| Nominal Thread Size | 0.312 INCHES SCREW HOLE IN |
| Gripping Surface Condition | GRIP AID |
| Thread Quantity Per Inch | 18 SCREW HOLE |
| Material | COPPER ALLOY |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SCREW HOLE |
| Skirt Style | RING |
| 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 |
|---|---|
| 124-4322605 PC 44 PRIMARY | Naval Sea Systems Command (USA) |
| 124-4322603 PC 1 | Naval Sea Systems Command (USA) |
NSN 5355-01-488-8380 is a Knob, manufactured by Naval Sea Systems Command, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-01-488-8380 has 2 manufacturer part numbers on file: 124-4322605 PC 44 (Naval Sea Systems Command), 124-4322603 PC 1 (Naval Sea Systems Command).
Key specifications for 124-4322605 PC 44: Distance From Hole Center to Knob/skirt Base: 0.250 INCHES NOMINAL IN; Overall Thickness: 0.250 INCHES NOMINAL IN; Skirt Outside Diameter: 0.625 INCHES NOMINAL IN; Style Designator: ROUND. 12 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.