The Knob, cataloged under National Stock Number 5355-01-647-8326, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 17 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-01-647-8326 |
| Primary Part Number | 57715K23 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Step Length | 0.250 INCHES NOMINAL IN |
| Overall Thickness | 0.500 INCHES NOMINAL IN |
| Skirt Outside Diameter | 0.500 INCHES NOMINAL IN |
| Style Designator | FLUTED FOILS |
| Features Provided | ROHS DIRECTIVE COMPLIANCE |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES SETSCREW IN |
| Gripping Surface Condition | SMOOTH |
| Color | BLACK |
| Width | 1.125 INCHES NOMINAL IN |
| Step Diameter | 0.500 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 20 SETSCREW |
| Material | PLASTIC PHENOLIC |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SETSCREW |
| Skirt Style | RING |
| Attachment Method | MACHINE SCREW |
| Fluted Foil Quantity | 3 |
| 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 |
|---|---|
| 57715K23 PRIMARY | Mcmaster-Carr Supply Co (USA) |
NSN 5355-01-647-8326 is a Knob, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-01-647-8326 has 1 manufacturer part number on file: 57715K23 (Mcmaster-Carr Supply Co).
Key specifications for 57715K23: Step Length: 0.250 INCHES NOMINAL IN; Overall Thickness: 0.500 INCHES NOMINAL IN; Skirt Outside Diameter: 0.500 INCHES NOMINAL IN; Style Designator: FLUTED FOILS. 17 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.