The Knob, cataloged under National Stock Number 5355-00-545-7572, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Smart Machines, Inc. Dba Barker and Williamson. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-00-545-7572 |
| Primary Part Number | 611628 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Smart Machines, Inc. Dba Barker and Williamson |
| Status | ACTIVE |
| Distance From Hole Center to Knob/skirt Base | 0.250 INCHES NOMINAL IN |
| Shaft Accommodation Style | ROUND |
| Length | 1.250 INCHES NOMINAL IN |
| Overall Thickness | 0.616 INCHES MINIMUM AND 0.696 INCHES MAXIMUM IN |
| Style Designator | BAR WITH SINGLE POINTER |
| Reference Marking | LINE |
| Setscrew Hole Quantity | 1 |
| Nominal Thread Size | 0.164 INCHES SCREW HOLE IN |
| Inside Diameter | 0.248 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Pointer Design | NONDETACHABLE |
| Gripping Surface Condition | SMOOTH |
| Color | RED |
| Width | 0.750 INCHES NOMINAL IN |
| Screw Drive Type | HEXAGON SOCKET |
| Thread Quantity Per Inch | 32 SCREW HOLE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SCREW HOLE |
| Attachment Method | SETSCREWS |
| 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 |
|---|---|
| 611628 PRIMARY | Smart Machines, Inc. Dba Barker and Williamson (USA) |
| Reference | Meaning |
|---|---|
| 611628 | 3/9 Design control — primary reference Barker & Williamson |
| 58225212Z | 5/2 Secondary reference U.S. Government activity |
NSN 5355-00-545-7572 is a Knob, manufactured by Smart Machines, Inc. Dba Barker and Williamson, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-00-545-7572 has 1 manufacturer part number on file: 611628 (Smart Machines, Inc. Dba Barker and Williamson).
Key specifications for 611628: Distance From Hole Center to Knob/skirt Base: 0.250 INCHES NOMINAL IN; Shaft Accommodation Style: ROUND; Length: 1.250 INCHES NOMINAL IN; Overall Thickness: 0.616 INCHES MINIMUM AND 0.696 INCHES MAXIMUM IN. 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.