The Knob, cataloged under National Stock Number 5355-01-080-2250, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Astronautics Corporation of America. Government technical data includes 15 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 | 5355-01-080-2250 |
| Primary Part Number | 125133 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Astronautics Corporation of America |
| Status | ACTIVE |
| Distance From Hole Center to Knob/skirt Base | 0.310 INCHES NOMINAL IN |
| Shaft Accommodation Style | ROUND |
| Overall Thickness | 0.830 INCHES NOMINAL IN |
| Style Designator | ROUND |
| Outside Diameter | 0.640 INCHES NOMINAL IN |
| Reference Marking | ARROW AND LINE |
| Setscrew Hole Quantity | 2 |
| Nominal Thread Size | 0.086 INCHES SCREW HOLE IN |
| Inside Diameter | 0.126 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN |
| Gripping Surface Condition | GRIP AID |
| Screw Drive Type | CROSS RECESS TYPE 1 |
| Thread Quantity Per Inch | 56 SCREW HOLE |
| Material | ALUMINUM ALLOY 6061 |
| 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 |
|---|---|
| 125133 PRIMARY | Astronautics Corporation of America (USA) |
NSN 5355-01-080-2250 is a Knob, manufactured by Astronautics Corporation of America, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-01-080-2250 has 1 manufacturer part number on file: 125133 (Astronautics Corporation of America).
Key specifications for 125133: Distance From Hole Center to Knob/skirt Base: 0.310 INCHES NOMINAL IN; Shaft Accommodation Style: ROUND; Overall Thickness: 0.830 INCHES NOMINAL IN; Style Designator: ROUND. 15 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.