The Knob, cataloged under National Stock Number 5355-01-486-2834, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Abb Installation Products Inc. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5355-01-486-2834 |
| Primary Part Number | PKB90B1/4 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Abb Installation Products Inc |
| Status | ACTIVE |
| Distance From Hole Center to Knob/skirt Base | 0.120 INCHES NOMINAL IN |
| Overall Thickness | 0.820 INCHES NOMINAL IN |
| Style Designator | SKIRTED ROUND WITH WINDOW |
| Outside Diameter | 1.500 INCHES NOMINAL IN |
| Setscrew Hole Quantity | 1 |
| Nominal Thread Size | 0.138 INCHES SCREW HOLE IN |
| Gripping Surface Condition | GRIP AID |
| 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 |
|---|---|
| PKB90B1/4 PRIMARY | Abb Installation Products Inc (USA) |
| Reference | Meaning |
|---|---|
| 3308441-1 | 5/2 Secondary reference U.S. Government activity |
| 3308441 | D/9 Drawing number reference only U.S. Government activity |
NSN 5355-01-486-2834 is a Knob, manufactured by Abb Installation Products Inc, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-01-486-2834 has 1 manufacturer part number on file: PKB90B1/4 (Abb Installation Products Inc).
Key specifications for PKB90B1/4: Distance From Hole Center to Knob/skirt Base: 0.120 INCHES NOMINAL IN; Overall Thickness: 0.820 INCHES NOMINAL IN; Style Designator: SKIRTED ROUND WITH WINDOW; Outside Diameter: 1.500 INCHES NOMINAL IN. 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.