The Knob, cataloged under National Stock Number 5355-01-033-3256, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-01-033-3256 |
| Primary Part Number | 628-2122-002 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| Status | ACTIVE |
| Distance From Hole Center to Knob/skirt Base | 0.310 INCHES NOMINAL IN |
| Shaft Accommodation Style | ROUND |
| Overall Thickness | 1.500 INCHES NOMINAL IN |
| Style Designator | ROUND |
| Outside Diameter | 0.250 INCHES NOMINAL IN |
| Reference Marking | LINE |
| Setscrew Hole Quantity | 2 |
| Nominal Thread Size | 0.086 INCHES SCREW HOLE IN |
| Inside Diameter | 0.127 INCHES MINIMUM AND 0.131 INCHES MAXIMUM IN |
| Gripping Surface Condition | GRIP AID |
| Color | GRAY/GREY |
| 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 |
|---|---|
| 628-2122-002 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| Reference | Meaning |
|---|---|
| 5355PL0170518 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5355-01-033-3256 is a Knob, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-01-033-3256 has 1 manufacturer part number on file: 628-2122-002 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
Key specifications for 628-2122-002: Distance From Hole Center to Knob/skirt Base: 0.310 INCHES NOMINAL IN; Shaft Accommodation Style: ROUND; Overall Thickness: 1.500 INCHES NOMINAL IN; Style Designator: ROUND. 16 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.