The Knob, cataloged under National Stock Number 5355-00-341-7612, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Leonardo Uk Ltd. 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through both NSN and commercial part number lookups. 12 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-00-341-7612 |
| Primary Part Number | 411123-774 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Leonardo Uk Ltd |
| Status | ACTIVE |
| Distance From Hole Center to Knob/skirt Base | 0.260 INCHES MAXIMUM IN |
| Inside Width | 0.222 INCHES MINIMUM AND 0.227 INCHES MAXIMUM IN |
| Shaft Accommodation Style | FLATTED ONE SIDE |
| Overall Thickness | 0.820 INCHES MINIMUM AND 0.880 INCHES MAXIMUM IN |
| Material Transparency | OPAQUE |
| Style Designator | ROUND |
| Outside Diameter | 1.740 INCHES MINIMUM AND 1.780 INCHES MAXIMUM IN |
| Setscrew Hole Quantity | 2 |
| Nominal Thread Size | 0.164 INCHES SCREW HOLE IN |
| Inside Diameter | 0.252 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN |
| Gripping Surface Condition | GRIP AID |
| Color | BLACK, LUSTERLESS |
| 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 |
|---|---|
| 411123-774 | Leonardo Uk Ltd (GBR) |
| Reference | Meaning |
|---|---|
| KMS17N2DL | 5/9 Secondary reference Dar Electronics Inc Dba National Radio Co |
| KMS17N2DL | 5/9 Secondary reference Dar Electronics Inc Commercial Products Div Dba National Radio Co |
| 411123-774 | 5/9 Secondary reference Leonardo Mw Ltd |
| MS91528-4N4B | 3/2 Design control — primary reference U.S. Government activity |
| 175-1-2DG | 5/9 Secondary reference Raytheon Company Dba Raytheon Co |
| MS91528-4N4B | 5/9 Secondary reference U.S. Government activity |
| M91528-4N4B | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 4N4B | 5/9 Secondary reference Electronic Hardware Corp Dba Electronic Hardware Corp |
| 171ADMA | 5/9 Secondary reference U.S. Government activity |
| KMS17N2DL | 5/9 Secondary reference U.S. Government activity |
| 175-1-2DG | 5/9 Secondary reference Raytheon Company Div Corp |
| NASM3926 | 3/1 Design control — primary reference U.S. Government activity |
NSN 5355-00-341-7612 is a Knob, manufactured by Leonardo Uk Ltd, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-00-341-7612 has 1 manufacturer part number on file: 411123-774 (Leonardo Uk Ltd).
Key specifications for 411123-774: Distance From Hole Center to Knob/skirt Base: 0.260 INCHES MAXIMUM IN; Inside Width: 0.222 INCHES MINIMUM AND 0.227 INCHES MAXIMUM IN; Shaft Accommodation Style: FLATTED ONE SIDE; Overall Thickness: 0.820 INCHES MINIMUM AND 0.880 INCHES MAXIMUM IN. 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.