The Knob, cataloged under National Stock Number 5355-00-034-0990, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-00-034-0990 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Status | ACTIVE |
| Distance From Hole Center to Knob/skirt Base | 0.435 INCHES MINIMUM AND 0.445 INCHES MAXIMUM IN |
| Shaft Accommodation Style | COUNTERBORED |
| Overall Thickness | 1.649 INCHES MINIMUM AND 1.659 INCHES MAXIMUM IN |
| Style Designator | ROUND WITH CRANK |
| Counterbore Depth | 0.255 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN |
| Setscrew Hole Quantity | 2 |
| Nominal Thread Size | 0.138 INCHES SCREW HOLE IN |
| Counterbore Diameter | 0.685 INCHES MINIMUM AND 0.695 INCHES MAXIMUM IN |
| Inside Diameter | 0.251 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN |
| Gripping Surface Condition | SMOOTH |
| Color | BLACK |
| Width | 1.145 INCHES MINIMUM AND 1.155 INCHES MAXIMUM IN |
| Screw Drive Type | CROSS RECESS TYPE 1 |
| 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 |
| Reference | Meaning |
|---|---|
| SMB423171 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
| SMB423171 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories |
| SM-B-423171 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5355-00-034-0990 is a Knob, classified under FSC 5355, Knobs and Pointers. Status: active.
Key specifications for 5355-00-034-0990: Distance From Hole Center to Knob/skirt Base: 0.435 INCHES MINIMUM AND 0.445 INCHES MAXIMUM IN; Shaft Accommodation Style: COUNTERBORED; Overall Thickness: 1.649 INCHES MINIMUM AND 1.659 INCHES MAXIMUM IN; Style Designator: ROUND WITH CRANK. 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.