The Knob, cataloged under National Stock Number 5355-00-449-1461, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5355-00-449-1461 |
| Primary Part Number | 136997 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Shank Diameter | 0.781 INCHES NOMINAL IN |
| Distance From Hole Center to Knob/skirt Base | 0.125 INCHES NOMINAL IN |
| Shaft Accommodation Style | ROUND |
| Overall Thickness | 0.469 INCHES NOMINAL IN |
| Shank Length | 0.407 INCHES NOMINAL IN |
| Style Designator | ROUND |
| Outside Diameter | 1.375 INCHES NOMINAL IN |
| Reference Marking | ARROW |
| Setscrew Hole Quantity | 2 |
| Nominal Thread Size | 0.138 INCHES SCREW HOLE IN |
| Inside Diameter | 0.250 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN |
| Shank Style | STRAIGHT |
| Gripping Surface Condition | SMOOTH |
| Screw Drive Type | CROSS RECESS TYPE 1 |
| Thread Quantity Per Inch | 32 SCREW HOLE |
| Material | STEEL CORROSION RESISTING |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SCREW HOLE |
| Attachment Method | SETSCREWS AND UNTHREADED COUNTERBORED HOLE |
| 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 |
|---|---|
| 136997 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| 136997 | 5/9 Secondary reference Teledyne Electronics Teledyne Industries Inc Sub of Teledyne Inc |
NSN 5355-00-449-1461 is a Knob, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-00-449-1461 has 1 manufacturer part number on file: 136997 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
Key specifications for 136997: Shank Diameter: 0.781 INCHES NOMINAL IN; Distance From Hole Center to Knob/skirt Base: 0.125 INCHES NOMINAL IN; Shaft Accommodation Style: ROUND; Overall Thickness: 0.469 INCHES NOMINAL IN. 18 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.