The Knob, cataloged under National Stock Number 5355-01-061-5861, 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 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-01-061-5861 |
| Primary Part Number | 637566 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Distance From Hole Center to Knob/skirt Base | 0.340 INCHES NOMINAL IN |
| Overall Thickness | 0.870 INCHES NOMINAL IN |
| Skirt Outside Diameter | 1.250 INCHES NOMINAL IN |
| Style Designator | ROUND |
| Material Document and Classification | QQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE |
| Outside Diameter | 0.900 INCHES NOMINAL IN |
| Setscrew Hole Quantity | 2 |
| Gripping Surface Condition | GRIP AID |
| Color | GRAY, FED STD 595, 36231 |
| Skirt Design | NONDETACHABLE |
| Material | ALUMINUM ALLOY 6061 |
| Skirt Style | FLARED |
| 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 |
|---|---|
| 637566 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
NSN 5355-01-061-5861 is a Knob, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-01-061-5861 has 1 manufacturer part number on file: 637566 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
Key specifications for 637566: Distance From Hole Center to Knob/skirt Base: 0.340 INCHES NOMINAL IN; Overall Thickness: 0.870 INCHES NOMINAL IN; Skirt Outside Diameter: 1.250 INCHES NOMINAL IN; Style Designator: ROUND. 13 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.