The Knob, cataloged under National Stock Number 5355-00-550-1556, 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 Electronic Systems. Government technical data includes 19 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 | 5355-00-550-1556 |
| Primary Part Number | 973B262H01 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Northrop Grumman Systems Corporation Dba Electronic Systems |
| Status | ACTIVE |
| Distance From Hole Center to Knob/skirt Base | 0.250 INCHES NOMINAL IN |
| Thread Tolerance Class | 3A EXTERNAL SCREW HOLE A |
| Shaft Accommodation Style | ROUND |
| Length | 1.515 INCHES NOMINAL IN |
| Overall Thickness | 0.630 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN |
| Material Transparency | OPAQUE |
| Style Designator | BAR WITH SINGLE POINTER |
| 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 |
| Pointer Design | NONDETACHABLE |
| Gripping Surface Condition | GRIP AID |
| Color | GRAY, FED STD 595, 36231 |
| Width | 0.690 INCHES MINIMUM AND 0.730 INCHES MAXIMUM IN |
| Screw Drive Type | HEXAGON SOCKET OR SLOT |
| Thread Quantity Per Inch | 32 SCREW HOLE |
| Material | PLASTIC |
| 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 |
|---|---|
| 973B262H01 PRIMARY | Northrop Grumman Systems Corporation Dba Electronic Systems (USA) |
NSN 5355-00-550-1556 is a Knob, manufactured by Northrop Grumman Systems Corporation Dba Electronic Systems, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-00-550-1556 has 1 manufacturer part number on file: 973B262H01 (Northrop Grumman Systems Corporation Dba Electronic Systems).
Key specifications for 973B262H01: Distance From Hole Center to Knob/skirt Base: 0.250 INCHES NOMINAL IN; Thread Tolerance Class: 3A EXTERNAL SCREW HOLE A; Shaft Accommodation Style: ROUND; Length: 1.515 INCHES NOMINAL IN. 19 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.