The Knob, cataloged under National Stock Number 5355-00-644-4170, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Electronic Hardware Corp Dba Electronic Hardware Corp. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5355-00-644-4170 |
| Primary Part Number | PC2D2S |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Electronic Hardware Corp Dba Electronic Hardware Corp |
| Status | ACTIVE |
| Distance From Hole Center to Knob/skirt Base | 0.531 INCHES NOMINAL IN |
| Shaft Accommodation Style | ROUND |
| Overall Thickness | 1.000 INCHES NOMINAL IN |
| Style Designator | ROUND |
| Outside Diameter | 0.875 INCHES NOMINAL IN |
| Setscrew Hole Quantity | 2 |
| Nominal Thread Size | 0.164 INCHES SCREW HOLE IN |
| Inside Diameter | 0.251 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Gripping Surface Condition | GRIP AID |
| Color | BLACK |
| 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 |
|---|---|
| PC2D2S PRIMARY | Electronic Hardware Corp Dba Electronic Hardware Corp (USA) |
| Reference | Meaning |
|---|---|
| NPS9D2S | 5/9 Secondary reference Dar Electronics Inc Commercial Products Div Dba National Radio Co |
NSN 5355-00-644-4170 is a Knob, manufactured by Electronic Hardware Corp Dba Electronic Hardware Corp, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-00-644-4170 has 1 manufacturer part number on file: PC2D2S (Electronic Hardware Corp Dba Electronic Hardware Corp).
Key specifications for PC2D2S: Distance From Hole Center to Knob/skirt Base: 0.531 INCHES NOMINAL IN; Shaft Accommodation Style: ROUND; Overall Thickness: 1.000 INCHES NOMINAL IN; Style Designator: ROUND. 14 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.