The Knob, cataloged under National Stock Number 5355-01-608-3955, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Penn Engineering & Manufacturing Corp. Government technical data includes 20 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-01-608-3955 |
| Primary Part Number | DDS-75-4-6 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Penn Engineering & Manufacturing Corp |
| Status | ACTIVE |
| Shank Diameter | 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN |
| Distance From Hole Center to Knob/skirt Base | 0.28 INCHES MINIMUM AND 0.29 INCHES MAXIMUM IN |
| Thread Tolerance Class | 2B EXTERNAL SETSCREW |
| Shaft Accommodation Style | SECTOR |
| Overall Thickness | 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN |
| Skirt Outside Diameter | 0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM IN |
| Shank Length | 0.42 INCHES MINIMUM IN |
| Style Designator | SKIRTED ROUND WITH WINDOW |
| Outside Diameter | 0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM IN |
| Reference Marking | TRIANGLE |
| Setscrew Hole Quantity | 2 |
| Nominal Thread Size | 6.0 INCHES SETSCREW IN |
| Shank Style | STRAIGHT |
| Color | BLACK |
| Thread Quantity Per Inch | 32 SETSCREW |
| Material | ALUMINUM ALLOY 6061 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SETSCREW |
| Skirt Style | FLARED |
| Inside Radius | 0.295 INCHES NOMINAL IN |
| Sector Angle | 120.0 DEGREES NOMINAL |
| 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 |
|---|---|
| DDS-75-4-6 PRIMARY | Penn Engineering & Manufacturing Corp (USA) |
| Reference | Meaning |
|---|---|
| 17-3-2594-1 | 7/2 Vendor item drawing reference U.S. Government activity |
| 664-2364 | 5/9 Secondary reference Allied Electronics |
NSN 5355-01-608-3955 is a Knob, manufactured by Penn Engineering & Manufacturing Corp, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-01-608-3955 has 1 manufacturer part number on file: DDS-75-4-6 (Penn Engineering & Manufacturing Corp).
Key specifications for DDS-75-4-6: Shank Diameter: 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN; Distance From Hole Center to Knob/skirt Base: 0.28 INCHES MINIMUM AND 0.29 INCHES MAXIMUM IN; Thread Tolerance Class: 2B EXTERNAL SETSCREW; Shaft Accommodation Style: SECTOR. 20 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.