The Knob, cataloged under National Stock Number 5355-01-170-6335, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Roller Bearing Co of America, Inc Div Pic Design. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-01-170-6335 |
| Primary Part Number | BG-4 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Roller Bearing Co of America, Inc Div Pic Design |
| Status | ACTIVE |
| Shank Diameter | 0.375 INCHES NOMINAL IN |
| Distance From Hole Center to Knob/skirt Base | 0.099 INCHES MINIMUM AND 0.119 INCHES MAXIMUM IN |
| Shaft Accommodation Style | ROUND |
| Overall Thickness | 0.385 INCHES MINIMUM AND 0.425 INCHES MAXIMUM IN |
| Shank Length | 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN |
| Material Transparency | OPAQUE |
| Style Designator | ROUND |
| Outside Diameter | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN |
| Setscrew Hole Quantity | 2 |
| Nominal Thread Size | 0.112 INCHES SCREW HOLE IN |
| Inside Diameter | 0.1873 INCHES MINIMUM AND 0.1878 INCHES MAXIMUM IN |
| Shank Style | STRAIGHT |
| Gripping Surface Condition | GRIP AID |
| Color | NATURAL |
| Screw Drive Type | HEXAGON SOCKET |
| Thread Quantity Per Inch | 40 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 |
|---|---|
| BG-4 PRIMARY | Roller Bearing Co of America, Inc Div Pic Design (USA) |
| Reference | Meaning |
|---|---|
| 12616998 | 7/2 Vendor item drawing reference Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
NSN 5355-01-170-6335 is a Knob, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-01-170-6335 has 1 manufacturer part number on file: BG-4 (Roller Bearing Co of America, Inc Div Pic Design).
1 possible match (shared part number, not a government interchangeability claim): 4240-01-518-2845. Verify interchangeability with system specifications before substitution.
Key specifications for BG-4: Shank Diameter: 0.375 INCHES NOMINAL IN; Distance From Hole Center to Knob/skirt Base: 0.099 INCHES MINIMUM AND 0.119 INCHES MAXIMUM IN; Shaft Accommodation Style: ROUND; Overall Thickness: 0.385 INCHES MINIMUM AND 0.425 INCHES MAXIMUM 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.