The Knob, cataloged under National Stock Number 5355-00-853-8570, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems. Government technical data includes 21 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 | 5355-00-853-8570 |
| Primary Part Number | PHI3159 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems |
| Status | ACTIVE |
| Shank Diameter | 0.365 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN |
| Distance From Hole Center to Knob/skirt Base | 0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN |
| Shaft Accommodation Style | ROUND |
| Surface Treatment Document and Classification | MIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE |
| Overall Thickness | 0.776 INCHES MINIMUM AND 0.786 INCHES MAXIMUM IN |
| Shank Length | 0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN |
| Style Designator | ROUND |
| Material Document and Classification | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE |
| Outside Diameter | 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN |
| Reference Marking | PUSH TO SET AND D |
| Setscrew Hole Quantity | 2 |
| Nominal Thread Size | 0.086 INCHES SCREW HOLE IN |
| Inside Diameter | 0.1250 INCHES MINIMUM AND 0.1255 INCHES MAXIMUM IN |
| Shank Style | STRAIGHT |
| Gripping Surface Condition | GRIP AID |
| Color | BLACK |
| Surface Treatment | ANODIZE |
| Thread Quantity Per Inch | 56 SCREW HOLE |
| Material | ALUMINUM ALLOY 2024 |
| 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 |
|---|---|
| PHI3159 PRIMARY | General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems (CAN) |
NSN 5355-00-853-8570 is a Knob, manufactured by General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-00-853-8570 has 1 manufacturer part number on file: PHI3159 (General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems).
Key specifications for PHI3159: Shank Diameter: 0.365 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN; Distance From Hole Center to Knob/skirt Base: 0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN; Shaft Accommodation Style: ROUND; Surface Treatment Document and Classification: MIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE. 21 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.