The Knob, cataloged under National Stock Number 5355-00-180-8657, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-00-180-8657 |
| Primary Part Number | 173AS366-2 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Distance From Hole Center to Knob/skirt Base | 0.380 INCHES NOMINAL IN |
| Shaft Accommodation Style | COUNTERBORED |
| Length | 1.120 INCHES NOMINAL IN |
| Overall Thickness | 0.880 INCHES NOMINAL IN |
| Skirt Outside Diameter | 2.000 INCHES NOMINAL IN |
| Style Designator | BAR |
| Counterbore Depth | 0.140 INCHES NOMINAL IN |
| Setscrew Hole Quantity | 2 |
| Nominal Thread Size | 0.138 INCHES SCREW HOLE IN |
| Counterbore Diameter | 0.400 INCHES NOMINAL IN |
| Inside Diameter | 0.257 INCHES NOMINAL IN |
| Gripping Surface Condition | GRIP AID |
| Skirt Design | DETACHABLE |
| Width | 0.620 INCHES NOMINAL IN |
| Screw Drive Type | HEXAGON SOCKET |
| Thread Quantity Per Inch | 32 SCREW HOLE |
| Material | PLASTIC |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SCREW HOLE |
| Skirt Style | STEPPED |
| 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 |
|---|---|
| 173AS366-2 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 5355-00-180-8657 is a Knob, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-00-180-8657 has 1 manufacturer part number on file: 173AS366-2 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 173AS366-2: Distance From Hole Center to Knob/skirt Base: 0.380 INCHES NOMINAL IN; Shaft Accommodation Style: COUNTERBORED; Length: 1.120 INCHES NOMINAL IN; Overall Thickness: 0.880 INCHES NOMINAL IN. 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.