The Knob, cataloged under National Stock Number 5355-00-841-3340, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Electro Switch Corp Div Electroswitch. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-00-841-3340 |
| Primary Part Number | P168 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Electro Switch Corp Div Electroswitch |
| Status | ACTIVE |
| Distance From Hole Center to Knob/skirt Base | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Shaft Accommodation Style | COUNTERBORED |
| Length | 1.990 INCHES MINIMUM AND 2.010 INCHES MAXIMUM IN |
| Overall Thickness | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN |
| Style Designator | BAR WITH SINGLE POINTER |
| Counterbore Depth | 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN |
| Reference Marking | LINE |
| Setscrew Hole Quantity | 2 |
| Nominal Thread Size | 0.164 INCHES SCREW HOLE IN |
| Counterbore Diameter | 0.646 INCHES MINIMUM AND 0.666 INCHES MAXIMUM IN |
| Inside Diameter | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Pointer Design | NONDETACHABLE |
| Gripping Surface Condition | SMOOTH |
| Width | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| Screw Drive Type | CROSS RECESS TYPE 1 |
| 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 |
|---|---|
| P168 PRIMARY | Electro Switch Corp Div Electroswitch (USA) |
| Reference | Meaning |
|---|---|
| P168 | 3/9 Design control — primary reference Crl Components Inc |
| P-168 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 11-4971 | 5/9 Secondary reference Amphenol Corp Div Amphenol Aerospace Operations |
NSN 5355-00-841-3340 is a Knob, manufactured by Electro Switch Corp Div Electroswitch, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-00-841-3340 has 1 manufacturer part number on file: P168 (Electro Switch Corp Div Electroswitch).
3 possible matches (shared part number, not a government interchangeability claim): 5365-00-913-1380, 5310-01-024-4550, 5305-01-321-6036. Verify interchangeability with system specifications before substitution.
Key specifications for P168: Distance From Hole Center to Knob/skirt Base: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Shaft Accommodation Style: COUNTERBORED; Length: 1.990 INCHES MINIMUM AND 2.010 INCHES MAXIMUM IN; Overall Thickness: 0.615 INCHES MINIMUM AND 0.635 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.