The Knob, cataloged under National Stock Number 5355-00-057-4091, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Ohmite Holding, L.l.c. Dba Ohmite Manufacturing. Government technical data includes 15 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 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 | 5355-00-057-4091 |
| Primary Part Number | 5111A |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Ohmite Holding, L.l.c. Dba Ohmite Manufacturing |
| Status | ACTIVE |
| Distance From Hole Center to Knob/skirt Base | 0.125 INCHES NOMINAL IN |
| Shaft Accommodation Style | ROUND |
| Overall Thickness | 0.250 INCHES NOMINAL IN |
| Style Designator | ROUND |
| Outside Diameter | 2.375 INCHES NOMINAL IN |
| Setscrew Hole Quantity | 2 |
| Nominal Thread Size | 0.164 INCHES SCREW HOLE IN |
| Inside Diameter | 0.250 INCHES NOMINAL IN |
| Shank Style | STRAIGHT |
| Gripping Surface Condition | GRIP AID |
| Color | BLACK |
| Screw Drive Type | SLOT |
| Thread Quantity Per Inch | 32 SCREW HOLE |
| Material | PLASTIC |
| 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 |
|---|---|
| 5111A PRIMARY | Ohmite Holding, L.l.c. Dba Ohmite Manufacturing (USA) |
NSN 5355-00-057-4091 is a Knob, manufactured by Ohmite Holding, L.l.c. Dba Ohmite Manufacturing, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-00-057-4091 has 1 manufacturer part number on file: 5111A (Ohmite Holding, L.l.c. Dba Ohmite Manufacturing).
1 possible match (shared part number, not a government interchangeability claim): 5330-00-291-3794. Verify interchangeability with system specifications before substitution.
Key specifications for 5111A: Distance From Hole Center to Knob/skirt Base: 0.125 INCHES NOMINAL IN; Shaft Accommodation Style: ROUND; Overall Thickness: 0.250 INCHES NOMINAL IN; Style Designator: ROUND. 15 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.