The Knob, cataloged under National Stock Number 5355-01-275-4158, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Elma Electronic Incorporated. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5355-01-275-4158 |
| Primary Part Number | 020-3520 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Elma Electronic Incorporated |
| Status | ACTIVE |
| Overall Thickness | 17.0 MILLIMETERS NOMINAL MM |
| Style Designator | ROUND |
| Outside Diameter | 14.5 MILLIMETERS NOMINAL MM |
| Gripping Surface Condition | SMOOTH |
| Color | BLACK |
| Material | PLASTIC POLYAMIDE NYLON |
| Attachment Method | HOLE |
| 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 |
|---|---|
| 020-3520 | Elma Electronic Ag (CHE) |
| 020-3520 PRIMARY | Elma Electronic Incorporated (USA) |
| 020-3520 | Aktiebolaget Regin (SWE) |
| Reference | Meaning |
|---|---|
| 020-3520 | 5/9 Secondary reference Regin Regulator & Instrument Ab |
| 020-352 | 5/9 Secondary reference Elma Electronic Ag |
| 0N174027-2 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5355-01-275-4158 is a Knob, manufactured by Elma Electronic Incorporated, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-01-275-4158 has 3 manufacturer part numbers on file: 020-3520 (Elma Electronic Ag), 020-3520 (Elma Electronic Incorporated), 020-3520 (Aktiebolaget Regin).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-496-1246. Verify interchangeability with system specifications before substitution.
Key specifications for 020-3520: Overall Thickness: 17.0 MILLIMETERS NOMINAL MM; Style Designator: ROUND; Outside Diameter: 14.5 MILLIMETERS NOMINAL MM; Gripping Surface Condition: SMOOTH. 7 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.