The Knob, cataloged under National Stock Number 5355-00-665-3801, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Elettronica Gmbh. Government technical data includes 18 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through both NSN and commercial part number lookups. 14 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-00-665-3801 |
| Primary Part Number | N272-201-071 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Elettronica Gmbh |
| Status | ACTIVE |
| Distance From Hole Center to Knob/skirt Base | 0.427 INCHES MAXIMUM IN |
| Shaft Accommodation Style | COUNTERBORED |
| Overall Thickness | 1.425 INCHES MINIMUM AND 1.525 INCHES MAXIMUM IN |
| Skirt Outside Diameter | 1.185 INCHES MAXIMUM IN |
| Style Designator | ROUND WITH CRANK |
| Counterbore Depth | 0.250 INCHES MINIMUM IN |
| Setscrew Hole Quantity | 2 |
| Nominal Thread Size | 0.164 INCHES SCREW HOLE IN |
| Counterbore Diameter | 0.685 INCHES MINIMUM IN |
| Inside Diameter | 0.252 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN |
| Gripping Surface Condition | GRIP AID |
| Skirt Design | NONDETACHABLE |
| Width | 1.835 INCHES MINIMUM AND 1.885 INCHES MAXIMUM IN |
| Screw Drive Type | HEXAGON SOCKET |
| Thread Quantity Per Inch | 32 SCREW HOLE |
| 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 |
|---|---|
| N272-201-071 | Elettronica Gmbh (DEU) |
| 272-201-071 | Elettronica Spa (ITA) |
| N272-201-071 | Elettronica Spa (ITA) |
| Reference | Meaning |
|---|---|
| 20142A | 5/1 Secondary reference The Austin Company |
| 125-6-2G-8 | 5/9 Secondary reference Raytheon Company Div Corp |
| 512-6-2M-9 | 5/1 Secondary reference Lerco Div Space-Lok Inc |
| MS91528-3S2B9 | 5/9 Secondary reference U.S. Government activity |
| J124B4MA | 5/1 Secondary reference U.S. Government activity |
| KMS12S2L9 | 5/9 Secondary reference Dar Electronics Inc Commercial Products Div Dba National Radio Co |
| 125-6-2G-9 | 5/1 Secondary reference Raytheon Company Dba Raytheon Co |
| 3S2B9 | 5/1 Secondary reference Electronic Hardware Corp Dba Electronic Hardware Corp |
| KMS12S2L9 | 5/9 Secondary reference Dar Electronics Inc Dba National Radio Co |
| KMS12S2L9 | 5/9 Secondary reference U.S. Government activity |
| 125-6-2G-8 | 5/1 Secondary reference Raytheon Company Dba Raytheon Co |
| NASM3926 | 3/1 Design control — primary reference U.S. Government activity |
| MS91528-3S2B9 | 3/2 Design control — primary reference U.S. Government activity |
| 125-6-2G-9 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 5355-00-665-3801 is a Knob, manufactured by Elettronica Gmbh, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-00-665-3801 has 3 manufacturer part numbers on file: N272-201-071 (Elettronica Gmbh), 272-201-071 (Elettronica Spa), N272-201-071 (Elettronica Spa).
Key specifications for N272-201-071: Distance From Hole Center to Knob/skirt Base: 0.427 INCHES MAXIMUM IN; Shaft Accommodation Style: COUNTERBORED; Overall Thickness: 1.425 INCHES MINIMUM AND 1.525 INCHES MAXIMUM IN; Skirt Outside Diameter: 1.185 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.