The Capacitor,variable,air Dielectri, cataloged under National Stock Number 5910-01-027-9571, is classified within Federal Supply Class 5910 (Capacitors) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Keysight Technologies Inc. Government technical data includes 19 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5910-01-027-9571 |
| Primary Part Number | 0121-0477 |
| Item Name | Capacitor,variable,air Dielectri |
| FSC / FSG | 5910 / 59 — Capacitors |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Shaft Type | ROUND SINGLE SHAFT |
| Mounting Facility Type and Quantity | 3 THREADED HOLE(S) |
| Nonderated Voltage Rating and Type | 300.0 AC RMS SINGLE SECTION |
| Shaft Diameter | 0.250 INCHES NOMINAL SINGLE SHAFT IN |
| Inclosure Type | UNINCLOSED |
| Body Style | PLATE-MESHING |
| Adjustment Device Rotation | 180.0 DEGREES NOMINAL CLOCKWISE |
| Capacitance Range in Picofarads | +11.0 TO 365.0 ALL SECTIONS |
| Criticality Code Justification | FEAT |
| Mounting Facility Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Individual Section Quantity | 2 |
| Tuning Characteristic | STRAIGHT LINE CAPACITY ALL SECTIONS |
| Nominal Thread Size | 0.164 INCHES IN |
| Shaft Length | 1.000 INCHES NOMINAL SINGLE SHAFT IN |
| Body Length | 2.188 INCHES NOMINAL IN |
| Adjustment Device Drive Type and Quantity | 1 SHAFT |
| Thread Class | 2B |
| Split-Stator Rotary Plate Type | DIFFERENTIAL |
| Terminal Type and Quantity | 4 TAB, SOLDER LUG |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 0121-0477 PRIMARY | Keysight Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| 2112-A | 5/9 Secondary reference U.S. Government activity |
| 0121-0477 | 3/9 Design control — primary reference Keysight Technologies, Inc. |
| 2112 MODIFIED | 5/9 Secondary reference U.S. Government activity |
| 0121-0477 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
NSN 5910-01-027-9571 is a Capacitor,variable,air Dielectri, manufactured by Keysight Technologies Inc, classified under FSC 5910, Capacitors. Status: active.
NSN 5910-01-027-9571 has 1 manufacturer part number on file: 0121-0477 (Keysight Technologies Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5962-01-100-8641, 5331-01-376-9588. Verify interchangeability with system specifications before substitution.
Key specifications for 0121-0477: Shaft Type: ROUND SINGLE SHAFT; Mounting Facility Type and Quantity: 3 THREADED HOLE(S); Overall Height: 1.625 INCHES NOMINAL IN; Nonderated Voltage Rating and Type: 300.0 AC RMS SINGLE SECTION. 19 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.