The Capacitor,variable,air Dielectri, cataloged under National Stock Number 5910-00-950-2874, is classified within Federal Supply Class 5910 (Capacitors) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Viking Technologies, Ltd.. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5910-00-950-2874 |
| Primary Part Number | 158-4-23 |
| Item Name | Capacitor,variable,air Dielectri |
| FSC / FSG | 5910 / 59 — Capacitors |
| Manufacturer | Viking Technologies, Ltd. |
| Status | ACTIVE |
| Shaft Type | ROUND, SLOTTED SINGLE SHAFT |
| Mounting Facility Type and Quantity | 2 THREADED HOLE(S) |
| Nonderated Voltage Rating and Type | 500.0 DC CONTINUOUS SINGLE SECTION |
| Inclosure Type | UNINCLOSED |
| Body Style | PLATE-MESHING |
| Insulation DC Resistance at 25 Deg Celsius | 100.0 GIGOHMS |
| Adjustment Device Rotation | 180.0 DEGREES NOMINAL CLOCKWISE |
| Nonderated Operating Temp | -55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC |
| Capacitance Range in Picofarads | +6.0 TO 75.0 SINGLE SECTION |
| Mounting Facility Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Tuning Characteristic | STRAIGHT LINE CAPACITY SINGLE SECTION |
| Nominal Thread Size | 0.112 INCHES IN |
| Shaft Length | 0.438 INCHES NOMINAL SINGLE SHAFT IN |
| Body Length | 1.500 INCHES MAXIMUM IN |
| Adjustment Device Torque | 2.500 INCH-OUNCES MINIMUM AND 10.000 INCH-OUNCES MAXIMUM IN |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 0.656 INCHES NOMINAL IN |
| Adjustment Device Drive Type and Quantity | 1 SHAFT |
| Test Data Document | 81349-MIL-C-92 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Split-Stator Rotary Plate Type | DIFFERENTIAL |
| Terminal Type and Quantity | 1 TAB, SOLDER LUG |
| Quality Factor at 25 Deg Celsius | 1500.0 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 158-4-23 PRIMARY | Viking Technologies, Ltd. (USA) |
| 158-004-0023 | Viking Technologies, Ltd. (USA) |
| Reference | Meaning |
|---|---|
| 158-4-23 | 5/9 Secondary reference Viking Technologies, Ltd. |
| CT13E075J | 5/9 Secondary reference U.S. Government activity |
| 158-004-0023 | 5/9 Secondary reference Viking Technologies, Ltd. |
| MILC92-4 | 5/9 Secondary reference U.S. Government activity |
NSN 5910-00-950-2874 is a Capacitor,variable,air Dielectri, manufactured by Viking Technologies, Ltd., classified under FSC 5910, Capacitors. Status: active.
NSN 5910-00-950-2874 has 2 manufacturer part numbers on file: 158-4-23 (Viking Technologies, Ltd.), 158-004-0023 (Viking Technologies, Ltd.).
3 possible matches (shared part number, not a government interchangeability claim): 5910-00-958-3173, 5935-01-088-6126, 5910-01-258-1888. Verify interchangeability with system specifications before substitution.
Key specifications for 158-4-23: Shaft Type: ROUND, SLOTTED SINGLE SHAFT; Mounting Facility Type and Quantity: 2 THREADED HOLE(S); Overall Height: 1.219 INCHES NOMINAL IN; Nonderated Voltage Rating and Type: 500.0 DC CONTINUOUS SINGLE SECTION. 21 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.