The Capacitor,variable,air Dielectri, cataloged under National Stock Number 5910-00-644-7300, 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 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5910-00-644-7300 |
| Primary Part Number | 167-503 |
| 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 UNTHREADED HOLE(S) |
| Nonderated Voltage Rating and Type | 1500.0 AC PEAK ALL SECTIONS |
| Shaft Diameter | 0.250 INCHES NOMINAL SINGLE SHAFT IN |
| Inclosure Type | UNINCLOSED |
| Adjustment Device Rotation | 180.0 DEGREES NOMINAL CLOCKWISE |
| Capacitance Range in Picofarads | +6.8 TO 99.0 ALL SECTIONS |
| Individual Section Quantity | 2 |
| Tuning Characteristic | STRAIGHT LINE CAPACITY ALL SECTIONS |
| Shaft Length | 0.438 INCHES NOMINAL SINGLE SHAFT IN |
| Adjustment Device Drive Type and Quantity | 1 SHAFT |
| Terminal Type and Quantity | 2 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 | X |
| Part Number | Manufacturer |
|---|---|
| 167-503 | Viking Technologies, Ltd. (USA) |
| Reference | Meaning |
|---|---|
| 100LD15 | 3/9 Design control — primary reference U.S. Government activity |
| CB103-3ISSUEA | 5/9 Secondary reference U.S. Government activity |
| 167-503 | 5/9 Secondary reference Viking Technologies, Ltd. |
NSN 5910-00-644-7300 is a Capacitor,variable,air Dielectri, manufactured by Viking Technologies, Ltd., classified under FSC 5910, Capacitors. Status: active.
NSN 5910-00-644-7300 has 1 manufacturer part number on file: 167-503 (Viking Technologies, Ltd.).
2 possible matches (shared part number, not a government interchangeability claim): 3120-00-662-3881, 5306-01-625-7049. Verify interchangeability with system specifications before substitution.
Key specifications for 167-503: Shaft Type: ROUND, SLOTTED SINGLE SHAFT; Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S); Nonderated Voltage Rating and Type: 1500.0 AC PEAK ALL SECTIONS; Shaft Diameter: 0.250 INCHES NOMINAL SINGLE SHAFT IN. 12 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.