The Filter,radio Frequency Interfere, cataloged under National Stock Number 5915-01-425-2974, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Smiths Aerospace, Inc., Electronic Systems-Grand Rapids. Government technical data includes 20 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. 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 | 5915-01-425-2974 |
| Primary Part Number | 28970-1 |
| Item Name | Filter,radio Frequency Interfere |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Smiths Aerospace, Inc., Electronic Systems-Grand Rapids |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED |
| Inclosure Type | HERMETICALLY SEALED |
| Power Line Frequency Rating Per Function in Hertz | 60.0 2ND RADIO INTERFERENCE SECOND FUNCTION |
| Power Line Frequency Rating Per Function in Hertz | 60.0 1ST RADIO INTERFERENCE FIRST FUNCTION |
| Functional Terminal Type and Quantity | 2 THREADED STUD OUTPUT SECOND FUNCTION |
| Functional Terminal Type and Quantity | 1 THREADED STUD GROUND THIRD FUNCTION |
| Functional Terminal Type and Quantity | 2 THREADED STUD INPUT FIRST FUNCTION |
| Source Impedance Rating Per Function | 50.0 OHMS 2ND RADIO INTERFERENCE SECOND FUNCTION |
| Source Impedance Rating Per Function | 50.0 OHMS 1ST RADIO INTERFERENCE FIRST FUNCTION |
| Body Width | 2.070 INCHES MAXIMUM IN |
| Unthreaded Mounting Hole Diameter | 0.188 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES |
| Body Material | METAL |
| Body Length | 2.070 INCHES MAXIMUM IN |
| Operating Voltage Rating and Type Per Function | 115.0 VOLTS AC 2ND RADIO INTERFERENCE SECOND FUNCTION |
| Operating Voltage Rating and Type Per Function | 115.0 VOLTS AC 1ST RADIO INTERFERENCE FIRST FUNCTION |
| Operating Current Rating Per Function in Amps | 10.0 1ST RADIO INTERFERENCE FIRST FUNCTION |
| Operating Current Rating Per Function in Amps | 10.0 2ND RADIO INTERFERENCE SECOND FUNCTION |
| Load Impedance Per Function | 50.0 OHMS 2ND RADIO INTERFERENCE SECOND FUNCTION |
| Load Impedance Per Function | 50.0 OHMS 1ST RADIO INTERFERENCE FIRST FUNCTION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5915-01-425-2974 is a Filter,radio Frequency Interfere, manufactured by Smiths Aerospace, Inc., Electronic Systems-Grand Rapids, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-425-2974 has 2 manufacturer part numbers on file: 28970-1 (Smiths Aerospace, Inc., Electronic Systems-Grand Rapids), 10VK6 (Te Connectivity Corporation Div Corcom).
1 possible match (shared part number, not a government interchangeability claim): 6145-01-608-8903. Verify interchangeability with system specifications before substitution.
Key specifications for 28970-1: Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED; Overall Height: 1.160 INCHES MAXIMUM IN; Inclosure Type: HERMETICALLY SEALED; Power Line Frequency Rating Per Function in Hertz: 60.0 2ND RADIO INTERFERENCE SECOND FUNCTION. 20 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.