The Filter,radio Frequency Interfere, cataloged under National Stock Number 5915-01-326-7653, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lcr Electronics, Inc Div Lcr Electronics, Inc. Dba Astrodyne Tdi Emi Filters Bu. Government technical data includes 24 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. 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 | 5915-01-326-7653 |
| Primary Part Number | F-1976-I |
| Item Name | Filter,radio Frequency Interfere |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Lcr Electronics, Inc Div Lcr Electronics, Inc. Dba Astrodyne Tdi Emi Filters Bu |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 THREADED STUD(S) FIRST FUNCTION |
| Mounting Facility Type and Quantity | 2 SLOT SECOND FUNCTION |
| Inclosure Type | HERMETICALLY SEALED |
| Power Line Frequency Rating Per Function in Hertz | 60.0 BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Functional Terminal Type and Quantity | 1 THREADED STUD INPUT FIRST FUNCTION |
| Functional Terminal Type and Quantity | 1 THREADED STUD OUTPUT SECOND FUNCTION |
| Source Impedance Rating Per Function | 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Body Width | 4.000 INCHES NOMINAL IN |
| Body Height | 8.000 INCHES NOMINAL IN |
| Maximum Voltage Drop Per Function | 2.0 VOLTS AC BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Style Designator | RECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES |
| Mounting Facility Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Maximum Dielectric Withstanding AC Rms Voltage | 554.0 VOLTS AT SEA LEVEL |
| Features Provided | MOUNTING BRACKET AND NUT |
| Nominal Thread Size | 0.375 INCHES IN |
| Body Material | METAL |
| Body Length | 30.000 INCHES NOMINAL IN |
| Operating Voltage Rating and Type Per Function | 277.0 VOLTS AC BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Principal Circuitry Type Per Function | INDUCTANCE-CAPACITANCE BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Operating Current Rating Per Function in Amps | 200.0 BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Operating Temp Range | -55.0 TO 105.0 CELSIUS DEGC |
| Maximum Temp Rise | 20.0 CELSIUS DEGC |
| Load Impedance Per Function | 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Slot Width | 0.406 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| F-1976-I PRIMARY | Lcr Electronics, Inc Div Lcr Electronics, Inc. Dba Astrodyne Tdi Emi Filters Bu (USA) |
NSN 5915-01-326-7653 is a Filter,radio Frequency Interfere, manufactured by Lcr Electronics, Inc Div Lcr Electronics, Inc. Dba Astrodyne Tdi Emi Filters Bu, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-326-7653 has 1 manufacturer part number on file: F-1976-I (Lcr Electronics, Inc Div Lcr Electronics, Inc. Dba Astrodyne Tdi Emi Filters Bu).
1 possible match (shared part number, not a government interchangeability claim): 5915-01-554-8852. Verify interchangeability with system specifications before substitution.
Key specifications for F-1976-I: Mounting Facility Type and Quantity: 4 THREADED STUD(S) FIRST FUNCTION; Mounting Facility Type and Quantity: 2 SLOT SECOND FUNCTION; Inclosure Type: HERMETICALLY SEALED; Power Line Frequency Rating Per Function in Hertz: 60.0 BLANK LOCATION NOT OTHERWISE SPECIFIED. 24 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.
NSN 5915-01-326-7653 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.