The Filter,radio Frequency Interfere, cataloged under National Stock Number 5915-01-110-6695, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is L3 Technologies, Inc. Div Communication Systems-East. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5915-01-110-6695 |
| Primary Part Number | 8557985-1 |
| Item Name | Filter,radio Frequency Interfere |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | L3 Technologies, Inc. Div Communication Systems-East |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 SLOT FIRST FUNCTION |
| Mounting Facility Type and Quantity | 4 THREADED STUD(S) SECOND FUNCTION |
| Unpackaged Unit Weight | 100.000 POUNDS NOMINAL LBS |
| Inclosure Type | HERMETICALLY SEALED |
| Body Surface Treatment | TIN |
| Power Line Frequency Rating Per Function in Hertz | 60.0 BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Functional Terminal Type and Quantity | 1 SCREW OUTPUT SECOND FUNCTION |
| Functional Terminal Type and Quantity | 1 SCREW INPUT FIRST FUNCTION |
| Source Impedance Rating Per Function | 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Body Width | 5.687 INCHES NOMINAL IN |
| Body Height | 6.000 INCHES NOMINAL IN |
| Maximum Voltage Drop Per Function | 1.0 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) |
| Nominal Thread Size | 0.375 INCHES IN |
| Body Material | METAL |
| Body Length | 20.000 INCHES NOMINAL IN |
| Operating Voltage Rating and Type Per Function | 122.0 VOLTS AC BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Operating Current Rating Per Function in Amps | 50.0 BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Maximum Temp Rise | 25.0 CELSIUS DEGC |
| Load Impedance Per Function | 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Slot Width | 0.562 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 |
|---|---|
| M1623 | Mtk Electronics Inc (USA) |
| 8557985-1 PRIMARY | L3 Technologies, Inc. Div Communication Systems-East (USA) |
| F-12664 | Lcr Electronics, Inc Div Lcr Electronics, Inc. Dba Astrodyne Tdi Emi Filters Bu (USA) |
| JN10-2563A | Sprague Electric Co World Hqs (USA) |
| Reference | Meaning |
|---|---|
| 8557985-1 | 3/9 Design control — primary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
| 8557985-1 | 5/9 Secondary reference Lcr Electronics, Inc Div Lcr Electronics, Inc. Dba Astrodyne Tdi Emi Filters Bu |
NSN 5915-01-110-6695 is a Filter,radio Frequency Interfere, manufactured by L3 Technologies, Inc. Div Communication Systems-East, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-110-6695 has 4 manufacturer part numbers on file: M1623 (Mtk Electronics Inc), 8557985-1 (L3 Technologies, Inc. Div Communication Systems-East), F-12664 (Lcr Electronics, Inc Div Lcr Electronics, Inc. Dba Astrodyne Tdi Emi Filters Bu), JN10-2563A (Sprague Electric Co World Hqs).
1 possible match (shared part number, not a government interchangeability claim): 5960-01-395-1158. Verify interchangeability with system specifications before substitution.
Key specifications for 8557985-1: Mounting Facility Type and Quantity: 2 SLOT FIRST FUNCTION; Mounting Facility Type and Quantity: 4 THREADED STUD(S) SECOND FUNCTION; Unpackaged Unit Weight: 100.000 POUNDS NOMINAL LBS; Inclosure Type: HERMETICALLY SEALED. 22 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 5915-01-110-6695 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.