The Filter,radio Frequency Interfere, cataloged under National Stock Number 5915-00-997-1728, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Mtk Electronics Inc. Government technical data includes 17 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 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 | 5915-00-997-1728 |
| Primary Part Number | A1761 |
| Item Name | Filter,radio Frequency Interfere |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Mtk Electronics Inc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED |
| Inclosure Type | HERMETICALLY SEALED |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 14.000 INCHES NOMINAL IN |
| Power Line Frequency Rating Per Function in Hertz | 400.0 BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Functional Terminal Type and Quantity | 2 THREADED STUD OUTPUT SECOND FUNCTION |
| Functional Terminal Type and Quantity | 2 THREADED STUD INPUT FIRST FUNCTION |
| Functional Terminal Type and Quantity | 2 THREADED STUD GROUND THIRD FUNCTION |
| Source Impedance Rating Per Function | 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Body Width | 23.750 INCHES NOMINAL IN |
| Body Height | 4.188 INCHES NOMINAL IN |
| Unthreaded Mounting Hole Diameter | 0.406 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES |
| Body Length | 12.000 INCHES NOMINAL IN |
| Operating Voltage Rating and Type Per Function | 250.0 VOLTS AC BLANK AND 600.0 VOLTS DC BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 12.000 INCHES NOMINAL IN |
| Operating Current Rating Per Function in Amps | 50.0 BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Load Impedance Per Function | 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| 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 |
|---|---|
| A1761 PRIMARY | Mtk Electronics Inc (USA) |
NSN 5915-00-997-1728 is a Filter,radio Frequency Interfere, manufactured by Mtk Electronics Inc, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-00-997-1728 has 1 manufacturer part number on file: A1761 (Mtk Electronics Inc).
3 possible matches (shared part number, not a government interchangeability claim): 8455-01-306-9998, 8455-01-610-3852, 8455-01-664-9740. Verify interchangeability with system specifications before substitution.
Key specifications for A1761: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED; Inclosure Type: HERMETICALLY SEALED; Distance Between Centerlines of Mounting Facilities Parallel to Body Length: 14.000 INCHES NOMINAL IN; Power Line Frequency Rating Per Function in Hertz: 400.0 BLANK LOCATION NOT OTHERWISE SPECIFIED. 17 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.