The Filter,radio Frequency Interfere, cataloged under National Stock Number 5915-00-904-0858, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5915-00-904-0858 |
| Primary Part Number | 39040-1 |
| Item Name | Filter,radio Frequency Interfere |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| 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 | 2.150 INCHES MINIMUM AND 2.160 INCHES MAXIMUM IN |
| Functional Terminal Type and Quantity | 2 TAB, SOLDER LUG INPUT FIRST FUNCTION |
| Functional Terminal Type and Quantity | 2 TAB, SOLDER LUG OUTPUT SECOND FUNCTION |
| Functional Terminal Type and Quantity | 1 TAB, SOLDER LUG GROUND THIRD 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 | 1.780 INCHES MAXIMUM IN |
| Body Height | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| Unthreaded Mounting Hole Diameter | 0.200 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN |
| Style Designator | RECTANGULAR TERMINAL/TERMINALS ON ONE SURFACE |
| Body Length | 2.530 INCHES MAXIMUM IN |
| Operating Voltage Rating and Type Per Function | 100.0 VOLTS DC 1ST RADIO INTERFERENCE FIRST FUNCTION |
| Operating Voltage Rating and Type Per Function | 100.0 VOLTS DC 2ND RADIO INTERFERENCE SECOND FUNCTION |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 1.400 INCHES MINIMUM AND 1.410 INCHES MAXIMUM IN |
| Operating Current Rating Per Function in Amps | 6.0 2ND RADIO INTERFERENCE SECOND FUNCTION |
| Operating Current Rating Per Function in Amps | 6.0 1ST RADIO INTERFERENCE FIRST 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 D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 39040-1 | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| RF09221 | Ems Development Corporation Dba Ems Development Corp (USA) |
| 39040-1 PRIMARY | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| Reference | Meaning |
|---|---|
| 39040-1 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
| RF9221 | 5/9 Secondary reference Ems Development Corporation Dba Ems Development Corp |
NSN 5915-00-904-0858 is a Filter,radio Frequency Interfere, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-00-904-0858 has 3 manufacturer part numbers on file: 39040-1 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us), RF09221 (Ems Development Corporation Dba Ems Development Corp), 39040-1 (Honeywell International Inc. Div Aerospace - Torrance).
2 possible matches (shared part number, not a government interchangeability claim): 2805-01-021-5011, 3120-01-303-8625. Verify interchangeability with system specifications before substitution.
Key specifications for 39040-1: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED; Overall Height: 1.135 INCHES MAXIMUM IN; Inclosure Type: HERMETICALLY SEALED; Distance Between Centerlines of Mounting Facilities Parallel to Body Length: 2.150 INCHES MINIMUM AND 2.160 INCHES MAXIMUM IN. 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.
NSN 5915-00-904-0858 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.