The Filter,radio Frequency Interfere, cataloged under National Stock Number 5915-00-503-4089, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Ems Development Corporation Dba Ems Development Corp. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5915-00-503-4089 |
| Primary Part Number | FA949 |
| Item Name | Filter,radio Frequency Interfere |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Ems Development Corporation Dba Ems Development Corp |
| Status | ACTIVE |
| Inclosure Type | HERMETICALLY SEALED |
| Functional Terminal Type and Quantity | 1 THREADED STUD INPUT FIRST FUNCTION |
| Functional Terminal Type and Quantity | 1 THREADED STUD OUTPUT SECOND FUNCTION |
| Operating Voltage Rating and Type Per Function | 100.0 VOLTS DC BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Operating Current Rating Per Function in Amps | 50.0 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 |
|---|---|
| FA949 | Ems Development Corporation Dba Ems Development Corp (USA) |
| Reference | Meaning |
|---|---|
| FA949 | 5/9 Secondary reference U.S. Government activity |
| 971604-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5915-00-503-4089 is a Filter,radio Frequency Interfere, manufactured by Ems Development Corporation Dba Ems Development Corp, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-00-503-4089 has 1 manufacturer part number on file: FA949 (Ems Development Corporation Dba Ems Development Corp).
1 possible match (shared part number, not a government interchangeability claim): 2940-01-165-8261. Verify interchangeability with system specifications before substitution.
Key specifications for FA949: Inclosure Type: HERMETICALLY SEALED; Functional Terminal Type and Quantity: 1 THREADED STUD INPUT FIRST FUNCTION; Functional Terminal Type and Quantity: 1 THREADED STUD OUTPUT SECOND FUNCTION; Operating Voltage Rating and Type Per Function: 100.0 VOLTS DC BLANK LOCATION NOT OTHERWISE SPECIFIED. 5 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.