The Filter,radio Frequency Interfere, cataloged under National Stock Number 5915-01-043-4388, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Air Armament Center/ En. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5915-01-043-4388 |
| Primary Part Number | 639AS1244 |
| Item Name | Filter,radio Frequency Interfere |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Air Armament Center/ En |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 THREADED BUSHING LOCATION NOT OTHERWISE SPECIFIED |
| Inclosure Type | ENCASED |
| Power Line Frequency Rating Per Function in Hertz | 60.0 BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Functional Terminal Type and Quantity | 1 TAB, SOLDER LUG INPUT FIRST FUNCTION |
| Functional Terminal Type and Quantity | 1 TAB, SOLDER LUG OUTPUT SECOND FUNCTION |
| Body Outside Diameter | 0.687 INCHES NOMINAL IN |
| Source Impedance Rating Per Function | 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Maximum Voltage Drop Per Function | 0.4 VOLTS DC BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Style Designator | ROUND TERMINAL/TERMINALS ON OPPOSITE SURFACES |
| Mounting Facility Screw Thread Series Designator | UNF |
| Maximum Dielectric Withstanding AC Rms Voltage | 480.0 VOLTS AT SEA LEVEL |
| Nominal Thread Size | 0.312 INCHES IN |
| Body Material | METAL |
| Body Length | 0.952 INCHES NOMINAL IN |
| Operating Voltage Rating and Type Per Function | 240.0 VOLTS AC BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Principal Circuitry Type Per Function | CAPACITANCE-INDUCTANCE BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Operating Current Rating Per Function in Amps | 1.0 BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Operating Temp Range | -55.0 TO 125.0 CELSIUS DEGC |
| 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 |
|---|---|
| 639AS1244 | Air Armament Center/ En (USA) |
| 639AS1244 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 51-321-012 | 5/9 Secondary reference Spectrum Control Inc |
| 51-321-025 | 3/9 Design control — primary reference Spectrum Control Inc |
NSN 5915-01-043-4388 is a Filter,radio Frequency Interfere, manufactured by Air Armament Center/ En, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-043-4388 has 2 manufacturer part numbers on file: 639AS1244 (Air Armament Center/ En), 639AS1244 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 639AS1244: Mounting Facility Type and Quantity: 1 THREADED BUSHING LOCATION NOT OTHERWISE SPECIFIED; Inclosure Type: ENCASED; Power Line Frequency Rating Per Function in Hertz: 60.0 BLANK LOCATION NOT OTHERWISE SPECIFIED; Functional Terminal Type and Quantity: 1 TAB, SOLDER LUG INPUT FIRST FUNCTION. 19 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.