The Filter,radio Frequency Interfere, cataloged under National Stock Number 5915-01-082-9581, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is The Captor Corporation. Government technical data includes 22 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5915-01-082-9581 |
| Primary Part Number | A-2644 |
| Item Name | Filter,radio Frequency Interfere |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | The Captor Corporation |
| Status | ACTIVE |
| Maximum Dielectric Withstanding DC Voltage | 50.0 VOLTS AT SEA LEVEL |
| Mounting Facility Type and Quantity | 1 THREADED BUSHING LOCATION NOT OTHERWISE SPECIFIED |
| Unpackaged Unit Weight | 0.630 POUNDS NOMINAL LBS |
| 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 |
| Source Impedance Rating Per Function | 28.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Body Width | 1.530 INCHES MAXIMUM IN |
| Body Height | 1.280 INCHES MAXIMUM IN |
| Maximum Voltage Drop Per Function | 280.0 MILLIVOLTS DC BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Style Designator | RECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES |
| Mounting Facility Screw Thread Series Designator | UNEF |
| Nominal Thread Size | 0.750 INCHES IN |
| Body Material | METAL |
| Body Length | 2.530 INCHES MAXIMUM IN |
| Input Impedance Per Function W/load | 1.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Operating Voltage Rating and Type Per Function | 28.0 VOLTS DC BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Principal Circuitry Type Per Function | INDUCTANCE-CAPACITANCE BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Operating Current Rating Per Function in Amps | 1.0 BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Maximum Temp Rise | 28.0 CELSIUS DEGC |
| Output Impedance Per Function W/source Across Input | 1.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Load Impedance Per Function | 28.0 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 |
|---|---|
| A-2644 | The Captor Corporation (USA) |
| Reference | Meaning |
|---|---|
| 749813-101 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5915-01-082-9581 is a Filter,radio Frequency Interfere, manufactured by The Captor Corporation, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-082-9581 has 1 manufacturer part number on file: A-2644 (The Captor Corporation).
1 possible match (shared part number, not a government interchangeability claim): 3110-01-216-5581. Verify interchangeability with system specifications before substitution.
Key specifications for A-2644: Maximum Dielectric Withstanding DC Voltage: 50.0 VOLTS AT SEA LEVEL; Mounting Facility Type and Quantity: 1 THREADED BUSHING LOCATION NOT OTHERWISE SPECIFIED; Unpackaged Unit Weight: 0.630 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.
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.