The Filter,radio Frequency Interfere, cataloged under National Stock Number 5915-00-137-2995, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Spectrum Control Inc. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5915-00-137-2995 |
| Primary Part Number | 51-310-304 |
| Item Name | Filter,radio Frequency Interfere |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Spectrum Control Inc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 THREADED BUSHING THIRD FUNCTION |
| Inclosure Type | HERMETICALLY SEALED |
| 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 | 0.416 INCHES MAXIMUM IN |
| Criticality Code Justification | FEAT |
| Maximum Voltage Drop Per Function | 500.0 MILLIVOLTS DC BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Facility Screw Thread Series Designator | UNF |
| Nominal Thread Size | 0.250 INCHES IN |
| Body Length | 0.575 INCHES MAXIMUM IN |
| 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 |
| Operating Temp Range | -52.0 TO 95.0 CELSIUS DEGC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| RF4297-2 | Ems Development Corporation Dba Ems Development Corp (USA) |
| 51-310-304 PRIMARY | Spectrum Control Inc (USA) |
| RF04297-2 | Ems Development Corporation Dba Ems Development Corp (USA) |
| 51-310-304 | Spectrum Control, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 8433-1004 | 5/9 Secondary reference Potter L Inc |
| 121-087-0002 | 1/2 Source control — Government-approved source U.S. Government activity |
| 9001-500-1011 | 5/9 Secondary reference Murata Erie North America Inc Divof Murata Erie |
| D298 | 5/9 Secondary reference Piezothermx Corporation |
NSN 5915-00-137-2995 is a Filter,radio Frequency Interfere, manufactured by Spectrum Control Inc, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-00-137-2995 has 4 manufacturer part numbers on file: RF4297-2 (Ems Development Corporation Dba Ems Development Corp), 51-310-304 (Spectrum Control Inc), RF04297-2 (Ems Development Corporation Dba Ems Development Corp), 51-310-304 (Spectrum Control, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5315-00-271-6905. Verify interchangeability with system specifications before substitution.
Key specifications for 51-310-304: Mounting Facility Type and Quantity: 1 THREADED BUSHING THIRD FUNCTION; Inclosure Type: HERMETICALLY SEALED; Functional Terminal Type and Quantity: 1 TAB, SOLDER LUG INPUT FIRST FUNCTION; Functional Terminal Type and Quantity: 1 TAB, SOLDER LUG OUTPUT SECOND FUNCTION. 13 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 5915-00-137-2995 has DEMIL Code Q. 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.