The Filter,band Pass, cataloged under National Stock Number 5915-01-407-7009, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Microphase Corp. Government technical data includes 23 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5915-01-407-7009 |
| Primary Part Number | R4983-255 |
| Item Name | Filter,band Pass |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Microphase Corp |
| Status | ACTIVE |
| Reference Frequency Per Function | 2818.0 MEGAHERTZ 2ND LOW PASS SECOND FUNCTION |
| Reference Frequency Per Function | 2820.0 MEGAHERTZ 1ST BAND PASS FIRST FUNCTION |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED |
| Voltage Standing Wave Ratio Per Function | 1.4 1ST BAND PASS FIRST FUNCTION |
| Voltage Standing Wave Ratio Per Function | 1.4 2ND LOW PASS SECOND FUNCTION |
| Inclosure Type | ENCASED |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 5.000 INCHES NOMINAL IN |
| Functional Terminal Type and Quantity | 1 CONNECTOR, PLUG OUTPUT SECOND FUNCTION |
| Functional Terminal Type and Quantity | 1 CONNECTOR, PLUG INPUT FIRST FUNCTION |
| Source Impedance Rating Per Function | 50.0 OHMS 2ND LOW PASS SECOND FUNCTION |
| Source Impedance Rating Per Function | 50.0 OHMS 1ST BAND PASS FIRST FUNCTION |
| Body Width | 1.250 INCHES NOMINAL IN |
| Unthreaded Mounting Hole Diameter | 0.218 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES |
| Body Length | 4.500 INCHES NOMINAL IN |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 0.750 INCHES NOMINAL IN |
| Frequency Band Width Per Function | 2818.00 MEGAHERTZ 1ST BAND PASS AND 2822.00 MEGAHERTZ 1ST BAND PASS FIRST FUNCTION |
| Frequency Band Width Per Function | 2818.00 MEGAHERTZ 2ND LOW PASS AND 2820.00 MEGAHERTZ 2ND LOW PASS SECOND FUNCTION |
| Operating Temp Range | +0.0 TO 50.0 CELSIUS DEGC |
| Insertion Loss at Reference Frequency Per Function in Decibels | 1.5 1ST BAND PASS FIRST FUNCTION |
| Insertion Loss at Reference Frequency Per Function in Decibels | 1.5 2ND LOW PASS SECOND FUNCTION |
| Load Impedance Per Function | 50.0 OHMS 2ND LOW PASS SECOND FUNCTION |
| Load Impedance Per Function | 50.0 OHMS 1ST BAND PASS FIRST FUNCTION |
| 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 |
|---|---|
| R4983-255 PRIMARY | Microphase Corp (USA) |
| Reference | Meaning |
|---|---|
| 1213669-255 | 7/2 Vendor item drawing reference Lockheed Martin Corporation Div Rms - Mitchel Field |
| 1213669-255 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms |
NSN 5915-01-407-7009 is a Filter,band Pass, manufactured by Microphase Corp, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-407-7009 has 1 manufacturer part number on file: R4983-255 (Microphase Corp).
Key specifications for R4983-255: Reference Frequency Per Function: 2818.0 MEGAHERTZ 2ND LOW PASS SECOND FUNCTION; Reference Frequency Per Function: 2820.0 MEGAHERTZ 1ST BAND PASS FIRST FUNCTION; Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED; Overall Height: 1.430 INCHES NOMINAL IN. 23 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.