The Filter,low Pass, cataloged under National Stock Number 5915-01-083-4838, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Spectrum Sei Microwave, Inc.. Government technical data includes 23 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5915-01-083-4838 |
| Primary Part Number | LR1-5SS |
| Item Name | Filter,low Pass |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Spectrum Sei Microwave, Inc. |
| Status | ACTIVE |
| Reference Frequency Per Function | 501.0 KILOHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Facility Type and Quantity | 2 TERMINAL LOCATION NOT OTHERWISE SPECIFIED |
| Voltage Standing Wave Ratio Per Function | 1.5 BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Inclosure Type | ENCASED |
| Average Power Rating Per Function | 5.0 WATTS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Output Terminal Identification | OSM |
| Functional Terminal Type and Quantity | 1 CONNECTOR, RECEPTACLE OUTPUT SECOND FUNCTION |
| Functional Terminal Type and Quantity | 1 CONNECTOR, RECEPTACLE INPUT FIRST FUNCTION |
| Body Outside Diameter | 1.125 INCHES NOMINAL1.125 INCHES NOMINAL IN |
| Vibration Resistance Range in Hertz | +2.0 TO 2000.0+2.0 TO 2000.0 |
| Output Terminal Manufacturer Code | 21377 |
| Style Designator | ROUND TERMINAL/TERMINALS ON OPPOSITE SURFACES |
| Body Material | METAL |
| Voltage Standing Wave Ratio Frequency Limits Per Function | 3.0 KILOHERTZ BLANK AND 1.0 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Input Impedance Per Function W/load | 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Input Terminal Manufacturer Code | 21377 |
| Discrimination at Specified Frequencies Per Function in Decibels | 1.0 MAXIMUM BLANK AND 60.0 MINIMUM BLANK FIRST FUNCTION |
| Frequency Band Width Per Function | 3.00 KILOHERTZ BLANK AND 1.00 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Input Terminal Identification | OSM |
| Operating Temp Range | -55.0 TO 125.0 CELSIUS-55.0 TO 125.0 CELSIUS DEGC |
| Insertion Loss at Reference Frequency Per Function in Decibels | 1.0 BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Output Impedance Per Function W/source Across Input | 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Specified Frequencies of Discrimination Per Function | 3.00 KILOHERTZ BLANK AND 1.00 MEGAHERTZ BLANK AND 5.00 MEGAHERTZ BLANK AND 10.00 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| LR1-5SS | Spectrum Sei Microwave, Inc. (USA) |
| BOM10575 | Spectrum Sei Microwave, Inc. (USA) |
| Reference | Meaning |
|---|---|
| FLT/21-1-5/50-28A/28A | 3/9 Design control — primary reference Trilithic, Inc. |
| LR1-5SS | 5/9 Secondary reference Spectrum Fsy Microwave, Inc. Div Api Technologies - Spectrum Microwave |
NSN 5915-01-083-4838 is a Filter,low Pass, manufactured by Spectrum Sei Microwave, Inc., classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-083-4838 has 2 manufacturer part numbers on file: LR1-5SS (Spectrum Sei Microwave, Inc.), BOM10575 (Spectrum Sei Microwave, Inc.).
Key specifications for LR1-5SS: Reference Frequency Per Function: 501.0 KILOHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED; Mounting Facility Type and Quantity: 2 TERMINAL LOCATION NOT OTHERWISE SPECIFIED; Voltage Standing Wave Ratio Per Function: 1.5 BLANK LOCATION NOT OTHERWISE SPECIFIED; Inclosure Type: ENCASED. 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.
NSN 5915-01-083-4838 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.