The Filter,low Pass, cataloged under National Stock Number 5915-01-157-9998, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Rlc Electronics, 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5915-01-157-9998 |
| Primary Part Number | F-3957 |
| Item Name | Filter,low Pass |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Rlc Electronics, Inc |
| Status | ACTIVE |
| Reference Frequency Per Function | 4.7 GIGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Facility Type and Quantity | 2 TERMINAL LOCATION NOT OTHERWISE SPECIFIED |
| Voltage Standing Wave Ratio Per Function | 1.35 BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Inclosure Type | ENCASED |
| Average Power Rating Per Function | 1.0 WATTS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Output Terminal Identification | SMA-RECEPTACLE |
| Functional Terminal Type and Quantity | 1 CONNECTOR, RECEPTACLE OUTPUT SECOND FUNCTION |
| Functional Terminal Type and Quantity | 1 CONNECTOR, PLUG INPUT FIRST FUNCTION |
| Body Outside Diameter | 0.270 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Source Impedance Rating Per Function | 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Vibration Resistance Range in Hertz | +10.0 TO 200.0 |
| Output Terminal Manufacturer Code | 49956 |
| Style Designator | ROUND TERMINAL/TERMINALS ON OPPOSITE SURFACES |
| Voltage Standing Wave Ratio Frequency Limits Per Function | 4.4 GIGAHERTZ BLANK AND 5.0 GIGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Input Terminal Manufacturer Code | 49956 |
| Discrimination at Specified Frequencies Per Function in Decibels | 1.0 MAXIMUM BLANK AND 60.0 MINIMUM BLANK FIRST FUNCTION |
| Frequency Band Width Per Function | 4.40 GIGAHERTZ BLANK AND 5.00 GIGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Input Terminal Identification | SMA-PLUG |
| Operating Temp Range | -18.0 TO 75.0 CELSIUS DEGC |
| Insertion Loss at Reference Frequency Per Function in Decibels | 0.35 BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Load Impedance Per Function | 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Specified Frequencies of Discrimination Per Function | 4.40 GIGAHERTZ BLANK AND 5.00 GIGAHERTZ BLANK AND 8.50 GIGAHERTZ BLANK AND 20.00 GIGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Average Life Rating in Hours | 30000.0 |
| 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 |
|---|---|
| F-3957 | Rlc Electronics, Inc (USA) |
| 5L250-X5000-OP/O | K&l Microwave Llc (USA) |
| Reference | Meaning |
|---|---|
| G167661-1 | 7/2 Vendor item drawing reference Raytheon Company Dba Raytheon Co |
| F190DS | 5/9 Secondary reference Caes Systems Llc |
| F109DS | 3/9 Design control — primary reference Caes Systems Llc |
| G167661-1 | 5/9 Secondary reference Raytheon Company Div Corp |
| X5LB5600-3-LK | 5/9 Secondary reference Trilithic, Inc. |
NSN 5915-01-157-9998 is a Filter,low Pass, manufactured by Rlc Electronics, Inc, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-157-9998 has 2 manufacturer part numbers on file: F-3957 (Rlc Electronics, Inc), 5L250-X5000-OP/O (K&l Microwave Llc).
Key specifications for F-3957: Reference Frequency Per Function: 4.7 GIGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED; Mounting Facility Type and Quantity: 2 TERMINAL LOCATION NOT OTHERWISE SPECIFIED; Voltage Standing Wave Ratio Per Function: 1.35 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.
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.