The Filter,low Pass, cataloged under National Stock Number 5915-01-412-2906, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is K&l Microwave Llc. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5915-01-412-2906 |
| Primary Part Number | 4C45-1090/21.5-0/0 |
| Item Name | Filter,low Pass |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | K&l Microwave Llc |
| Status | ACTIVE |
| Reference Frequency Per Function | 1.09 GIGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED |
| Voltage Standing Wave Ratio Per Function | 1.5 BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Inclosure Type | HERMETICALLY SEALED |
| Functional Terminal Type and Quantity | 1 CONNECTOR, RECEPTACLE OUTPUT SECOND FUNCTION |
| Functional Terminal Type and Quantity | 1 CONNECTOR, RECEPTACLE INPUT FIRST FUNCTION |
| Source Impedance Rating Per Function | 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Body Width | 1.000 INCHES NOMINAL IN |
| Body Height | 2.600 INCHES NOMINAL IN |
| Unthreaded Mounting Hole Diameter | 0.160 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES |
| Body Material | METAL |
| Body Length | 3.600 INCHES NOMINAL IN |
| Voltage Standing Wave Ratio Frequency Limits Per Function | 1.0685 GIGAHERTZ BLANK AND 1.09 GIGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Frequency Band Width Per Function | 1.0685 GIGAHERTZ BLANK AND 1.09 GIGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Insertion Loss at Reference Frequency Per Function in Decibels | 1.0 BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Load Impedance Per Function | 50.0 OHMS 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 |
|---|---|
| 4C45-1090/21.5-0/0 PRIMARY | K&l Microwave Llc (USA) |
| Reference | Meaning |
|---|---|
| 331262-2 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5915-01-412-2906 is a Filter,low Pass, manufactured by K&l Microwave Llc, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-412-2906 has 1 manufacturer part number on file: 4C45-1090/21.5-0/0 (K&l Microwave Llc).
Key specifications for 4C45-1090/21.5-0/0: Reference Frequency Per Function: 1.09 GIGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED; Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED; Voltage Standing Wave Ratio Per Function: 1.5 BLANK LOCATION NOT OTHERWISE SPECIFIED; Inclosure Type: HERMETICALLY SEALED. 17 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 5915-01-412-2906 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.