The Filter,high Pass, cataloged under National Stock Number 5915-01-439-5523, 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 11 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5915-01-439-5523 |
| Primary Part Number | 11ISH-500/X8000-0/0 |
| Item Name | Filter,high Pass |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | K&l Microwave Llc |
| Status | ACTIVE |
| Reference Frequency Per Function | 0.5 GIGAHERTZ BLANK FIRST FUNCTION |
| Mounting Facility Type and Quantity | 2 CONNECTOR FIRST FUNCTION |
| Unpackaged Unit Weight | 2.000 OUNCES NOMINAL OZ |
| Inclosure Type | ENCASED |
| Functional Terminal Type and Quantity | 1 CONNECTOR, RECEPTACLE INPUT AND 1 CONNECTOR, RECEPTACLE OUTPUT FIRST FUNCTION |
| Body Width | 0.900 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES |
| Body Length | 1.500 INCHES NOMINAL IN |
| Frequency Band Width Per Function | 0.50 GIGAHERTZ BLANK AND 8.00 GIGAHERTZ BLANK FIRST FUNCTION |
| Operating Temp Range | -55.0 TO 85.0 CELSIUS DEGC |
| Insertion Loss at Reference Frequency Per Function in Decibels | 2.0 BLANK FIRST FUNCTION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 11ISH-500/X8000-0/0 PRIMARY | K&l Microwave Llc (USA) |
| 4000-40390-01 | The Boeing Company Div Legacy Corinth Bgrc (USA) |
| R7720 PRIMARY | Microphase Corp (USA) |
NSN 5915-01-439-5523 is a Filter,high Pass, manufactured by K&l Microwave Llc, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-439-5523 has 3 manufacturer part numbers on file: 11ISH-500/X8000-0/0 (K&l Microwave Llc), 4000-40390-01 (The Boeing Company Div Legacy Corinth Bgrc), R7720 (Microphase Corp).
Key specifications for 11ISH-500/X8000-0/0: Reference Frequency Per Function: 0.5 GIGAHERTZ BLANK FIRST FUNCTION; Mounting Facility Type and Quantity: 2 CONNECTOR FIRST FUNCTION; Overall Height: 0.500 INCHES NOMINAL IN; Unpackaged Unit Weight: 2.000 OUNCES NOMINAL OZ. 11 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 5915-01-439-5523 has DEMIL Code D. 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.