The Filter,low Pass, cataloged under National Stock Number 5915-01-178-4280, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Esc Control Electronics Llc Dba Control Electronics Division of Fil-Coil. Government technical data includes 18 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5915-01-178-4280 |
| Primary Part Number | 44F75B |
| Item Name | Filter,low Pass |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Esc Control Electronics Llc Dba Control Electronics Division of Fil-Coil |
| Status | ACTIVE |
| Reference Frequency Per Function | 1.0 KILOHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Facility Type and Quantity | 6 TERMINAL LOCATION NOT OTHERWISE SPECIFIED |
| Unpackaged Unit Weight | 37.0 GRAMS NOMINAL G |
| Inclosure Type | ENCASED |
| Functional Terminal Type and Quantity | 1 PIN INPUT FIRST FUNCTION |
| Functional Terminal Type and Quantity | 2 PIN GROUND THIRD FUNCTION |
| Functional Terminal Type and Quantity | 1 PIN OUTPUT SECOND FUNCTION |
| Source Impedance Rating Per Function | 600.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Body Width | 1.300 INCHES MAXIMUM IN |
| Body Height | 0.490 INCHES MAXIMUM IN |
| Style Designator | RECTANGULAR TERMINAL/TERMINALS ON ONE SURFACE |
| Body Length | 1.800 INCHES MAXIMUM IN |
| Discrimination at Specified Frequencies Per Function in Decibels | 1.0 MAXIMUM BLANK AND 45.0 MINIMUM BLANK FIRST FUNCTION |
| Frequency Band Width Per Function | 1.00 HERTZ BLANK AND 3.60 KILOHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Operating Temp Range | -0.0 TO 70.0 CELSIUS DEGC |
| Insertion Loss at Reference Frequency Per Function in Decibels | 1.0 BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Load Impedance Per Function | 600.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Specified Frequencies of Discrimination Per Function | 1.00 HERTZ BLANK AND 3.60 KILOHERTZ BLANK AND 5.00 KILOHERTZ BLANK AND 5.00 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED |
| 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 |
|---|---|
| 44F75B PRIMARY | Esc Control Electronics Llc Dba Control Electronics Division of Fil-Coil (USA) |
| F2399 | Magnetika Inc Div Magnetika/phillipsburg Location (USA) |
| Reference | Meaning |
|---|---|
| 0N270666 | 5/2 Secondary reference U.S. Government activity |
| F2399 | 5/9 Secondary reference Opt Industries Inc Div of Electronika Inc |
| LPF104633 | 5/2 Secondary reference U.S. Government activity |
NSN 5915-01-178-4280 is a Filter,low Pass, manufactured by Esc Control Electronics Llc Dba Control Electronics Division of Fil-Coil, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-178-4280 has 2 manufacturer part numbers on file: 44F75B (Esc Control Electronics Llc Dba Control Electronics Division of Fil-Coil), F2399 (Magnetika Inc Div Magnetika/phillipsburg Location).
1 possible match (shared part number, not a government interchangeability claim): 2925-01-540-7389. Verify interchangeability with system specifications before substitution.
Key specifications for 44F75B: Reference Frequency Per Function: 1.0 KILOHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED; Mounting Facility Type and Quantity: 6 TERMINAL LOCATION NOT OTHERWISE SPECIFIED; Overall Height: 1.000 INCHES NOMINAL IN; Unpackaged Unit Weight: 37.0 GRAMS NOMINAL G. 18 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.