The Filter,band Pass, cataloged under National Stock Number 5915-01-114-9853, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Leonardo S.p.a. Security & Information System Division. Government technical data includes 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5915-01-114-9853 |
| Primary Part Number | 4-24990R |
| Item Name | Filter,band Pass |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Leonardo S.p.a. Security & Information System Division |
| Status | ACTIVE |
| Reference Frequency Per Function | 501.7 KILOHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Facility Type and Quantity | 2 THREADED STUD(S) LOCATION NOT OTHERWISE SPECIFIED |
| Inclosure Type | HERMETICALLY SEALED |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 38.1 MILLIMETERS NOMINAL MM |
| Functional Terminal Type and Quantity | 2 PIN INPUT FIRST FUNCTION |
| Functional Terminal Type and Quantity | 2 PIN OUTPUT SECOND FUNCTION |
| Source Impedance Rating Per Function | 2.0 KILOHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Body Width | 12.7 MILLIMETERS MAXIMUM MM |
| Body Height | 15.7 MILLIMETERS MAXIMUM MM |
| Style Designator | RECTANGULAR TERMINAL/TERMINALS ON ONE SURFACE |
| Mounting Facility Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Nominal Thread Size | 0.112 INCHES IN |
| Body Length | 69.3 MILLIMETERS MAXIMUM MM |
| Principal Circuitry Type Per Function | MECHANICAL BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Insertion Loss at Reference Frequency Per Function in Decibels | 5.0 BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Load Impedance Per Function | 2.0 KILOHMS 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 |
|---|---|
| 4-24990R | Leonardo S.p.a. Security & Information System Division (ITA) |
| 4-24990R | Bastogi Sistemi Spa (ITA) |
| Reference | Meaning |
|---|---|
| 526-9668-010 | 5/9 Secondary reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| 526-9668-010 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5915-01-114-9853 is a Filter,band Pass, manufactured by Leonardo S.p.a. Security & Information System Division, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-114-9853 has 2 manufacturer part numbers on file: 4-24990R (Leonardo S.p.a. Security & Information System Division), 4-24990R (Bastogi Sistemi Spa).
Key specifications for 4-24990R: Reference Frequency Per Function: 501.7 KILOHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED; Mounting Facility Type and Quantity: 2 THREADED STUD(S) LOCATION NOT OTHERWISE SPECIFIED; Overall Height: 22.4 MILLIMETERS MAXIMUM MM; Inclosure Type: HERMETICALLY SEALED. 16 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.