The Filter,band Pass, cataloged under National Stock Number 5915-01-178-2592, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is William Wheeler Dba Filtek. Government technical data includes 18 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5915-01-178-2592 |
| Primary Part Number | BP12/1550-43-3MM |
| Item Name | Filter,band Pass |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | William Wheeler Dba Filtek |
| Status | ACTIVE |
| Reference Frequency Per Function | 550.0 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Facility Type and Quantity | 4 THREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED |
| Voltage Standing Wave Ratio Per Function | 1.5 BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Inclosure Type | ENCASED |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 1.380 INCHES NOMINAL IN |
| Functional Terminal Type and Quantity | 2 PIN INPUT-OUTPUT LOCATION NOT OTHERWISE SPECIFIED |
| Source Impedance Rating Per Function | 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Body Width | 0.690 INCHES NOMINAL IN |
| Body Height | 0.380 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR TERMINAL/TERMINALS ON ONE SURFACE |
| Mounting Facility Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Nominal Thread Size | 0.086 INCHES IN |
| Body Length | 1.500 INCHES NOMINAL IN |
| Voltage Standing Wave Ratio Frequency Limits Per Function | 549.0 MEGAHERTZ BLANK AND 551.0 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 0.564 INCHES NOMINAL IN |
| Principal Circuitry Type Per Function | INDUCTANCE-CAPACITANCE BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Insertion Loss at Reference Frequency Per Function in Decibels | 2.5 BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Load Impedance Per Function | 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| 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 |
|---|---|
| BP12/1550-43-3MM | William Wheeler Dba Filtek (USA) |
| Reference | Meaning |
|---|---|
| 4B550-43-3MM | 3/9 Design control — primary reference Teledyne Wireless, Llc Dba Teledyne Microwave Solutions |
| SM-A-803355-1 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5915-01-178-2592 is a Filter,band Pass, manufactured by William Wheeler Dba Filtek, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-178-2592 has 1 manufacturer part number on file: BP12/1550-43-3MM (William Wheeler Dba Filtek).
Key specifications for BP12/1550-43-3MM: Reference Frequency Per Function: 550.0 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED; Mounting Facility Type and Quantity: 4 THREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED; Overall Height: 0.530 INCHES NOMINAL IN; Voltage Standing Wave Ratio Per Function: 1.5 BLANK LOCATION NOT OTHERWISE SPECIFIED. 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.
NSN 5915-01-178-2592 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.