The Filter,band Pass, cataloged under National Stock Number 5915-01-028-3685, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Thermo Electron Corporation Dba Iec Centrifuge Div Laboratory Equipment Divsion. Government technical data includes 22 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5915-01-028-3685 |
| Primary Part Number | 6597A1-2 |
| Item Name | Filter,band Pass |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Thermo Electron Corporation Dba Iec Centrifuge Div Laboratory Equipment Divsion |
| Status | ACTIVE |
| Reference Frequency Per Function | 5.436 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Facility Type and Quantity | 1 THREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED |
| Inclosure Type | ENCASED |
| Functional Terminal Type and Quantity | 1 PIN INPUT FIRST FUNCTION |
| Functional Terminal Type and Quantity | 1 PIN GROUND THIRD FUNCTION |
| Functional Terminal Type and Quantity | 1 PIN OUTPUT SECOND FUNCTION |
| Source Impedance Rating Per Function | 1.0 KILOHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Vibration Resistance Range in Hertz | +10.0 TO 55.0 |
| Body Width | 0.875 INCHES MAXIMUM IN |
| Body Height | 0.960 INCHES MAXIMUM IN |
| 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 Material | METAL |
| Body Length | 1.000 INCHES MAXIMUM IN |
| Discrimination at Specified Frequencies Per Function in Decibels | 20.0 MINIMUM BLANK AND 3.0 MINIMUM BLANK FIRST FUNCTION |
| Frequency Band Width Per Function | 5.433 MEGAHERTZ BLANK AND 5.439 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Operating Temp Range | +0.0 TO 65.0 CELSIUS DEGC |
| Insertion Loss at Reference Frequency Per Function in Decibels | 1.0 BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Load Impedance Per Function | 3.01 KILOHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Specified Frequencies of Discrimination Per Function | 5.429 MEGAHERTZ BLANK AND 5.433 MEGAHERTZ BLANK AND 5.439 MEGAHERTZ BLANK AND 5.443 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Average Life Rating in Hours | 20000.0 |
| 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 |
|---|---|
| 6597A1-2 | Thermo Electron Corporation Dba Iec Centrifuge Div Laboratory Equipment Divsion (USA) |
| FE-F11902 | Frequency Electronics Inc (USA) |
| 2887382-2 | Raytheon Company Div Corp (USA) |
| Reference | Meaning |
|---|---|
| 6597A2 | 5/9 Secondary reference Thermo Electron Corporation Dba Iec Centrifuge Div Laboratory Equipment Divsion |
| 2887382-2 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| CF-5452-2 | 5/9 Secondary reference Leigh Instruments Ltd Frequency Control Div C R Snelgrove Co C R Snelgrove Co |
NSN 5915-01-028-3685 is a Filter,band Pass, manufactured by Thermo Electron Corporation Dba Iec Centrifuge Div Laboratory Equipment Divsion, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-028-3685 has 3 manufacturer part numbers on file: 6597A1-2 (Thermo Electron Corporation Dba Iec Centrifuge Div Laboratory Equipment Divsion), FE-F11902 (Frequency Electronics Inc), 2887382-2 (Raytheon Company Div Corp).
1 possible match (shared part number, not a government interchangeability claim): 5915-01-028-5862. Verify interchangeability with system specifications before substitution.
Key specifications for 6597A1-2: Reference Frequency Per Function: 5.436 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED; Mounting Facility Type and Quantity: 1 THREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED; Overall Height: 1.355 INCHES MINIMUM IN; Inclosure Type: ENCASED. 22 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.