The Duplexer, cataloged under National Stock Number 5895-00-437-7258, is classified within Federal Supply Class 5895 (Miscellaneous Communication Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is L3harris Technologies, Inc. Dba Harris Corporation. Government technical data includes 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5895-00-437-7258 |
| Primary Part Number | SMB683713 |
| Item Name | Duplexer |
| FSC / FSG | 5895 / 58 — Miscellaneous Communication Equipment |
| Manufacturer | L3harris Technologies, Inc. Dba Harris Corporation |
| Status | ACTIVE |
| FSC Application Data | RADIO,EXCEPT NAVIGATION,NONAIRBORNE |
| Overall Diameter | 3.625 INCHES NOMINAL IN |
| Identifying Number | CU-1891/GRC TYPE NO. |
| Item Name Assigned by Government Agency | DUPLEXER |
| Operating Frequency | 4.4 GIGAHERTZ MINIMUM AND 5.0 GIGAHERTZ MAXIMUM |
| Transmission Line Type | RECTANGULAR WAVEGUIDE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Shelf Life Code | 0 |
| Criticality Code | N |
| Unit of Issue | EA |
| Acquisition advice code | YF |
| Weight | 2.0000 lbs |
| Cube | 0.2069 cu ft |
| Part Number | Manufacturer |
|---|---|
| SMB683713 | L3harris Technologies, Inc. Dba Harris Corporation (USA) |
| Reference | Meaning |
|---|---|
| CU1891GRC | 5/2 Secondary reference U.S. Government activity |
| SMB683713 | 3/2 Design control — primary reference U.S. Government activity |
| SMB683713 | 5/9 Secondary reference Itt Industries Inc Itt Aerospace Communications Div East |
NSN 5895-00-437-7258 is a Duplexer, manufactured by L3harris Technologies, Inc. Dba Harris Corporation, classified under FSC 5895, Miscellaneous Communication Equipment. Status: active.
NSN 5895-00-437-7258 has 1 manufacturer part number on file: SMB683713 (L3harris Technologies, Inc. Dba Harris Corporation).
Key specifications for SMB683713: FSC Application Data: RADIO,EXCEPT NAVIGATION,NONAIRBORNE; Overall Diameter: 3.625 INCHES NOMINAL IN; Identifying Number: CU-1891/GRC TYPE NO.; Item Name Assigned by Government Agency: DUPLEXER. 6 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5895-00-437-7258 has DEMIL Code B. 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.