The Duplexer, cataloged under National Stock Number 5895-01-154-4141, is classified within Federal Supply Class 5895 (Miscellaneous Communication Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Frontgrade Technologies Inc.. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Item Name | Duplexer |
| FSC / FSG | 5895 — Miscellaneous Communication Equipment (FSG 58) |
| Manufacturers | Raytheon Company Dba Raytheon Co (CAGE 3B150); Raytheon Company Div Corp (CAGE 49956); Frontgrade Technologies Inc. (CAGE 66544) |
| Parameter | Value |
|---|---|
| NSN | 5895-01-154-4141 |
| Primary Part Number | 585R322H01 |
| Item Name | Duplexer |
| FSC / FSG | 5895 / 58 — Miscellaneous Communication Equipment |
| Manufacturer | Frontgrade Technologies Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Shelf Life Code | W |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | JN |
| Weight | 1.0000 lbs |
| Cube | 0.0231 cu ft |
| Part Number | Manufacturer |
|---|---|
| 585R322H01 | Raytheon Company Dba Raytheon Co (USA) |
| 585R322H01 | Raytheon Company Div Corp (USA) |
| 585R322H01 PRIMARY | Frontgrade Technologies Inc. (USA) |
| Reference | Meaning |
|---|---|
| 585R322H01 | 5/9 Secondary reference Raytheon Company |
| 585R322H01 | 5/9 Secondary reference U.S. Government activity |
| 585R322H01 | 1/2 Source control — Government-approved source U.S. Government activity |
| 585R322H01 | 5/9 Secondary reference U.S. Government activity |
NSN 5895-01-154-4141 is a Duplexer, manufactured by Frontgrade Technologies Inc., classified under FSC 5895, Miscellaneous Communication Equipment. Status: active.
NSN 5895-01-154-4141 has 3 manufacturer part numbers on file: 585R322H01 (Raytheon Company Dba Raytheon Co), 585R322H01 (Raytheon Company Div Corp), 585R322H01 (Frontgrade Technologies Inc.).
Hazardous per DLA record (HMIC Y). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5895-01-154-4141 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.