The Duplexer, cataloged under National Stock Number 5895-01-115-5289, is classified within Federal Supply Class 5895 (Miscellaneous Communication Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Tx Rx Systems Inc. Government technical data includes 2 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. 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 | 5895-01-115-5289 |
| Primary Part Number | 28-37-12 |
| Item Name | Duplexer |
| FSC / FSG | 5895 / 58 — Miscellaneous Communication Equipment |
| Manufacturer | Tx Rx Systems Inc |
| Status | ACTIVE |
| Operating Frequency | 144.0 MEGAHERTZ MINIMUM AND 174.0 MEGAHERTZ MAXIMUM |
| Transmission Line Type | COAXIAL CABLE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL C — Remove/Demil Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 28-37-12 PRIMARY | Tx Rx Systems Inc (USA) |
NSN 5895-01-115-5289 is a Duplexer, manufactured by Tx Rx Systems Inc, classified under FSC 5895, Miscellaneous Communication Equipment. Status: active.
NSN 5895-01-115-5289 has 1 manufacturer part number on file: 28-37-12 (Tx Rx Systems Inc).
1 possible match (shared part number, not a government interchangeability claim): 2010-01-378-4363. Verify interchangeability with system specifications before substitution.
Key specifications for 28-37-12: Overall Height: 9.500 INCHES NOMINAL IN; Overall Width: 19.000 INCHES NOMINAL IN; Operating Frequency: 144.0 MEGAHERTZ MINIMUM AND 174.0 MEGAHERTZ MAXIMUM; Transmission Line Type: COAXIAL CABLE. 2 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 5895-01-115-5289 has DEMIL Code C. 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.