The Triplexer,coaxial, cataloged under National Stock Number 5865-01-027-8449, is classified within Federal Supply Class 5865 (Electronic Countermeasures, Counter-countermeasures and Quick Reaction Capability Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Microphase Corp. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5865-01-027-8449 |
| Primary Part Number | M1975 |
| Item Name | Triplexer,coaxial |
| FSC / FSG | 5865 / 58 — Electronic Countermeasures, Counter-countermeasures and Quick Reaction Capability Equipment |
| Manufacturer | Microphase Corp |
| Status | ACTIVE |
| General Characteristics Item Description | 3.140 IN. MIN,3.180 IN. MAX O/A LG,1.840 IN. MIN,1.920 IN. MAX H,1.110 IN. MIN,1.150 IN. MAX W IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| M1975 PRIMARY | Microphase Corp (USA) |
| Reference | Meaning |
|---|---|
| 1128SCAV848-1 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
| TD-1222/A | 5/1 Secondary reference U.S. Government activity |
| 1128SCAV848-1 | 7/9 Vendor item drawing reference Northrop Grumman Systems Corporation |
NSN 5865-01-027-8449 is a Triplexer,coaxial, manufactured by Microphase Corp, classified under FSC 5865, Electronic Countermeasures, Counter-countermeasures and Quick Reaction Capability Equipment. Status: active.
NSN 5865-01-027-8449 has 1 manufacturer part number on file: M1975 (Microphase Corp).
Key specifications for M1975: General Characteristics Item Description: 3.140 IN. MIN,3.180 IN. MAX O/A LG,1.840 IN. MIN,1.920 IN. MAX H,1.110 IN. MIN,1.150 IN. MAX W IN. 1 specification is 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 5865-01-027-8449 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.