The Isolator Assembly,coaxial, cataloged under National Stock Number 5865-00-448-5920, 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 E and M Laboratories Div of Trak Microwave 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5865-00-448-5920 |
| Primary Part Number | U26T14 |
| Item Name | Isolator Assembly,coaxial |
| FSC / FSG | 5865 / 58 — Electronic Countermeasures, Counter-countermeasures and Quick Reaction Capability Equipment |
| Manufacturer | E and M Laboratories Div of Trak Microwave Corp |
| Status | ACTIVE |
| General Characteristics Item Description | 2.000 BY 2.000 IN.,4 MOUNTING HOLES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| U26T14 PRIMARY | E and M Laboratories Div of Trak Microwave Corp (USA) |
| Reference | Meaning |
|---|---|
| 329005-1 | 7/2 Vendor item drawing reference Raytheon Company |
NSN 5865-00-448-5920 is a Isolator Assembly,coaxial, manufactured by E and M Laboratories Div of Trak Microwave Corp, classified under FSC 5865, Electronic Countermeasures, Counter-countermeasures and Quick Reaction Capability Equipment. Status: active.
NSN 5865-00-448-5920 has 1 manufacturer part number on file: U26T14 (E and M Laboratories Div of Trak Microwave Corp).
1 possible match (shared part number, not a government interchangeability claim): 3030-01-572-9725. Verify interchangeability with system specifications before substitution.
Key specifications for U26T14: General Characteristics Item Description: 2.000 BY 2.000 IN.,4 MOUNTING HOLES 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 5865-00-448-5920 has DEMIL Code Q. 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.