The Coax Duplexer 18-40, cataloged under National Stock Number 5998-01-491-9850, is classified within Federal Supply Class 5998 (Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware) of the Electrical and Electronic Equipment Components group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5998-01-491-9850 |
| Item Name | Coax Duplexer 18-40 |
| FSC / FSG | 5998 / 59 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Shelf Life Code | 0 |
| Criticality Code | Y |
| Unit of Issue | EA |
| Acquisition advice code | CH |
| Reference | Meaning |
|---|---|
| 113240-01 | C/1 Advisory reference — outside the item-of-supply concept L3harris Technologies, Inc Div Space & Airborne Systems |
| 113240-01 | 3/9 Design control — primary reference Harris Corporation Dba Edo Reconnaissance and Surveillance Systems Div Ew Recon and Surveillance Systems |
NSN 5998-01-491-9850 is a Coax Duplexer 18-40, classified under FSC 5998, Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware. Status: active.
Key specifications for 5998-01-491-9850: Criticality Code Justification: AGAV; Part Name Assigned by Controlling Agency: 18-40GHZ COAX DPL GHz; End Item Identification: PATROL AIRCRAFT (EP-3E). 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.
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.