The Coupler,directional, cataloged under National Stock Number 5985-00-435-8188, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5985-00-435-8188 |
| Primary Part Number | 2641197 |
| Item Name | Coupler,directional |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Terminal Fitting Controlling Agency | MIL; NAVAL ORDNANCE SYSTEMS COMMAND |
| Usage Design | MAIN LINE AND SECONDARY LINE TERMINAL FITTING |
| Power Loss in Decibels | 7.0 |
| Identifying Number | TERMINAL FITTING TYPE NO. UG-39-U; DWG NO. 2115898 |
| Design Type | BIDIRECTIONAL |
| Unit Type | WAVEGUIDE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1047098 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 2641197 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 2641197 | C/1 Advisory reference — outside the item-of-supply concept Lockheed Martin Corporation Div Rms - Mitchel Field |
NSN 5985-00-435-8188 is a Coupler,directional, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-435-8188 has 2 manufacturer part numbers on file: 1047098 (Lockheed Martin Corporation Div Rms - Mitchel Field), 2641197 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
1 possible match (shared part number, not a government interchangeability claim): 5995-01-707-4548. Verify interchangeability with system specifications before substitution.
Key specifications for 2641197: Overall Height: 1.625 INCHES NOMINAL IN; Terminal Fitting Controlling Agency: MIL; NAVAL ORDNANCE SYSTEMS COMMAND; Usage Design: MAIN LINE AND SECONDARY LINE TERMINAL FITTING; Power Loss in Decibels: 7.0. 6 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5985-00-435-8188 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.