The Coupler,directional, cataloged under National Stock Number 5985-00-372-3184, 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 Johnson Controls, Inc Div Building Efficiency. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5985-00-372-3184 |
| Primary Part Number | SA12776 |
| Item Name | Coupler,directional |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Johnson Controls, Inc Div Building Efficiency |
| Status | ACTIVE |
| FSC Application Data | RADAR ANTENNA SUPPORT SET AND RADOMES,EXCEPT SPECIALLY DESIGNED |
| Terminal Fitting Controlling Agency | J0HNSON SERVICE C0 |
| Usage Design | MAIN LINE TERMINAL FITTING |
| Power Loss in Decibels | 20.0 |
| Design Type | BIDIRECTIONAL |
| Precious Material | SILVER |
| Precious Material and Weight | 0.100 SILVER GRAINS, TROY |
| Unit Type | WAVEGUIDE |
| Precious Material and Location | SCREWS SILVER AND INTERNAL SURFACES SILVER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5985-00-372-3184 is a Coupler,directional, manufactured by Johnson Controls, Inc Div Building Efficiency, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-372-3184 has 2 manufacturer part numbers on file: SA12776 (Johnson Controls, Inc Div Building Efficiency), 30765 (Johnson Controls, Inc Div Building Efficiency).
1 possible match (shared part number, not a government interchangeability claim): 2520-00-712-3430. Verify interchangeability with system specifications before substitution.
Key specifications for SA12776: Overall Height: 4.688 INCHES NOMINAL IN; FSC Application Data: RADAR ANTENNA SUPPORT SET AND RADOMES,EXCEPT SPECIALLY DESIGNED; Terminal Fitting Controlling Agency: J0HNSON SERVICE C0; Usage Design: MAIN LINE TERMINAL FITTING. 9 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.
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.