The Coupler,directional, cataloged under National Stock Number 5985-00-314-0831, 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 Northrop Grumman Systems Corporation. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-314-0831 |
| Primary Part Number | 123SCSA510-1 |
| Item Name | Coupler,directional |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Radio Frequency Rating | 300.0 MEGAHERTZ MINIMUM AND 500.0 MEGAHERTZ MAXIMUM |
| Unit Type | COAXIAL LINE |
| 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 |
|---|---|
| 123SCSA510-1 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 23099A | 5/2 Secondary reference U.S. Government activity |
| 307699 | 5/9 Secondary reference U.S. Government activity |
| 23099 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-00-314-0831 is a Coupler,directional, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-314-0831 has 1 manufacturer part number on file: 123SCSA510-1 (Northrop Grumman Systems Corporation).
3 possible matches (shared part number, not a government interchangeability claim): 3040-00-787-9094, 5365-01-051-2410, 5940-01-196-2743. Verify interchangeability with system specifications before substitution.
Key specifications for 123SCSA510-1: Overall Height: 2.940 INCHES NOMINAL IN; Radio Frequency Rating: 300.0 MEGAHERTZ MINIMUM AND 500.0 MEGAHERTZ MAXIMUM; Overall Length: 10.760 INCHES NOMINAL IN; Overall Width: 1.250 INCHES NOMINAL IN. 2 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 5985-00-314-0831 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.