The Coupler,rotary,radio Frequency, cataloged under National Stock Number 5985-01-127-1989, 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 Lake Shore Systems, Inc.. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5985-01-127-1989 |
| Primary Part Number | 7CB-05234 |
| Item Name | Coupler,rotary,radio Frequency |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| Overall Diameter | 1.250 INCHES NOMINAL IN |
| Precious Material | RHODIUM AND SILVER |
| Radio Frequency Rating | 0.0 GIGAHERTZ MINIMUM AND 12.4 GIGAHERTZ MAXIMUM |
| Unit Type | COAXIAL LINE OR TRANSMISSION LINE |
| Precious Material and Location | EXTERNAL SURFACES RHODIUM AND INTERNAL SURFACES SILVER |
| Material | COPPER ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7CB-05234 | Lake Shore Systems, Inc. (USA) |
| P1-5654G11 | Spectrum Microwave, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 2-6743-2 | 5/9 Secondary reference Spectrum Microwave, Inc. |
| 305-WBB | 5/9 Secondary reference Spectrum Microwave, Inc. |
| 8-52-116 | 3/9 Design control — primary reference Itw Heartland Components Inc |
| 8-52-116 | 5/9 Secondary reference Illinois Tool Wks Inc Linac Div |
NSN 5985-01-127-1989 is a Coupler,rotary,radio Frequency, manufactured by Lake Shore Systems, Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-127-1989 has 2 manufacturer part numbers on file: 7CB-05234 (Lake Shore Systems, Inc.), P1-5654G11 (Spectrum Microwave, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 3020-01-349-7873. Verify interchangeability with system specifications before substitution.
Key specifications for 7CB-05234: Overall Diameter: 1.250 INCHES NOMINAL IN; Precious Material: RHODIUM AND SILVER; Radio Frequency Rating: 0.0 GIGAHERTZ MINIMUM AND 12.4 GIGAHERTZ MAXIMUM; Overall Length: 3.375 INCHES NOMINAL IN. 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.
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.