The Adapter,antenna to Antenna Base, cataloged under National Stock Number 5985-01-676-7231, 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 Bluesky Mast, Inc.. Government technical data includes 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-676-7231 |
| Primary Part Number | BSMU-K-M650-ROT-BRK |
| Item Name | Adapter,antenna to Antenna Base |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Bluesky Mast, Inc. |
| Status | ACTIVE |
| Functional Description | ATTACHED CHAIN USED TO CONTROL ROTATION FROM BOTTOM OF THE MAST SYSTEM. |
| 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 |
|---|---|
| BSMU-K-M650-ROT-BRK PRIMARY | Bluesky Mast, Inc. (USA) |
| 617-818394-000 | Ultra Electronics Tcs Inc (CAN) |
NSN 5985-01-676-7231 is a Adapter,antenna to Antenna Base, manufactured by Bluesky Mast, Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-676-7231 has 2 manufacturer part numbers on file: BSMU-K-M650-ROT-BRK (Bluesky Mast, Inc.), 617-818394-000 (Ultra Electronics Tcs Inc).
Key specifications for BSMU-K-M650-ROT-BRK: Functional Description: ATTACHED CHAIN USED TO CONTROL ROTATION FROM BOTTOM OF THE MAST SYSTEM.; Part Name Assigned by Controlling Agency: BRACKET-UNIVERSAL-MANUAL ROTATE, 45 DEGREE. 1 specification is 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.