The Rotary Joint,search, cataloged under National Stock Number 1420-01-149-7133, is classified within Federal Supply Class 1420 (Guided Missile Components) of the Guided Missiles group. The manufacturer of record is Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Rotary Joint,search |
| FSC / FSG | 1420 — Guided Missile Components (FSG 14) |
| Manufacturers | Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc (CAGE 01456); Naval Sea Systems Command (CAGE 53711); Diamond Antenna & Microwave Corporation (CAGE 01882) |
| Parameter | Value |
|---|---|
| NSN | 1420-01-149-7133 |
| Primary Part Number | D20-3658 |
| Item Name | Rotary Joint,search |
| FSC / FSG | 1420 / 14 — Guided Missile Components |
| Manufacturer | Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| D20-3658 PRIMARY | Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc (USA) |
| 0098-LL-TJ2-4588 | Naval Sea Systems Command (USA) |
| 27-945-0 | Diamond Antenna & Microwave Corporation (USA) |
| Reference | Meaning |
|---|---|
| 5985PL0985395 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 5335702 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
NSN 1420-01-149-7133 is a Rotary Joint,search, manufactured by Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc, classified under FSC 1420, Guided Missile Components. Status: active.
NSN 1420-01-149-7133 has 3 manufacturer part numbers on file: D20-3658 (Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc), 0098-LL-TJ2-4588 (Naval Sea Systems Command), 27-945-0 (Diamond Antenna & Microwave Corporation).
1 possible match (shared part number, not a government interchangeability claim): 6685-01-484-0825. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1420-01-149-7133 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.