The Coupler,rotary,radio Frequency, cataloged under National Stock Number 5985-00-441-9608, 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 Spectrum Microwave, Inc.. Government technical data includes 7 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-441-9608 |
| Primary Part Number | 305WAA |
| Item Name | Coupler,rotary,radio Frequency |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Spectrum Microwave, Inc. |
| Status | ACTIVE |
| Overall Diameter | 1.250 INCHES NOMINAL IN |
| Input Impedance Rating in Ohms | 50.0 |
| Radio Frequency Rating | 12.4 GIGAHERTZ MAXIMUM |
| Unit Type | COAXIAL LINE |
| Mounting Configuration | CONNECTOR |
| Material | COPPER ALLOY |
| Output Impedance Rating in Ohms | 50.0 |
| 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 |
|---|---|
| 305WAA PRIMARY | Spectrum Microwave, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 4456899PC2SQ | C/1 Advisory reference — outside the item-of-supply concept Naval Inventory Control Point Mechanicsburg |
| 4390836 PIECE 22 | 5/2 Secondary reference U.S. Government activity |
| 4456899 PIECE 2 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 4456899 PIECE 2 | 5/2 Secondary reference U.S. Government activity |
| B1-6656REVG | 5/1 Secondary reference Spectrum Microwave, Inc. |
| B1-6656 | C/1 Advisory reference — outside the item-of-supply concept Spectrum Microwave, Inc. |
| 2437669 PIECE 24 | 5/2 Secondary reference U.S. Government activity |
| 4361733 PIECE 22 | 5/2 Secondary reference U.S. Government activity |
NSN 5985-00-441-9608 is a Coupler,rotary,radio Frequency, manufactured by Spectrum Microwave, Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-441-9608 has 1 manufacturer part number on file: 305WAA (Spectrum Microwave, Inc.).
Key specifications for 305WAA: Overall Diameter: 1.250 INCHES NOMINAL IN; Input Impedance Rating in Ohms: 50.0; Radio Frequency Rating: 12.4 GIGAHERTZ MAXIMUM; Overall Length: 3.250 INCHES NOMINAL IN. 7 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 5985-00-441-9608 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.