The Attenuator,variable, cataloged under National Stock Number 5985-00-238-8709, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 9 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. 2 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 | 5985-00-238-8709 |
| Primary Part Number | 2660621 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| FSC Application Data | RADAR SET,FIRE CONTROL,NONAIRBORNE |
| Body Style | COAXIAL TYPE |
| Adjustment Device Type and Quantity | 1 KNOB W/DIAL |
| Overall Attenuation Range in Decibels | +0.0 TO 20.0 |
| Segment Attenuation Range in Decibels | +0.00 TO 5.00 |
| Attenuation Variation Method | CONTINUOUS |
| Application Design | TRANSMISSION LINE |
| Terminal Type and Quantity | 2 CONNECTOR, COAXIAL, FEMALE |
| Coaxial Connector Series Designation | N |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5985-00-238-8709 is a Attenuator,variable, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-238-8709 has 2 manufacturer part numbers on file: 2660621 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 560859 (Lockheed Martin Corporation Div Rms - Mitchel Field).
2 possible matches (shared part number, not a government interchangeability claim): 5985-00-945-4696, 5962-01-038-4561. Verify interchangeability with system specifications before substitution.
Key specifications for 2660621: Overall Height: 5.062 INCHES NOMINAL IN; FSC Application Data: RADAR SET,FIRE CONTROL,NONAIRBORNE; Body Style: COAXIAL TYPE; Adjustment Device Type and Quantity: 1 KNOB W/DIAL. 9 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 5985-00-238-8709 has DEMIL Code B. 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.