The Attenuator,variable, cataloged under National Stock Number 5985-00-412-6152, 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 21 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-412-6152 |
| Primary Part Number | 2135833-2 |
| 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 |
| Shaft Type | ROUND, SLOTTED |
| Insertion Loss at Minimum Attenuation in Maximum Decibels | 0.2 |
| Waveguide Flange Type | CHOKE |
| Mounting Facility Type and Quantity | 4 TERMINAL WITH MOUNTING HOLES |
| Frequency Range | 10.250 GIGAHERTZ MINIMUM AND 10.500 GIGAHERTZ MAXIMUM |
| Shaft Diameter | 0.451 INCHES NOMINAL IN |
| Body Style | WAVEGUIDE TYPE |
| Mounting Facility Pattern | FOUR POSITION RECTANGULAR |
| Adjustment Device Type and Quantity | 1 SHAFT |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 0.640 INCHES NOMINAL IN |
| Overall Attenuation Range in Decibels | +0.0 TO 20.0 |
| Voltage Standing Wave Ratio | 1.20 |
| Waveguide Flange Designation | UG-136B/U |
| Unthreaded Mounting Hole Diameter | 0.169 INCHES NOMINAL IN |
| Attenuation Variation Method | CONTINUOUS |
| Shaft Length | 1.093 INCHES NOMINAL IN |
| Operating Temp Range | -30.0 TO 70.0 CELSIUS DEGC |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 0.640 INCHES NOMINAL IN |
| Application Design | WAVEGUIDE |
| Terminal Type and Quantity | 2 FLANGE |
| Power Rating | 100.0 MILLIWATTS PEAK |
| 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 |
|---|---|
| 1024117-2 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 2135833-002 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 2135833-2 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 1024117-002 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
NSN 5985-00-412-6152 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 5985-00-412-6152 has 4 manufacturer part numbers on file: 1024117-2 (Lockheed Martin Corporation Div Rms - Mitchel Field), 2135833-002 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 2135833-2 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 1024117-002 (Lockheed Martin Corporation Div Rms - Mitchel Field).
Key specifications for 2135833-2: Shaft Type: ROUND, SLOTTED; Insertion Loss at Minimum Attenuation in Maximum Decibels: 0.2; Waveguide Flange Type: CHOKE; Mounting Facility Type and Quantity: 4 TERMINAL WITH MOUNTING HOLES. 21 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 5985-00-412-6152 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.