The Attenuator,variable, cataloged under National Stock Number 5985-01-691-0113, 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 Vicor Corp Dba Vicorpowercom. Government technical data includes 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-691-0113 |
| Primary Part Number | URAM3T21 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Vicor Corp Dba Vicorpowercom |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 6 SLOT |
| Frequency Range | 100.0 HERTZ MINIMUM AND 2.0 MEGAHERTZ MAXIMUM |
| Body Style | IRREGULAR |
| Mounting Facility Pattern | SIX POSITION RECTANGULAR |
| Adjustment Device Type and Quantity | 1 ELECTRONIC, VOLTAGE CONTROLLED |
| Overall Attenuation Range in Decibels | +0.0 TO 40.0 |
| Attenuation Variation Method | CONTINUOUS |
| Distance Between Mounting Facility Centers | 0.650 INCHES NOMINAL IN |
| Body Material | ALUMINUM |
| Mounting Facility Nominal Screw Thread Diameter | 0.129 INCHES IN |
| Operating Temp Range | -40.0 TO 100.0 CELSIUS DEGC |
| Application Design | PRINTED CIRCUIT BOARD |
| Terminal Type and Quantity | 7 PIN |
| Power Rating | 7.5 WATTS AVERAGE |
| Mounting Slot Width | 0.129 INCHES NOMINAL IN |
| 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 |
|---|---|
| URAM3T21 PRIMARY | Vicor Corp Dba Vicorpowercom (USA) |
NSN 5985-01-691-0113 is a Attenuator,variable, manufactured by Vicor Corp Dba Vicorpowercom, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-691-0113 has 1 manufacturer part number on file: URAM3T21 (Vicor Corp Dba Vicorpowercom).
Key specifications for URAM3T21: Mounting Facility Type and Quantity: 6 SLOT; Overall Height: 0.630 INCHES NOMINAL IN; Frequency Range: 100.0 HERTZ MINIMUM AND 2.0 MEGAHERTZ MAXIMUM; Body Style: IRREGULAR. 15 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.
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.