The Attenuator,variable, cataloged under National Stock Number 5985-00-321-6544, 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 Raytheon Company Div Corp. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-321-6544 |
| Primary Part Number | 738-211AALT2 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Raytheon Company Div Corp |
| Status | ACTIVE |
| Overall Diameter | 2.000 INCHES NOMINAL IN |
| Attenuation Per Step in Decibels | 5.0 |
| 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 |
|---|---|
| 738-211AALT2 | Raytheon Company Div Corp (USA) |
| Reference | Meaning |
|---|---|
| 738-211AALT2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-00-321-6544 is a Attenuator,variable, manufactured by Raytheon Company Div Corp, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-321-6544 has 1 manufacturer part number on file: 738-211AALT2 (Raytheon Company Div Corp).
Key specifications for 738-211AALT2: Overall Diameter: 2.000 INCHES NOMINAL IN; Attenuation Per Step in Decibels: 5.0; Special Features: SECTION QTY-1,RESISTANCE TOLERANCE-PORM 10 PCT,TERMINAL QTY-2,TERMINAL STYLE-WIRE LEAD,O/A DEPTH 0.69 IN,IMPEDANCE RATING-96.7 KOHMS,RESISTOR ELEMENT TYPE-COMPOSITION,MTG CONFIGURATION-ONE 3/8-32 THD BUSHING 3/8 IN. LG FROM FRONT,FREQ RANGE-0/2 KHZ,TERMINAL LOCATION-SIDE,STEP QTY-11,DECK QTY-1,ATTENUATION RANGE-0 TO INFINITY,OPEN STEP INCLUDED,DETENT ACTION PROVIDED KHz; End Item Identification: MODEL QCS. 2 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.