The Attenuator,fixed, cataloged under National Stock Number 5985-00-256-1326, 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 L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products. Government technical data includes 19 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-256-1326 |
| Primary Part Number | 228923-3 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products |
| Status | ACTIVE |
| FSC Application Data | RADAR ANTENNA SUPPORT SET AND RADOMES,EXCEPT SPECIALLY DESIGNED |
| Frequency Range | 0.000 KILOHERTZ MINIMUM AND 12.000 KILOHERTZ MAXIMUM |
| Body Style | ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE |
| Overall Diameter | 0.750 INCHES NOMINAL IN |
| Precious Material | SILVER |
| Voltage Standing Wave Ratio | 1.10 AND 1.15 AND 1.20 |
| Input Impedance Rating in Ohms | 50.0 |
| Mounting Method | CONNECTOR |
| Precious Material and Weight | 0.010 SILVER GRAINS, TROY |
| Surface Treatment | SILVER BODY |
| Precious Material and Location | CONTACTS SILVER AND EXTERNAL SURFACES SILVER |
| Operating Temp Range | -54.0 TO 125.0 CELSIUS DEGC |
| Voltage Standing Wave Ratio Frequency Range | +0.0 TO 6.0 KILOHERTZ AND +6.0 TO 10.0 KILOHERTZ AND +10.0 TO 12.0 KILOHERTZ |
| Application Design | TRANSMISSION LINE |
| Material | COPPER ALLOY BODY |
| Power Rating | 2.0 WATTS AVERAGE |
| Terminal Type and Quantity | 1 CONNECTOR |
| Output Impedance Rating in Ohms | 50.0 |
| Coaxial Connector Series Designation | N |
| 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 |
|---|---|
| 228923-3 PRIMARY | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA) |
| Reference | Meaning |
|---|---|
| 67-001-90428B | 5/2 Secondary reference U.S. Government activity |
| T104CS | C/1 Advisory reference — outside the item-of-supply concept Caes Systems Llc |
NSN 5985-00-256-1326 is a Attenuator,fixed, manufactured by L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-256-1326 has 1 manufacturer part number on file: 228923-3 (L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products).
Key specifications for 228923-3: FSC Application Data: RADAR ANTENNA SUPPORT SET AND RADOMES,EXCEPT SPECIALLY DESIGNED; Frequency Range: 0.000 KILOHERTZ MINIMUM AND 12.000 KILOHERTZ MAXIMUM; Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE; Overall Diameter: 0.750 INCHES NOMINAL IN. 19 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.