The Attenuator,fixed, cataloged under National Stock Number 5985-01-476-0647, 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 13 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-476-0647 |
| Primary Part Number | 357299-11 |
| 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 |
| Frequency Range | 0.000 HERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM |
| Body Style | ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE |
| Overall Diameter | 0.360 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Voltage Standing Wave Ratio | 1.15 AND 1.30 |
| Input Impedance Rating in Ohms | 50.0 |
| Rf Signal Attenuation in Decibels | 12.0 |
| Connection Type Per Function | FEMALE OUTPUT AND MALE INPUT |
| Operating Temp Range | -40.0 TO 95.0 CELSIUS DEGC |
| Application Design | TRANSMISSION LINE |
| Material | STEEL CORROSION RESISTING BODY |
| Terminal Type and Quantity | 2 CONNECTOR |
| Output Impedance Rating in Ohms | 50.0 |
| Coaxial Connector Series Designation | SMA |
| 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 |
|---|---|
| 357299-11 PRIMARY | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA) |
| Reference | Meaning |
|---|---|
| A751CS | 5/9 Secondary reference Caes Systems Llc |
| 4778-12 | 5/9 Secondary reference U.S. Government activity |
| 357299 | D/9 Drawing number reference only L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products |
| SF0930-6216-12 | 5/2 Secondary reference U.S. Government activity |
NSN 5985-01-476-0647 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 5985-01-476-0647 has 1 manufacturer part number on file: 357299-11 (L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products).
Key specifications for 357299-11: Frequency Range: 0.000 HERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM; Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE; Overall Diameter: 0.360 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN; Voltage Standing Wave Ratio: 1.15 AND 1.30. 13 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.