The Attenuator,fixed, cataloged under National Stock Number 5985-01-349-8553, 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 Smiths Interconnect Americas, Inc.. Government technical data includes 12 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-349-8553 |
| Primary Part Number | 419376-102 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Smiths Interconnect Americas, Inc. |
| Status | ACTIVE |
| Frequency Range | 0.000 HERTZ MINIMUM AND 12.000 GIGAHERTZ MAXIMUM |
| Body Style | RECTANGULAR TERMINAL/TERMINALS ON THREE SURFACES |
| Voltage Standing Wave Ratio | 1.30 |
| Input Impedance Rating in Ohms | 50.0 |
| Rf Signal Attenuation in Decibels | 4.0 |
| Criticality Code Justification | FEAT |
| Attenuation Accuracy in Decibels | -0.50 TO 0.50 |
| Operating Temp Range | -55.0 TO 125.0 CELSIUS DEGC |
| Voltage Standing Wave Ratio Frequency Range | +0.0 TO 1.0 GIGAHERTZ |
| Application Design | TRANSMISSION LINE |
| Power Rating | 1.25 WATTS AVERAGE |
| Output Impedance Rating in Ohms | 50.0 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 419376-102 PRIMARY | Smiths Interconnect Americas, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 1000445000 | 5/9 Secondary reference Smiths Interconnect Americas, Inc. |
| 419376-102 | 7/2 Vendor item drawing reference L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products |
| 419376-102 | 5/9 Secondary reference Caes Systems Llc |
| TSO304S | 5/9 Secondary reference Smiths Interconnect Americas, Inc. |
| 6004695004 | 5/9 Secondary reference Smiths Interconnect Americas, Inc. |
NSN 5985-01-349-8553 is a Attenuator,fixed, manufactured by Smiths Interconnect Americas, Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-349-8553 has 1 manufacturer part number on file: 419376-102 (Smiths Interconnect Americas, Inc.).
Key specifications for 419376-102: Overall Height: 0.030 INCHES MAXIMUM IN; Frequency Range: 0.000 HERTZ MINIMUM AND 12.000 GIGAHERTZ MAXIMUM; Body Style: RECTANGULAR TERMINAL/TERMINALS ON THREE SURFACES; Voltage Standing Wave Ratio: 1.30. 12 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 5985-01-349-8553 has DEMIL Code Q. 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.