The Attenuator,fixed, cataloged under National Stock Number 5985-01-254-2190, 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 25 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-254-2190 |
| Primary Part Number | 8708855001 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Smiths Interconnect Americas, Inc. |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Frequency Range | 0.000 HERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM |
| Body Style | RECTANGULAR, TERMINAL/TERMINALS ON OPPOSITE SURFACES |
| Precious Material | GOLD |
| Voltage Standing Wave Ratio | 1.10 AND 1.15 AND 1.20 AND 1.70 |
| Input Impedance Rating in Ohms | 50.0 |
| Mounting Method | CONNECTOR |
| Rf Signal Attenuation in Decibels | 1.0 |
| Criticality Code Justification | FEAT |
| Attenuation Accuracy in Decibels | -0.20 TO 0.20 |
| Material Document and Classification | QQ-C-530 FED SPEC SINGLE MATERIAL RESPONSE TERMINAL |
| Surface Treatment | PASSIVATE BODY |
| Surface Treatment | GOLD TERMINAL |
| Precious Material and Location | CONTACT SURFACES GOLD |
| Connection Type Per Function | FEMALE INPUT AND MALE OUTPUT |
| Operating Temp Range | -55.0 TO 150.0 CELSIUS DEGC |
| Voltage Standing Wave Ratio Frequency Range | +0.0 TO 4.0 GIGAHERTZ AND +4.0 TO 8.0 GIGAHERTZ AND +8.0 TO 12.0 GIGAHERTZ AND +12.0 TO 18.0 GIGAHERTZ |
| Application Design | TRANSMISSION LINE |
| Material | STEEL CORROSION RESISTING BODY |
| Material | COPPER ALLOY 172 AND COPPER ALLOY 173 TERMINAL |
| Unpackaged Unit Weight | 6.0 GRAMS G |
| Power Rating | 1.0 WATTS AVERAGE |
| 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 | Y |
| Part Number | Manufacturer |
|---|---|
| 8708855001 | Smiths Interconnect Americas, Inc. (USA) |
| ATT-0290-01-086-02 | Cinch Connectivity Solutions Inc (USA) |
| Reference | Meaning |
|---|---|
| 172245-001 | 3/2 Design control — primary reference U.S. Government activity |
| 5439-1 | 5/2 Secondary reference U.S. Government activity |
| 2082-6340-01 | 5/9 Secondary reference Xma Corporation |
| 2082-6340-01 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-01-254-2190 is a Attenuator,fixed, manufactured by Smiths Interconnect Americas, Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-254-2190 has 2 manufacturer part numbers on file: 8708855001 (Smiths Interconnect Americas, Inc.), ATT-0290-01-086-02 (Cinch Connectivity Solutions Inc).
2 possible matches (shared part number, not a government interchangeability claim): 1560-01-559-0980, 5136-01-728-9776. Verify interchangeability with system specifications before substitution.
Key specifications for 8708855001: Overall Height: 0.312 INCHES NOMINAL IN; FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Frequency Range: 0.000 HERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM; Body Style: RECTANGULAR, TERMINAL/TERMINALS ON OPPOSITE SURFACES. 25 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.