The Attenuator,fixed, cataloged under National Stock Number 5985-00-104-8513, 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 Hensoldt Sensors Gmbh Div Seps. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-104-8513 |
| Primary Part Number | 5L 5177.001.07 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Hensoldt Sensors Gmbh Div Seps |
| Status | ACTIVE |
| Frequency Range | 0.000 HERTZ MINIMUM AND 4.000 GIGAHERTZ MAXIMUM |
| Body Style | ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE |
| Overall Diameter | 1.500 INCHES NOMINAL IN |
| Voltage Standing Wave Ratio | 1.10 AND 1.15 |
| Input Impedance Rating in Ohms | 50.0 |
| Mounting Method | TERMINAL |
| Rf Signal Attenuation in Decibels | 10.0 |
| Attenuation Accuracy in Decibels | -0.50 TO 0.50 |
| Connection Type Per Function | FEMALE INPUT AND MALE OUTPUT |
| Operating Temp Range | -54.0 TO 55.0 CELSIUS DEGC |
| Voltage Standing Wave Ratio Frequency Range | +0.0 TO 1.0 GIGAHERTZ AND +1.0 TO 4.0 GIGAHERTZ |
| Application Design | TRANSMISSION LINE |
| Power Rating | 20.0 WATTS AVERAGE |
| Terminal Type and Quantity | 2 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 |
|---|---|
| 5L 5177.001.07 | Hensoldt Sensors Gmbh Div Seps (DEU) |
| 766A-10 | Narda Holdings, Inc. Div Dba Narda-Miteq (USA) |
| MDC1102B-10 | Dal-Tech Devices, Inc. Dba Dal-Tech Devices Inc Div Dal-Tec Devices, Inc (USA) |
| Reference | Meaning |
|---|---|
| 766-10 | 5/9 Secondary reference U.S. Government activity |
| 539071-3 | 3/2 Design control — primary reference U.S. Government activity |
| 8803300010-1 | 5/9 Secondary reference Navcom Defense Electronics, Inc. |
| 766A-10 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-00-104-8513 is a Attenuator,fixed, manufactured by Hensoldt Sensors Gmbh Div Seps, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-104-8513 has 3 manufacturer part numbers on file: 5L 5177.001.07 (Hensoldt Sensors Gmbh Div Seps), 766A-10 (Narda Holdings, Inc. Div Dba Narda-Miteq), MDC1102B-10 (Dal-Tech Devices, Inc. Dba Dal-Tech Devices Inc Div Dal-Tec Devices, Inc).
1 possible match (shared part number, not a government interchangeability claim): 2990-01-319-7476. Verify interchangeability with system specifications before substitution.
Key specifications for 5L 5177.001.07: Frequency Range: 0.000 HERTZ MINIMUM AND 4.000 GIGAHERTZ MAXIMUM; Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE; Overall Diameter: 1.500 INCHES NOMINAL IN; Voltage Standing Wave Ratio: 1.10 AND 1.15. 16 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.