PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10100BAttenuator,fixed

Keysight Technologies Inc · NSN 5985-00-758-0138 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-758-0138 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-758-0138. Primary manufacturer part number: 10100B.
Features
  • Attenuator,fixed — FSC 5985
  • Output Impedance Rating in Ohms: 100.0
  • Mounting Method: CONNECTOR
  • Overall Diameter: 0.531 INCHES NOMINAL IN
  • Connection Type Per Function: FEMALE OUTPUT AND MALE INPUT
  • Terminal Type and Quantity: 2 CONNECTOR
  • Coaxial Connector Series Designation: BNC
  • Input Impedance Rating in Ohms: 100.0
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-00-758-0138, is classified within Federal Supply Class 5985 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Keysight Technologies Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-758-0138
Primary Part Number10100B
Item NameAttenuator,fixed
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerKeysight Technologies Inc
StatusACTIVE
Output Impedance Rating in Ohms100.0
Mounting MethodCONNECTOR
Overall Diameter0.531 INCHES NOMINAL IN
Connection Type Per FunctionFEMALE OUTPUT AND MALE INPUT
Terminal Type and Quantity2 CONNECTOR
Coaxial Connector Series DesignationBNC
Input Impedance Rating in Ohms100.0
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Application DesignTRANSMISSION LINE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5340-00-513-594518115 INTERCHANGEABLE
Clamp,instrument Mounting
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
Cross-Reference Index
Part NumberManufacturer
10100B Hewlett-Packard Company Dba HP (USA)
10100B PRIMARY Keysight Technologies Inc (USA)
10100B Keysight Technologies, Inc. (USA)
Related Parts
5340-00-513-5945INTERCHANGEABLE
CLAMP,INSTRUMENT MOUNTING
18115

Frequently Asked Questions

What is NSN 5985-00-758-0138?

NSN 5985-00-758-0138 is a Attenuator,fixed, manufactured by Keysight Technologies Inc, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-758-0138?

NSN 5985-00-758-0138 has 3 cross-referenced part numbers: 10100B (Hewlett-Packard Company Dba HP), 10100B (Keysight Technologies Inc), 10100B (Keysight Technologies, Inc.).

What NSN replaces 5985-00-758-0138?

There is 1 known substitute for 5985-00-758-0138: 5340-00-513-5945. Verify interchangeability with system specifications before substitution.

What are the specifications of 10100B?

Key specifications for 10100B: Overall Length: 2.562 INCHES NOMINAL IN; Output Impedance Rating in Ohms: 100.0; Mounting Method: CONNECTOR; Overall Diameter: 0.531 INCHES NOMINAL IN. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com