PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AT301Attenuator,variable

Probescope Co Inc · NSN 5985-00-916-3166 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-916-3166 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-916-3166. Primary manufacturer part number: AT301.
Features
  • Attenuator,variable — FSC 5985
  • Application Design: TRANSMISSION LINE
  • 4 verified cross-references
  • Primary manufacturer: Probescope Co Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,variable, cataloged under National Stock Number 5985-00-916-3166, 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 Probescope Co Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-916-3166
Primary Part NumberAT301
Item NameAttenuator,variable
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerProbescope Co Inc
StatusACTIVE
Application DesignTRANSMISSION LINE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
6220-00-371-758915A7138 INTERCHANGEABLE
Body
Napco International Llc Dba Napco International Inc
8455-01-528-9508 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-664-2333 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-714-6663 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-714-6670 INTERCHANGEABLE
Insignia,shoulder Sleeve
Cross-Reference Index
Part NumberManufacturer
AT301 Probescope Co Inc (USA)
AT301-A1440 Probescope Co Inc (USA)
A1440 Probescope Co Inc (USA)
C1440 Probescope Co Inc (USA)
Related Parts
6220-00-371-7589INTERCHANGEABLE
BODY
15A7138
8455-01-528-9508INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-664-2333INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-714-6663INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-714-6670INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE

Frequently Asked Questions

What is NSN 5985-00-916-3166?

NSN 5985-00-916-3166 is a Attenuator,variable, manufactured by Probescope Co Inc, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-916-3166?

NSN 5985-00-916-3166 has 4 cross-referenced part numbers: AT301 (Probescope Co Inc), AT301-A1440 (Probescope Co Inc), A1440 (Probescope Co Inc), C1440 (Probescope Co Inc).

What NSN replaces 5985-00-916-3166?

There are 5 known substitutes for 5985-00-916-3166: 6220-00-371-7589, 8455-01-528-9508, 8455-01-664-2333 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AT301?

Key specifications for AT301: Application Design: TRANSMISSION LINE. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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