PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1903-BAttenuator,variable

Telephonics Corp/prd Instruments · NSN 5985-01-033-0594 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-033-0594 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-033-0594. Primary manufacturer part number: 1903-B.
Features
  • Attenuator,variable — FSC 5985
  • Shaft Type: ROUND, FLATTED
  • Application Design: TRANSMISSION LINE
  • Attenuation Variation Method: CONTINUOUS
  • Terminal Type and Quantity: 2 CONNECTOR, COAXIAL, MALE
  • Adjustment Device Type and Quantity: 1 SHAFT
  • Body Style: COAXIAL TYPE
  • 4 verified cross-references
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,variable, cataloged under National Stock Number 5985-01-033-0594, 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 Telephonics Corp/prd Instruments. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-033-0594
Primary Part Number1903-B
Item NameAttenuator,variable
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerTelephonics Corp/prd Instruments
StatusACTIVE
Shaft TypeROUND, FLATTED
Application DesignTRANSMISSION LINE
Attenuation Variation MethodCONTINUOUS
Terminal Type and Quantity2 CONNECTOR, COAXIAL, MALE
Adjustment Device Type and Quantity1 SHAFT
Body StyleCOAXIAL TYPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
1680-00-348-406536384 INTERCHANGEABLE
Bracket,actuator Sw
Honeywell International Inc. Div Aerospace - Torrance
5940-00-782-8942 INTERCHANGEABLE
Terminal,feedthru
5342-01-126-766636384 INTERCHANGEABLE
Mount,engine
Williams International Co., L.l.c.
6680-01-432-786336384 INTERCHANGEABLE
Indicator,sight,liquid
Wilshire Corp
Cross-Reference Index
Part NumberManufacturer
36384 Peraton Inc (USA)
36384 Telephonics Corp/prd Instruments (USA)
1903-B PRIMARY Telephonics Corp/prd Instruments (USA)
1903-B Peraton Inc (USA)
Related Parts
1680-00-348-4065INTERCHANGEABLE
BRACKET,ACTUATOR SW
36384
5940-00-782-8942INTERCHANGEABLE
TERMINAL,FEEDTHRU
5342-01-126-7666INTERCHANGEABLE
MOUNT,ENGINE
36384
6680-01-432-7863INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
36384

Frequently Asked Questions

What is NSN 5985-01-033-0594?

NSN 5985-01-033-0594 is a Attenuator,variable, manufactured by Telephonics Corp/prd Instruments, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-033-0594?

NSN 5985-01-033-0594 has 4 cross-referenced part numbers: 36384 (Peraton Inc), 36384 (Telephonics Corp/prd Instruments), 1903-B (Telephonics Corp/prd Instruments), 1903-B (Peraton Inc).

What NSN replaces 5985-01-033-0594?

There are 4 known substitutes for 5985-01-033-0594: 1680-00-348-4065, 5940-00-782-8942, 5342-01-126-7666 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1903-B?

Key specifications for 1903-B: Shaft Type: ROUND, FLATTED; Application Design: TRANSMISSION LINE; Attenuation Variation Method: CONTINUOUS; Terminal Type and Quantity: 2 CONNECTOR, COAXIAL, MALE. 6 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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