PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31991Absorber,overvoltage

Trio Laboratories Inc · NSN 5920-01-340-2639 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-01-340-2639 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-340-2639. Primary manufacturer part number: 31991.
Features
  • Absorber,overvoltage — FSC 5920
  • 1 verified cross-reference
  • Primary manufacturer: Trio Laboratories Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Absorber,overvoltage, cataloged under National Stock Number 5920-01-340-2639, is classified within Federal Supply Class 5920 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Trio Laboratories Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameAbsorber,overvoltage
FSC / FSG5920 — No Item Name Available (FSG 59)
ManufacturersTrio Laboratories Inc (CAGE 00638)
Technical Specifications
ParameterValue
NSN5920-01-340-2639
Primary Part Number31991
Item NameAbsorber,overvoltage
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerTrio Laboratories Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2915-00-289-3943633858-4 INTERCHANGEABLE
Valve,fuel,drain
Lockheed Martin Corp
7025-01-341-1134 INTERCHANGEABLE
Display Unit
2090-01-508-043731991 INTERCHANGEABLE
Motor,windshield Wiper,electric
Ongaro Marine Ltd
Cross-Reference Index
Part NumberManufacturer
31991 Trio Laboratories Inc (USA)
Related Parts
2915-00-289-3943INTERCHANGEABLE
VALVE,FUEL,DRAIN
633858-4
7025-01-341-1134INTERCHANGEABLE
DISPLAY UNIT
2090-01-508-0437INTERCHANGEABLE
MOTOR,WINDSHIELD WIPER,ELECTRIC
31991

Frequently Asked Questions

What is NSN 5920-01-340-2639?

NSN 5920-01-340-2639 is a Absorber,overvoltage, manufactured by Trio Laboratories Inc, classified under FSC 5920 (No Item Name Available). Status: active.

What are the part numbers for NSN 5920-01-340-2639?

NSN 5920-01-340-2639 has 1 cross-referenced part number: 31991 (Trio Laboratories Inc).

What NSN replaces 5920-01-340-2639?

There are 3 known substitutes for 5920-01-340-2639: 2915-00-289-3943, 7025-01-341-1134, 2090-01-508-0437. Verify interchangeability with system specifications before substitution.

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