PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

664491Adapter Assembly,ve

Thermo Jarrell Ash Corp Baird Div · NSN 2590-01-257-6549 · FSC 2590 · No Item Name Available
Verified by PartsTable
NSN 2590-01-257-6549 — this item is cataloged by the U.S. Government under National Stock Number 2590-01-257-6549. Primary manufacturer part number: 664491.
Features
  • Adapter Assembly,ve — FSC 2590
  • 1 verified cross-reference
  • Primary manufacturer: Thermo Jarrell Ash Corp Baird Div
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Adapter Assembly,ve, cataloged under National Stock Number 2590-01-257-6549, is classified within Federal Supply Class 2590 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Thermo Jarrell Ash Corp Baird Div. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameAdapter Assembly,ve
FSC / FSG2590 — No Item Name Available (FSG 25)
ManufacturersThermo Jarrell Ash Corp Baird Div (CAGE 05234)
Technical Specifications
ParameterValue
NSN2590-01-257-6549
Primary Part Number664491
Item NameAdapter Assembly,ve
FSC / FSG2590 / 25 — No Item Name Available
ManufacturerThermo Jarrell Ash Corp Baird Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6680-00-111-1088664491 INTERCHANGEABLE
Sight Glass
L3harris Mas Inc Div L3harris Mas Inc.
4820-01-009-9223 INTERCHANGEABLE
Valve,bleed
Cross-Reference Index
Part NumberManufacturer
664491 PRIMARY Thermo Jarrell Ash Corp Baird Div (USA)
Related Parts
6680-00-111-1088INTERCHANGEABLE
SIGHT GLASS
664491
4820-01-009-9223INTERCHANGEABLE
VALVE,BLEED

Frequently Asked Questions

What is NSN 2590-01-257-6549?

NSN 2590-01-257-6549 is a Adapter Assembly,ve, manufactured by Thermo Jarrell Ash Corp Baird Div, classified under FSC 2590 (No Item Name Available). Status: active.

What are the part numbers for NSN 2590-01-257-6549?

NSN 2590-01-257-6549 has 1 cross-referenced part number: 664491 (Thermo Jarrell Ash Corp Baird Div).

What NSN replaces 2590-01-257-6549?

There are 2 known substitutes for 2590-01-257-6549: 6680-00-111-1088, 4820-01-009-9223. Verify interchangeability with system specifications before substitution.

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