PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

257562-1Adapter,straight,flange to Tube

Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) · NSN 4730-00-349-1590 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-349-1590 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-349-1590. Primary manufacturer part number: 257562-1.
Features
  • Adapter,straight,flange to Tube — FSC 4730
  • Material: STEEL COMP 304 OVERALL
  • Material Document and Classification: QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Nominal Thickness: 4.010 INCHES ALL ENDS IN
  • Nominal Outside Diameter: 5.621 INCHES ALL ENDS IN
  • 7 verified cross-references
  • Primary manufacturer: Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Comp 304 Overall construction
General Description

The Adapter,straight,flange to Tube, cataloged under National Stock Number 4730-00-349-1590, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 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
NSN4730-00-349-1590
Primary Part Number257562-1
Item NameAdapter,straight,flange to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerHoneywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
StatusACTIVE
MaterialSTEEL COMP 304 OVERALL
Material Document and ClassificationQQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Nominal Thickness4.010 INCHES ALL ENDS IN
Nominal Outside Diameter5.621 INCHES ALL ENDS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5945-01-198-592115086 INTERCHANGEABLE
Solenoid,electrical
Curtiss-Wright Controls Integrated Sensing, Inc.
Cross-Reference Index
Part NumberManufacturer
257563-1 Alliedsignal Inc Dba Allied-Signal Aerospace Co (USA)
257563-1 Honeywell International Inc. Div Aerospace - Torrance (USA)
257562-1 PRIMARY Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA)
257562-1 Alliedsignal Inc Dba Allied-Signal Aerospace Co (USA)
257562-1 Honeywell International Inc. Div Aerospace - Torrance (USA)
257562-1 Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA)
257563-1 Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA)
Related Parts
5945-01-198-5921INTERCHANGEABLE
SOLENOID,ELECTRICAL
15086

Frequently Asked Questions

What is NSN 4730-00-349-1590?

NSN 4730-00-349-1590 is a Adapter,straight,flange to Tube, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-349-1590?

NSN 4730-00-349-1590 has 7 cross-referenced part numbers: 257563-1 (Alliedsignal Inc Dba Allied-Signal Aerospace Co), 257563-1 (Honeywell International Inc. Div Aerospace - Torrance), 257562-1 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)), 257562-1 (Alliedsignal Inc Dba Allied-Signal Aerospace Co), 257562-1 (Honeywell International Inc. Div Aerospace - Torrance) and 2 more.

What NSN replaces 4730-00-349-1590?

There is 1 known substitute for 4730-00-349-1590: 5945-01-198-5921. Verify interchangeability with system specifications before substitution.

What are the specifications of 257562-1?

Key specifications for 257562-1: Material: STEEL COMP 304 OVERALL; Material Document and Classification: QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Nominal Thickness: 4.010 INCHES ALL ENDS IN; Nominal Outside Diameter: 5.621 INCHES ALL ENDS IN. 4 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