PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3670320-1Tube Assembly,metal

Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix · NSN 4710-01-377-4320 · FSC 4710 · No Item Name Available
Verified by PartsTable
NSN 4710-01-377-4320 — this item is cataloged by the U.S. Government under National Stock Number 4710-01-377-4320. Primary manufacturer part number: 3670320-1.
Features
  • Tube Assembly,metal — FSC 4710
  • Tube Outside Diameter: 0.312 INCHES NOMINAL IN
  • Material: STEEL COMP 304 TUBING
  • Nominal Thread Size: 0.500 INCHES SINGLE END IN
  • Design Form: PREBENT
  • Seat Angle in Deg: 37.0 SINGLE END
  • Thread Series Designator: UNF SINGLE END
  • Material Document and Classification: MIL-T-8504, COMP 304 MIL SPEC SINGLE MATERIAL RESPONSE TUBING
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Comp 304 Tubing construction
General Description

The Tube Assembly,metal, cataloged under National Stock Number 4710-01-377-4320, is classified within Federal Supply Class 4710 (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 - Phoenix. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN4710-01-377-4320
Primary Part Number3670320-1
Item NameTube Assembly,metal
FSC / FSG4710 / 47 — No Item Name Available
ManufacturerHoneywell International Inc. Dba Honeywell International Div Aerospace - Phoenix
StatusACTIVE
Tube Outside Diameter0.312 INCHES NOMINAL IN
MaterialSTEEL COMP 304 TUBING
Nominal Thread Size0.500 INCHES SINGLE END IN
Design FormPREBENT
Seat Angle in Deg37.0 SINGLE END
Thread Series DesignatorUNF SINGLE END
Material Document and ClassificationMIL-T-8504, COMP 304 MIL SPEC SINGLE MATERIAL RESPONSE TUBING
End Connection StyleSWIVEL NUT WITH LOOSE OR INTEGRAL CLINCH SLEEVE SINGLE END
Mating End Quantity2 SINGLE END
Thread DirectionRIGHT-HAND SINGLE END
Thread Class2B SINGLE END
Wall Thickness0.065 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4820-01-383-5033 INTERCHANGEABLE
Parts Kit,valve
Cross-Reference Index
Part NumberManufacturer
3670320-1 PRIMARY Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA)
3670320 Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA)
Related Parts
4820-01-383-5033INTERCHANGEABLE
PARTS KIT,VALVE

Frequently Asked Questions

What is NSN 4710-01-377-4320?

NSN 4710-01-377-4320 is a Tube Assembly,metal, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix, classified under FSC 4710 (No Item Name Available). Status: active.

What are the part numbers for NSN 4710-01-377-4320?

NSN 4710-01-377-4320 has 2 cross-referenced part numbers: 3670320-1 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix), 3670320 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix).

What NSN replaces 4710-01-377-4320?

There is 1 known substitute for 4710-01-377-4320: 4820-01-383-5033. Verify interchangeability with system specifications before substitution.

What are the specifications of 3670320-1?

Key specifications for 3670320-1: Special Features: SLEEVE PART NUMBER IS,MS51533B5S; Tube Outside Diameter: 0.312 INCHES NOMINAL IN; Material: STEEL COMP 304 TUBING; Nominal Thread Size: 0.500 INCHES SINGLE END IN. 14 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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