PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S1630-80370Tube Assembly,metal

Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp · NSN 4710-00-562-4973 · FSC 4710 · No Item Name Available
Verified by PartsTable
NSN 4710-00-562-4973 — this item is cataloged by the U.S. Government under National Stock Number 4710-00-562-4973. Primary manufacturer part number: S1630-80370.
Features
  • Tube Assembly,metal — FSC 4710
  • Bolt Hole Quantity: 4 SINGLE END
  • Bolt Hole Diameter: 0.187 INCHES NOMINAL SINGLE END IN
  • Connection Special Design: BULKHEAD SINGLE END
  • Material: STEEL CORROSION RESISTING SINGLE END
  • End Connection Spec/std: MIL-S-6721,PART NO. 1560CH34-347-5 FSCM81996
  • Tube Outside Diameter: 1.500 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING TUBING
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Corrosion Resisting Single End construction
General Description

The Tube Assembly,metal, cataloged under National Stock Number 4710-00-562-4973, 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 Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN4710-00-562-4973
Primary Part NumberS1630-80370
Item NameTube Assembly,metal
FSC / FSG4710 / 47 — No Item Name Available
ManufacturerSikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
StatusACTIVE
Bolt Hole Quantity4 SINGLE END
Bolt Hole Diameter0.187 INCHES NOMINAL SINGLE END IN
Connection Special DesignBULKHEAD SINGLE END
MaterialSTEEL CORROSION RESISTING SINGLE END
End Connection Spec/stdMIL-S-6721,PART NO. 1560CH34-347-5 FSCM81996
Tube Outside Diameter1.500 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING TUBING
Design FormSTRAIGHT
Wall Thickness0.035 INCHES NOMINAL IN
Mating End Quantity1 SINGLE END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
9540-00-006-8448 INTERCHANGEABLE
Beam,structural
Cross-Reference Index
Part NumberManufacturer
1560CH34-347-1 Us Army Aviation and Missile Command (USA)
LS4973 Lyons Mfg Co Inc Wichita Facility (USA)
S1630-80370 PRIMARY Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA)
Related Parts
9540-00-006-8448INTERCHANGEABLE
BEAM,STRUCTURAL

Frequently Asked Questions

What is NSN 4710-00-562-4973?

NSN 4710-00-562-4973 is a Tube Assembly,metal, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 4710 (No Item Name Available). Status: active.

What are the part numbers for NSN 4710-00-562-4973?

NSN 4710-00-562-4973 has 3 cross-referenced part numbers: 1560CH34-347-1 (Us Army Aviation and Missile Command), LS4973 (Lyons Mfg Co Inc Wichita Facility), S1630-80370 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).

What NSN replaces 4710-00-562-4973?

There is 1 known substitute for 4710-00-562-4973: 9540-00-006-8448. Verify interchangeability with system specifications before substitution.

What are the specifications of S1630-80370?

Key specifications for S1630-80370: Bolt Hole Quantity: 4 SINGLE END; Bolt Hole Diameter: 0.187 INCHES NOMINAL SINGLE END IN; Connection Special Design: BULKHEAD SINGLE END; Material: STEEL CORROSION RESISTING SINGLE END. 11 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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