PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50479Expansion Joint,pipe

Hyspan Precision Products, Inc. · NSN 4730-01-433-2558 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-433-2558 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-433-2558. Primary manufacturer part number: 50479.
Features
  • Expansion Joint,pipe — FSC 4730
  • Bolt Hole Quantity: 16
  • Joint Type: DOUBLE
  • End Connection Type: FLANGED
  • Material: STEEL FLANGE
  • 4 verified cross-references
  • Primary manufacturer: Hyspan Precision Products, Inc.
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Flange construction
General Description

The Expansion Joint,pipe, cataloged under National Stock Number 4730-01-433-2558, 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 Hyspan Precision Products, Inc.. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-433-2558
Primary Part Number50479
Item NameExpansion Joint,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerHyspan Precision Products, Inc.
StatusACTIVE
Bolt Hole Quantity16
Joint TypeDOUBLE
End Connection TypeFLANGED
MaterialSTEEL FLANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5905-00-552-2447 INTERCHANGEABLE
Resistor,fixed,film
5330-00-568-787951X831 INTERCHANGEABLE
Seal,plain Encased
Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
4320-01-236-7196 INTERCHANGEABLE
Pump,rotary
5950-01-246-2833SM-B-939701-4 INTERCHANGEABLE
Coil,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5325-01-297-887172192 INTERCHANGEABLE
Ring,retaining
Paccar Winch Inc Dba Paccar Winch Division
2090-01-432-105050-00479 INTERCHANGEABLE
Ladder,debarkation
Steelstran Industries, Inc. Dba A.l. Don Company Div a. L. Don Co.
5340-01-616-086950479 INTERCHANGEABLE
Cup,suction
Aerovironment, Inc.
Cross-Reference Index
Part NumberManufacturer
50479 PRIMARY Hyspan Precision Products, Inc. (USA)
50479 REV C Hyspan Precision Products, Inc. Dba Hyspan Precision Products Inc (USA)
50479REVA Hyspan Precision Products, Inc. Dba Hyspan Precision Products Inc (USA)
50479 Hyspan Precision Products, Inc. Dba Hyspan Precision Products Inc (USA)
Related Parts
5905-00-552-2447INTERCHANGEABLE
RESISTOR,FIXED,FILM
5330-00-568-7879INTERCHANGEABLE
SEAL,PLAIN ENCASED
51X831
4320-01-236-7196INTERCHANGEABLE
PUMP,ROTARY
5950-01-246-2833INTERCHANGEABLE
COIL,ELECTRICAL
SM-B-939701-4
5325-01-297-8871INTERCHANGEABLE
RING,RETAINING
72192
2090-01-432-1050INTERCHANGEABLE
LADDER,DEBARKATION
50-00479
5340-01-616-0869INTERCHANGEABLE
CUP,SUCTION
50479

Frequently Asked Questions

What is NSN 4730-01-433-2558?

NSN 4730-01-433-2558 is a Expansion Joint,pipe, manufactured by Hyspan Precision Products, Inc., classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-433-2558?

NSN 4730-01-433-2558 has 4 cross-referenced part numbers: 50479 (Hyspan Precision Products, Inc.), 50479 REV C (Hyspan Precision Products, Inc. Dba Hyspan Precision Products Inc), 50479REVA (Hyspan Precision Products, Inc. Dba Hyspan Precision Products Inc), 50479 (Hyspan Precision Products, Inc. Dba Hyspan Precision Products Inc).

What NSN replaces 4730-01-433-2558?

There are 7 known substitutes for 4730-01-433-2558: 5905-00-552-2447, 5330-00-568-7879, 4320-01-236-7196 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50479?

Key specifications for 50479: Bolt Hole Quantity: 16; Overall Length: 28.000 INCHES NOMINAL IN; Joint Type: DOUBLE; End Connection Type: FLANGED. 6 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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