PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50481Expansion Joint,pipe

Hyspan Precision Products, Inc. · NSN 4730-01-432-0219 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-432-0219 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-432-0219. Primary manufacturer part number: 50481.
Features
  • Expansion Joint,pipe — FSC 4730
  • Joint Type: SINGLE
  • End Connection Type: FLANGED
  • Nominal Pipe Size Designation: 18.100 INCHES IN
  • Design Type: SPOOL
  • Traverse Maximum Length: 1.210 INCHES IN
  • Working Pressure Rating: 1.000 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
  • Material: STEEL FLANGE
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 4730-01-432-0219, 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 7 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-432-0219
Primary Part Number50481
Item NameExpansion Joint,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerHyspan Precision Products, Inc.
StatusACTIVE
Joint TypeSINGLE
End Connection TypeFLANGED
Nominal Pipe Size Designation18.100 INCHES IN
Design TypeSPOOL
Traverse Maximum Length1.210 INCHES IN
Working Pressure Rating1.000 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
MaterialSTEEL FLANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3010-00-239-3164 INTERCHANGEABLE
Gearcase-Motor
5935-00-441-50395048-1 INTERCHANGEABLE
Adapter,connector
Microwave Devices Inc
2815-01-228-022550481 INTERCHANGEABLE
Rotor Set
Paccar Winch Inc Dba Paccar Winch Division
5330-01-380-2745 INTERCHANGEABLE
Retainer,packing
5330-01-386-735050481 INTERCHANGEABLE
Gasket
Imi Cornelius Inc.
Cross-Reference Index
Part NumberManufacturer
50481 PRIMARY Hyspan Precision Products, Inc. (USA)
50481REVA Hyspan Precision Products, Inc. (USA)
50481REVA Hyspan Precision Products, Inc. Dba Hyspan Precision Products Inc (USA)
50481 Hyspan Precision Products, Inc. Dba Hyspan Precision Products Inc (USA)
Related Parts
3010-00-239-3164INTERCHANGEABLE
GEARCASE-MOTOR
5935-00-441-5039INTERCHANGEABLE
ADAPTER,CONNECTOR
5048-1
2815-01-228-0225INTERCHANGEABLE
ROTOR SET
50481
5330-01-380-2745INTERCHANGEABLE
RETAINER,PACKING
5330-01-386-7350INTERCHANGEABLE
GASKET
50481

Frequently Asked Questions

What is NSN 4730-01-432-0219?

NSN 4730-01-432-0219 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 4730-01-432-0219?

NSN 4730-01-432-0219 has 4 cross-referenced part numbers: 50481 (Hyspan Precision Products, Inc.), 50481REVA (Hyspan Precision Products, Inc.), 50481REVA (Hyspan Precision Products, Inc. Dba Hyspan Precision Products Inc), 50481 (Hyspan Precision Products, Inc. Dba Hyspan Precision Products Inc).

What NSN replaces 4730-01-432-0219?

There are 5 known substitutes for 4730-01-432-0219: 3010-00-239-3164, 5935-00-441-5039, 2815-01-228-0225 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50481?

Key specifications for 50481: Overall Length: 30.000 INCHES NOMINAL IN; End Item Identification: MILITARY SEALIFT COMMAND (MSC) EQUIP.; Joint Type: SINGLE; End Connection Type: FLANGED. 9 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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