PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50251Expansion Joint,pipe

Hyspan Precision Products, Inc. · NSN 4730-01-432-3873 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-432-3873 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-432-3873. Primary manufacturer part number: 50251.
Features
  • Expansion Joint,pipe — FSC 4730
  • 4 verified cross-references
  • Primary manufacturer: Hyspan Precision Products, Inc.
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Expansion Joint,pipe, cataloged under National Stock Number 4730-01-432-3873, 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.. This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameExpansion Joint,pipe
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersHyspan Precision Products, Inc. Dba Hyspan Precision Products Inc (CAGE 30009); Hyspan Precision Products, Inc. (CAGE 70510)
Technical Specifications
ParameterValue
NSN4730-01-432-3873
Primary Part Number50251
Item NameExpansion Joint,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerHyspan Precision Products, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3110-00-100-0630A4138 INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
6685-00-542-140623-2 1-2 1-8-0-300PS1 INTERCHANGEABLE
Gage,pressure,dial Indicating
Liftec Inc Div Liftec, Inc.
5940-01-046-9709002-1320-000 INTERCHANGEABLE
Terminal,lug
Te Connectivity Corporation Dba Microdot Products
Cross-Reference Index
Part NumberManufacturer
50251 Hyspan Precision Products, Inc. Dba Hyspan Precision Products Inc (USA)
50251REVB Hyspan Precision Products, Inc. (USA)
50251 PRIMARY Hyspan Precision Products, Inc. (USA)
50251REVB Hyspan Precision Products, Inc. Dba Hyspan Precision Products Inc (USA)
Related Parts
3110-00-100-0630INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
A4138
6685-00-542-1406INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
23-2 1-2 1-8-0-300PS1
5940-01-046-9709INTERCHANGEABLE
TERMINAL,LUG
002-1320-000

Frequently Asked Questions

What is NSN 4730-01-432-3873?

NSN 4730-01-432-3873 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 4730-01-432-3873?

NSN 4730-01-432-3873 has 4 cross-referenced part numbers: 50251 (Hyspan Precision Products, Inc. Dba Hyspan Precision Products Inc), 50251REVB (Hyspan Precision Products, Inc.), 50251 (Hyspan Precision Products, Inc.), 50251REVB (Hyspan Precision Products, Inc. Dba Hyspan Precision Products Inc).

What NSN replaces 4730-01-432-3873?

There are 3 known substitutes for 4730-01-432-3873: 3110-00-100-0630, 6685-00-542-1406, 5940-01-046-9709. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com