PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

34784Expansion Joint,pipe

Hyspan Precision Products, Inc. · NSN 4730-01-290-5108 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-290-5108 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-290-5108. Primary manufacturer part number: 34784.
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 4730-01-290-5108, 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
NSN4730-01-290-5108
Primary Part Number34784
Item NameExpansion Joint,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerHyspan Precision Products, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
1680-00-094-3255 INTERCHANGEABLE
Wiper
2940-00-477-97902600075 INTERCHANGEABLE
Elbow Assembly,air
Chrysler Corp Service and Parts Opns
9540-01-073-5148 INTERCHANGEABLE
Angle,structural
Cross-Reference Index
Part NumberManufacturer
34784 Hyspan Precision Products, Inc. Dba Hyspan Precision Products Inc (USA)
34784 PRIMARY Hyspan Precision Products, Inc. (USA)
34784REVA Hyspan Precision Products, Inc. Dba Hyspan Precision Products Inc (USA)
34784REVA Hyspan Precision Products, Inc. (USA)
Related Parts
1680-00-094-3255INTERCHANGEABLE
WIPER
2940-00-477-9790INTERCHANGEABLE
ELBOW ASSEMBLY,AIR
2600075
9540-01-073-5148INTERCHANGEABLE
ANGLE,STRUCTURAL

Frequently Asked Questions

What is NSN 4730-01-290-5108?

NSN 4730-01-290-5108 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 4730-01-290-5108?

NSN 4730-01-290-5108 has 4 cross-referenced part numbers: 34784 (Hyspan Precision Products, Inc. Dba Hyspan Precision Products Inc), 34784 (Hyspan Precision Products, Inc.), 34784REVA (Hyspan Precision Products, Inc. Dba Hyspan Precision Products Inc), 34784REVA (Hyspan Precision Products, Inc.).

What NSN replaces 4730-01-290-5108?

There are 3 known substitutes for 4730-01-290-5108: 1680-00-094-3255, 2940-00-477-9790, 9540-01-073-5148. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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