PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

43776Expansion Joint,pipe

Hyspan Precision Products, Inc. · NSN 4730-01-386-0589 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-386-0589 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-386-0589. Primary manufacturer part number: 43776.
Features
  • Expansion Joint,pipe — FSC 4730
  • Nominal Pipe Size Designation: 24.000 INCHES IN
  • End Connection Type: FLANGED
  • Design Type: DIAPHRAGM
  • Joint Type: SINGLE
  • Material: STEEL CORROSION RESISTING FLANGE
  • 2 verified cross-references
  • Primary manufacturer: Hyspan Precision Products, Inc.
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Corrosion Resisting Flange construction
General Description

The Expansion Joint,pipe, cataloged under National Stock Number 4730-01-386-0589, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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.

Technical Specifications
ParameterValue
NSN4730-01-386-0589
Primary Part Number43776
Item NameExpansion Joint,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerHyspan Precision Products, Inc.
StatusACTIVE
Nominal Pipe Size Designation24.000 INCHES IN
End Connection TypeFLANGED
Design TypeDIAPHRAGM
Joint TypeSINGLE
MaterialSTEEL CORROSION RESISTING FLANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5950-00-442-1199149060-01 INTERCHANGEABLE
Transformer,power
Ge Aviation Systems Llc
5999-00-761-8703H25 INTERCHANGEABLE
Heater,thermal Release
Siemens Energy and Automation Inc Siemens Furnas Controls Div
2990-01-241-167243776 INTERCHANGEABLE
Pipe,exhaust
Walker Mfg Co
Cross-Reference Index
Part NumberManufacturer
43776 Hyspan Precision Products, Inc. Dba Hyspan Precision Products Inc (USA)
43776 PRIMARY Hyspan Precision Products, Inc. (USA)
Related Parts
5950-00-442-1199INTERCHANGEABLE
TRANSFORMER,POWER
149060-01
5999-00-761-8703INTERCHANGEABLE
HEATER,THERMAL RELEASE
H25
2990-01-241-1672INTERCHANGEABLE
PIPE,EXHAUST
43776

Frequently Asked Questions

What is NSN 4730-01-386-0589?

NSN 4730-01-386-0589 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 4730-01-386-0589?

NSN 4730-01-386-0589 has 2 cross-referenced part numbers: 43776 (Hyspan Precision Products, Inc. Dba Hyspan Precision Products Inc), 43776 (Hyspan Precision Products, Inc.).

What NSN replaces 4730-01-386-0589?

There are 3 known substitutes for 4730-01-386-0589: 5950-00-442-1199, 5999-00-761-8703, 2990-01-241-1672. Verify interchangeability with system specifications before substitution.

What are the specifications of 43776?

Key specifications for 43776: Overall Length: 28.000 INCHES NOMINAL IN; Nominal Pipe Size Designation: 24.000 INCHES IN; Special Features: SINGLE EXPANSION JOINT, FIXED FLANGE; MEDIA, DIESEL EXHAUST; End Connection Type: FLANGED. 8 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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