PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

750031Tube Assy,expander

Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company · NSN 1630-00-765-0672 · FSC 1630 · No Item Name Available
Verified by PartsTable
NSN 1630-00-765-0672 — this item is cataloged by the U.S. Government under National Stock Number 1630-00-765-0672. Primary manufacturer part number: 750031.
Features
  • Tube Assy,expander — FSC 1630
  • 1 verified cross-reference
  • Primary manufacturer: Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Tube Assy,expander, cataloged under National Stock Number 1630-00-765-0672, is classified within Federal Supply Class 1630 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameTube Assy,expander
FSC / FSG1630 — No Item Name Available (FSG 16)
ManufacturersPiper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company (CAGE 77294)
Technical Specifications
ParameterValue
NSN1630-00-765-0672
Primary Part Number750031
Item NameTube Assy,expander
FSC / FSG1630 / 16 — No Item Name Available
ManufacturerPiper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5340-00-248-0425750031 INTERCHANGEABLE
Fastener,cylinder,spring Loaded
Stewart-Warner Corporation
5310-00-732-0560 INTERCHANGEABLE
Nut,plain,hexagon
4240-01-449-57047531N95A-12 INTERCHANGEABLE
Respirator,air Filtering
North Safety Products L.l.c. Dba North Safety Products
5975-01-474-8441750-031-16 INTERCHANGEABLE
Conduit,metal,flexible
Glenair, Inc.
Cross-Reference Index
Part NumberManufacturer
750031 PRIMARY Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company (USA)
Related Parts
5340-00-248-0425INTERCHANGEABLE
FASTENER,CYLINDER,SPRING LOADED
750031
5310-00-732-0560INTERCHANGEABLE
NUT,PLAIN,HEXAGON
4240-01-449-5704INTERCHANGEABLE
RESPIRATOR,AIR FILTERING
7531N95A-12
5975-01-474-8441INTERCHANGEABLE
CONDUIT,METAL,FLEXIBLE
750-031-16

Frequently Asked Questions

What is NSN 1630-00-765-0672?

NSN 1630-00-765-0672 is a Tube Assy,expander, manufactured by Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company, classified under FSC 1630 (No Item Name Available). Status: active.

What are the part numbers for NSN 1630-00-765-0672?

NSN 1630-00-765-0672 has 1 cross-referenced part number: 750031 (Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company).

What NSN replaces 1630-00-765-0672?

There are 4 known substitutes for 1630-00-765-0672: 5340-00-248-0425, 5310-00-732-0560, 4240-01-449-5704 and 1 more. Verify interchangeability with system specifications before substitution.

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