PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1023-2AAdapter,straight,flange to Pipe

Metadure Parts & Sales, Inc. · NSN 4730-00-676-4964 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-676-4964 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-676-4964. Primary manufacturer part number: 1023-2A.
Features
  • Adapter,straight,flange to Pipe — FSC 4730
  • Thread Series Designator: NPT FIRST END
  • Material: ALUMINUM OVERALL
  • Center to Center Nominal Distance Between Bolt Holes Along Length: 3.000 INCHES SECOND END IN
  • Nominal Thickness: 0.375 INCHES SECOND END IN
  • Nominal Overall Length: 2.000 INCHES IN
  • Connection Type: THREADED EXTERNAL PIPE FIRST END
  • Connection Type: FLANGE SECOND END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Aluminum Overall construction
General Description

The Adapter,straight,flange to Pipe, cataloged under National Stock Number 4730-00-676-4964, 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 Metadure Parts & Sales, Inc.. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-676-4964
Primary Part Number1023-2A
Item NameAdapter,straight,flange to Pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMetadure Parts & Sales, Inc.
StatusACTIVE
Thread Series DesignatorNPT FIRST END
MaterialALUMINUM OVERALL
Center to Center Nominal Distance Between Bolt Holes Along Length3.000 INCHES SECOND END IN
Nominal Thickness0.375 INCHES SECOND END IN
Nominal Overall Length2.000 INCHES IN
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Connection TypeFLANGE SECOND END
Center to Center Nominal Distance Between Bolt Holes Along Width3.000 INCHES SECOND END IN
Nominal Length4.000 INCHES SECOND END IN
Bolt Hole Quantity4 SECOND END
Nominal Thread Size2.000 INCHES FIRST END IN
Flange Face DesignPLAIN SECOND END
Flange ShapeRECTANGULAR WITH HOLES SECOND END
Bolt Hole Nominal Diameter0.438 INCHES SECOND END IN
Nominal Width4.000 INCHES SECOND END IN
Connection StylePLAIN (PIPE) FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5330-00-238-7852 INTERCHANGEABLE
Gasket
6685-00-634-9233 INTERCHANGEABLE
Gage,pressure,dial Indicating
Cross-Reference Index
Part NumberManufacturer
1023-2A Metadure Parts & Sales, Inc. (USA)
Related Parts
5330-00-238-7852INTERCHANGEABLE
GASKET
6685-00-634-9233INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING

Frequently Asked Questions

What is NSN 4730-00-676-4964?

NSN 4730-00-676-4964 is a Adapter,straight,flange to Pipe, manufactured by Metadure Parts & Sales, Inc., classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-676-4964?

NSN 4730-00-676-4964 has 1 cross-referenced part number: 1023-2A (Metadure Parts & Sales, Inc.).

What NSN replaces 4730-00-676-4964?

There are 2 known substitutes for 4730-00-676-4964: 5330-00-238-7852, 6685-00-634-9233. Verify interchangeability with system specifications before substitution.

What are the specifications of 1023-2A?

Key specifications for 1023-2A: Thread Series Designator: NPT FIRST END; Material: ALUMINUM OVERALL; Center to Center Nominal Distance Between Bolt Holes Along Length: 3.000 INCHES SECOND END IN; Nominal Thickness: 0.375 INCHES SECOND END IN. 16 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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