PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S718Plug,expansion

Cummins Inc. · NSN 5340-00-050-1554 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-050-1554 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-050-1554. Primary manufacturer part number: S718.
Features
  • Plug,expansion — FSC 5340
  • Material Thickness: 0.065 INCHES NOMINAL IN
  • Style Designator: CONCAVE
  • Material: COPPER ALLOY
  • Radius: 0.938 INCHES NOMINAL IN
  • Outside Diameter: 0.750 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Cummins Inc.
Applications
  • Applications requiring Copper Alloy construction
General Description

The Plug,expansion, cataloged under National Stock Number 5340-00-050-1554, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cummins Inc.. Government technical data includes 5 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5340-00-050-1554
Primary Part NumberS718
Item NamePlug,expansion
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerCummins Inc.
StatusACTIVE
Material Thickness0.065 INCHES NOMINAL IN
Style DesignatorCONCAVE
MaterialCOPPER ALLOY
Radius0.938 INCHES NOMINAL IN
Outside Diameter0.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5331-00-054-6937AMS-P-5516 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5330-00-196-5381 INTERCHANGEABLE
Packing,preformed
5331-00-589-5935 INTERCHANGEABLE
O-Ring
4730-01-573-0314S718 INTERCHANGEABLE
Coupling Half,quick Disconnect
Milton Industries, Inc
Cross-Reference Index
Part NumberManufacturer
S718 PRIMARY Cummins Inc. (USA)
Related Parts
5331-00-054-6937INTERCHANGEABLE
O-RING
AMS-P-5516
5330-00-196-5381INTERCHANGEABLE
PACKING,PREFORMED
5331-00-589-5935INTERCHANGEABLE
O-RING
4730-01-573-0314INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
S718

Frequently Asked Questions

What is NSN 5340-00-050-1554?

NSN 5340-00-050-1554 is a Plug,expansion, manufactured by Cummins Inc., classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-050-1554?

NSN 5340-00-050-1554 has 1 cross-referenced part number: S718 (Cummins Inc.).

What NSN replaces 5340-00-050-1554?

There are 4 known substitutes for 5340-00-050-1554: 5331-00-054-6937, 5330-00-196-5381, 5331-00-589-5935 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S718?

Key specifications for S718: Material Thickness: 0.065 INCHES NOMINAL IN; Style Designator: CONCAVE; Material: COPPER ALLOY; Radius: 0.938 INCHES NOMINAL IN. 5 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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