PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S718Coupling Half,quick Disconnect

Milton Industries, Inc · NSN 4730-01-573-0314 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-573-0314 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-573-0314. Primary manufacturer part number: S718.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Operating Pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Style Designator: FEMALE COUPLING HALF
  • Material: COPPER ALLOY OVERALL
  • Maximum Operating Temp: 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Quick Disconnect Nominal Size: 0.375 INCHES FIRST QUICK DISCONNECT END IN
  • Thread Series Designator: NPT SECOND FLUID END CONNECTION
  • Nominal Thread Size: 0.375 INCHES SECOND FLUID END CONNECTION IN
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-573-0314, 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 Milton Industries, Inc. Government technical data includes 7 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
NSN4730-01-573-0314
Primary Part NumberS718
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMilton Industries, Inc
StatusACTIVE
Operating Pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Style DesignatorFEMALE COUPLING HALF
MaterialCOPPER ALLOY OVERALL
Maximum Operating Temp250.0 FAHRENHEIT SINGLE RESPONSE DEGF
Quick Disconnect Nominal Size0.375 INCHES FIRST QUICK DISCONNECT END IN
Thread Series DesignatorNPT SECOND FLUID END CONNECTION
Nominal Thread Size0.375 INCHES SECOND FLUID END CONNECTION IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5340-00-050-1554S718 INTERCHANGEABLE
Plug,expansion
Cummins Inc.
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
Cross-Reference Index
Part NumberManufacturer
S718 PRIMARY Milton Industries, Inc (USA)
Related Parts
5340-00-050-1554INTERCHANGEABLE
PLUG,EXPANSION
S718
5331-00-054-6937INTERCHANGEABLE
O-RING
AMS-P-5516
5330-00-196-5381INTERCHANGEABLE
PACKING,PREFORMED
5331-00-589-5935INTERCHANGEABLE
O-RING

Frequently Asked Questions

What is NSN 4730-01-573-0314?

NSN 4730-01-573-0314 is a Coupling Half,quick Disconnect, manufactured by Milton Industries, Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-573-0314?

NSN 4730-01-573-0314 has 1 cross-referenced part number: S718 (Milton Industries, Inc).

What NSN replaces 4730-01-573-0314?

There are 4 known substitutes for 4730-01-573-0314: 5340-00-050-1554, 5331-00-054-6937, 5330-00-196-5381 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S718?

Key specifications for S718: Operating Pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Special Features: USE W/SHOP AIR ONLY; Style Designator: FEMALE COUPLING HALF; Material: COPPER ALLOY OVERALL. 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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