PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5400-S5-8Coupling Half,self-Sealing

Danfoss Power Solutions II, Llc · NSN 4730-01-179-5471 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-179-5471 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-179-5471. Primary manufacturer part number: 5400-S5-8.
Features
  • Coupling Half,self-Sealing — FSC 4730
  • Material: STEEL BODY
  • Operating Pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Nominal Thread Size: 0.562 INCHES ALL ENDS IN
  • Thread Class: 2B ALL ENDS
  • Connection Style: BOSS GASKET SEAL ALL ENDS
  • Connection Type: THREADED INTERNAL BOSS FIRST FLUID END CONNECTION
  • Thread Series Designator: UNF ALL ENDS
Applications
  • Applications requiring Steel Body construction
General Description

The Coupling Half,self-Sealing, cataloged under National Stock Number 4730-01-179-5471, 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 Danfoss Power Solutions II, Llc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-01-179-5471
Primary Part Number5400-S5-8
Item NameCoupling Half,self-Sealing
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerDanfoss Power Solutions II, Llc
StatusCANCELLED
MaterialSTEEL BODY
Operating Pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Thread Size0.562 INCHES ALL ENDS IN
Thread Class2B ALL ENDS
Connection StyleBOSS GASKET SEAL ALL ENDS
Connection TypeTHREADED INTERNAL BOSS FIRST FLUID END CONNECTION
Thread Series DesignatorUNF ALL ENDS
Style DesignatorMALE COUPLING HALF
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-051-4676 INTERCHANGEABLE
Coupling Half,self-Sealing
6930-00-346-7188267057 INTERCHANGEABLE
Accelermeter
Cae Usa Inc.
4730-00-477-5072A16447 INTERCHANGEABLE
Cap,tube
Mueller Brass Co.
4730-00-613-98625400S5-8 INTERCHANGEABLE
Coupling Half,self-Sealing
Danfoss Power Solutions II, Llc
4730-01-157-7963 INTERCHANGEABLE
Adapter,straight,tube to Boss
4730-01-157-7964202220-4-4S INTERCHANGEABLE
Adapter,straight,tube to Boss
Danfoss Power Solutions II, Llc
4730-01-175-1135 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-175-5443 INTERCHANGEABLE
Adapter,straight,tube to Boss
4730-01-175-7075202220-16-16S INTERCHANGEABLE
Adapter,straight,tube to Boss
Danfoss Power Solutions II, Llc
4730-01-175-7076 INTERCHANGEABLE
Adapter,straight,tube to Boss
Cross-Reference Index
Part NumberManufacturer
5400-S5-8 Danfoss Power Solutions II, Llc (USA)
845-2445071ITEM5 Naval Ship Systems Command (USA)
2670-57 Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
845-1889863 PC 102 Naval Ship Systems Command (USA)
503-4556027 Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
2620-219X1 PC102 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
2670-57 ITEM 5 Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
5400-S5-8 Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
Related Parts
4730-00-051-4676INTERCHANGEABLE
COUPLING HALF,SELF-SEALING
6930-00-346-7188INTERCHANGEABLE
ACCELERMETER
267057
4730-00-477-5072INTERCHANGEABLE
CAP,TUBE
A16447
4730-00-613-9862INTERCHANGEABLE
COUPLING HALF,SELF-SEALING
5400S5-8
4730-01-157-7963INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO BOSS
4730-01-157-7964INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO BOSS
202220-4-4S
4730-01-175-1135INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-175-5443INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO BOSS
4730-01-175-7075INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO BOSS
202220-16-16S
4730-01-175-7076INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO BOSS
4730-01-175-7082INTERCHANGEABLE
COUPLING HALF,SELF-SEALING
4730-01-176-6732INTERCHANGEABLE
NUT,TUBE COUPLING,REDUCING

Frequently Asked Questions

What is NSN 4730-01-179-5471?

NSN 4730-01-179-5471 is a Coupling Half,self-Sealing, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-01-179-5471?

NSN 4730-01-179-5471 has 8 cross-referenced part numbers: 5400-S5-8 (Danfoss Power Solutions II, Llc), 845-2445071ITEM5 (Naval Ship Systems Command), 2670-57 (Huntington Ingalls Inc Div Newport News Shipbuilding), 845-1889863 PC 102 (Naval Ship Systems Command), 503-4556027 (Huntington Ingalls Inc Div Newport News Shipbuilding) and 3 more.

What NSN replaces 4730-01-179-5471?

There are 12 known substitutes for 4730-01-179-5471: 4730-00-051-4676, 6930-00-346-7188, 4730-00-477-5072 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5400-S5-8?

Key specifications for 5400-S5-8: Material: STEEL BODY; Operating Pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Nominal Thread Size: 0.562 INCHES ALL ENDS IN; Thread Class: 2B ALL ENDS. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-01-179-5471 still in active supply?

NSN 4730-01-179-5471 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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