PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6HP31S14Coupling Half,quick Disconnect

Danfoss Power Solutions II, Llc · NSN 4730-00-257-0236 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-257-0236 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-257-0236. Primary manufacturer part number: 6HP31S14.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Connection Type: INTERNAL QUICK DISCONNECT ALL ENDSUNABLE TO DECODE
  • Style Designator: MALE COUPLING HALF
  • Surface Treatment: CADMIUM BODY
  • Connection Type: INTERNAL QUICK DISCONNECT ALL ENDSUNABLE TO DECODE
  • Nominal Thread Size: 0.750 INCHES ALL ENDSUNABLE TO DECODE IN
  • Material: STEEL BODYUNABLE TO DECODE
  • Surface Treatment: CADMIUM BODYUNABLE TO DECODE
Applications
  • Applications requiring Steel Bodyunable to Decode construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-257-0236, 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 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-257-0236
Primary Part Number6HP31S14
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerDanfoss Power Solutions II, Llc
StatusACTIVE
Connection TypeINTERNAL QUICK DISCONNECT ALL ENDSUNABLE TO DECODE
Style DesignatorMALE COUPLING HALF
Surface TreatmentCADMIUM BODY
Connection TypeINTERNAL QUICK DISCONNECT ALL ENDSUNABLE TO DECODE
Nominal Thread Size0.750 INCHES ALL ENDSUNABLE TO DECODE IN
MaterialSTEEL BODYUNABLE TO DECODE
Surface TreatmentCADMIUM BODYUNABLE TO DECODE
Features ProvidedSELF-SEALING
Connection StylePLAIN ALL ENDSUNABLE TO DECODE
Quick Disconnect MethodPUSH-PULL ALL ENDSUNABLE TO DECODE
Thread Series DesignatorNPT ALL ENDS
Connection TypeTHREADED INTERNAL PIPE FIRST FLUID END CONNECTION
Nominal Thread Size0.750 INCHES ALL ENDS IN
Quick Disconnect MethodPUSH-PULL ALL ENDS
Connection StylePLAIN ALL ENDS
Mating End IdentificationARMY ENGINEER RESEARCH AND DEVELOPEMENT LABORATORIES PLUG QUICK DISCONNECT PART NO. 13211E3212
Nominal Pipe Size Accommodated0.750 INCHES ALL ENDS IN
MaterialSTEEL BODY
Thread Series DesignatorNPT ALL ENDSUNABLE TO DECODE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4730-01-164-90196HP31 INTERCHANGEABLE
Coupling Half,quick Disconnect
Tuthill Corp Hansen Coupling Div
Cross-Reference Index
Part NumberManufacturer
13211E3213 Cecom Lr Center (USA)
6H31CSCD Sturgis M B Inc (USA)
6HP31 Tuthill Corp Hansen Coupling Div (USA)
6HP31S14 PRIMARY Danfoss Power Solutions II, Llc (USA)
FD45-1191-12-12 Danfoss Power Solutions II, Llc (USA)
6HP31SCD Tuthill Corp Hansen Coupling Div (USA)
6H31CSCD Tuthill Corp Hansen Coupling Div (USA)
6HP31(S)CD Sturgis M B Inc (USA)
Related Parts
4730-01-164-9019INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
6HP31

Frequently Asked Questions

What is NSN 4730-00-257-0236?

NSN 4730-00-257-0236 is a Coupling Half,quick Disconnect, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-257-0236?

NSN 4730-00-257-0236 has 8 cross-referenced part numbers: 13211E3213 (Cecom Lr Center), 6H31CSCD (Sturgis M B Inc), 6HP31 (Tuthill Corp Hansen Coupling Div), 6HP31S14 (Danfoss Power Solutions II, Llc), FD45-1191-12-12 (Danfoss Power Solutions II, Llc) and 3 more.

What NSN replaces 4730-00-257-0236?

There is 1 known substitute for 4730-00-257-0236: 4730-01-164-9019. Verify interchangeability with system specifications before substitution.

What are the specifications of 6HP31S14?

Key specifications for 6HP31S14: Connection Type: INTERNAL QUICK DISCONNECT ALL ENDSUNABLE TO DECODE; Style Designator: MALE COUPLING HALF; Surface Treatment: CADMIUM BODY; Connection Type: INTERNAL QUICK DISCONNECT ALL ENDSUNABLE TO DECODE. 20 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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