PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5100-S2-10BCoupling Half,self-Sealing

Danfoss Power Solutions II, Llc · NSN 4730-00-541-0551 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-541-0551 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-541-0551. Primary manufacturer part number: 5100-S2-10B.
Features
  • Coupling Half,self-Sealing — FSC 4730
  • Features Provided: SELF-SEALING
  • Thread Series Designator: NPTF ALL ENDS
  • Connection Type: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION
  • Connection Style: PLAIN ALL ENDS
  • Nominal Thread Size: 0.500 INCHES ALL ENDS IN
  • Operating Pressure: 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Style Designator: MALE COUPLING HALF
Applications
  • Applications requiring Copper Alloy Body construction
General Description

The Coupling Half,self-Sealing, cataloged under National Stock Number 4730-00-541-0551, 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 5 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
NSN4730-00-541-0551
Primary Part Number5100-S2-10B
Item NameCoupling Half,self-Sealing
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerDanfoss Power Solutions II, Llc
StatusACTIVE
Features ProvidedSELF-SEALING
Thread Series DesignatorNPTF ALL ENDS
Connection TypeTHREADED INTERNAL PIPE FIRST FLUID END CONNECTION
Connection StylePLAIN ALL ENDS
Nominal Thread Size0.500 INCHES ALL ENDS IN
Operating Pressure1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Style DesignatorMALE COUPLING HALF
MaterialCOPPER ALLOY BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5325-00-143-5280B1498B INTERCHANGEABLE
Ring,retaining
Fairbanks Morse, Llc
Cross-Reference Index
Part NumberManufacturer
6105-08 Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division (USA)
6105-08 Parker-Hannifin Corporation Div Quick Coupling Division (USA)
5101-10B Danfoss Power Solutions II, Llc (USA)
5100-S2-10B PRIMARY Danfoss Power Solutions II, Llc (USA)
ST48D92-10N Lockheed Martin Corp (USA)
Related Parts
5325-00-143-5280INTERCHANGEABLE
RING,RETAINING
B1498B

Frequently Asked Questions

What is NSN 4730-00-541-0551?

NSN 4730-00-541-0551 is a Coupling Half,self-Sealing, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-541-0551?

NSN 4730-00-541-0551 has 5 cross-referenced part numbers: 6105-08 (Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division), 6105-08 (Parker-Hannifin Corporation Div Quick Coupling Division), 5101-10B (Danfoss Power Solutions II, Llc), 5100-S2-10B (Danfoss Power Solutions II, Llc), ST48D92-10N (Lockheed Martin Corp).

What NSN replaces 4730-00-541-0551?

There is 1 known substitute for 4730-00-541-0551: 5325-00-143-5280. Verify interchangeability with system specifications before substitution.

What are the specifications of 5100-S2-10B?

Key specifications for 5100-S2-10B: Features Provided: SELF-SEALING; Thread Series Designator: NPTF ALL ENDS; Connection Type: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION; Connection Style: PLAIN ALL ENDS. 9 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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