PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS51823-3PNut,tube Coupling

Dana Corp Weatherhead Div · NSN 4730-00-800-8150 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-800-8150 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-800-8150. Primary manufacturer part number: MS51823-3P.
Features
  • Nut,tube Coupling — FSC 4730
  • Thread Direction: RIGHT-HAND
  • Thread Series: UNF
  • Length to Shoulder: 0.537 INCHES NOMINAL IN
  • Surface Treatment Document and Classification: MIL-P-16232 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Nondefinitive Spec/std Data: 31 FIGURE
  • Material: STEEL COMP 12L14 OR STEEL COMP 1010 OVERALL
  • Specification/standard Data: 96906-MS51823 GOVERNMENT STANDARD AND 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Fluid conveyance
  • Hydraulic system plumbing
General Description

The Nut,tube Coupling, cataloged under National Stock Number 4730-00-800-8150, 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 Dana Corp Weatherhead Div. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-800-8150
Primary Part NumberMS51823-3P
Item NameNut,tube Coupling
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerDana Corp Weatherhead Div
StatusCANCELLED
Thread DirectionRIGHT-HAND
Thread SeriesUNF
Length to Shoulder0.537 INCHES NOMINAL IN
Surface Treatment Document and ClassificationMIL-P-16232 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Nondefinitive Spec/std Data31 FIGURE
MaterialSTEEL COMP 12L14 OR STEEL COMP 1010 OVERALL
Specification/standard Data96906-MS51823 GOVERNMENT STANDARD AND 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentPHOSPHATE OVERALL
Nominal Thread Size0.438 INCHES IN
Width Across Flats0.563 INCHES NOMINAL IN
Thread Class2B
Nut Height0.703 INCHES NOMINAL IN
Nominal Tube Outside Diameter0.250 INCHES IN
Thread Quantity Per Inch20
Fabrication MethodMACHINED
Seat Angle45.00 DEGREES NOMINAL
Smallest Inside Diameter0.255 INCHES NOMINAL IN
Nut StyleTUBE COUPLING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
2910-01-011-403136687 INTERCHANGEABLE
Pump,fuel,metering and Distribut
Perkins Engines Inc
4820-01-228-7837710-5-4 INTERCHANGEABLE
Stem,fluid Valve
Flowserve Corporation Div Flowserve Us Inc
5935-01-422-8540RP2610-08 INTERCHANGEABLE
Backshell,electrical Connector
Fmh Aerospace Corp.
5331-01-465-938271054 INTERCHANGEABLE
O-Ring
T. F. Hudgins, Incorporated Dba Spinner II Products Div
5310-01-567-828471054 INTERCHANGEABLE
Washer,lock
Fastenal Company Div Flpan
Cross-Reference Index
Part NumberManufacturer
MS51823-3P Dana Corp Weatherhead Div (USA)
13207E4674-3 Cecom Lr Center (USA)
7105X4 Dana Corp Weatherhead Div (USA)
4-080110C-PHOS Society of Automotive Engineers Inc (USA)
NUT-1209 Worthington Compressors Inc Air Power and Construction Equip Div (USA)
20704687 Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales (AUS)
4BUS Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
4BUS Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA)
J514 Society of Automotive Engineers Inc (USA)
J514 Sae International Dba Sae International (USA)
MIL-F-18866 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
4-080110C (PHOSPHATE) Society of Automotive Engineers Inc (USA)
MIL-DTL-18866 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS51823-3P Danfoss Power Solutions II, Llc (USA)
7105-4 Dana Corp Weatherhead Div (USA)
MS51823-3P Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS51823-3P Imperial (USA)
4-080110C-PHOS Sae International Dba Sae International (USA)
Related Parts
2910-01-011-4031INTERCHANGEABLE
PUMP,FUEL,METERING AND DISTRIBUT
36687
4820-01-228-7837INTERCHANGEABLE
STEM,FLUID VALVE
710-5-4
5935-01-422-8540INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
RP2610-08
5331-01-465-9382INTERCHANGEABLE
O-RING
71054
5310-01-567-8284INTERCHANGEABLE
WASHER,LOCK
71054

Frequently Asked Questions

What is NSN 4730-00-800-8150?

NSN 4730-00-800-8150 is a Nut,tube Coupling, manufactured by Dana Corp Weatherhead Div, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-800-8150?

NSN 4730-00-800-8150 has 18 cross-referenced part numbers: MS51823-3P (Dana Corp Weatherhead Div), 13207E4674-3 (Cecom Lr Center), 7105X4 (Dana Corp Weatherhead Div), 4-080110C-PHOS (Society of Automotive Engineers Inc), NUT-1209 (Worthington Compressors Inc Air Power and Construction Equip Div) and 13 more.

What NSN replaces 4730-00-800-8150?

There are 5 known substitutes for 4730-00-800-8150: 2910-01-011-4031, 4820-01-228-7837, 5935-01-422-8540 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS51823-3P?

Key specifications for MS51823-3P: Thread Direction: RIGHT-HAND; Thread Series: UNF; Length to Shoulder: 0.537 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-P-16232 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-800-8150 still in active supply?

NSN 4730-00-800-8150 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.
PartsTable Design LLC · partstable.com