PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS22068-2Coupling Assembly,quick Disconne

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 4730-01-237-6231 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-237-6231 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-237-6231. Primary manufacturer part number: MS22068-2.
Features
  • Coupling Assembly,quick Disconne — FSC 4730
  • Seat Angle: 37.0 DEGREES
  • Nominal Outside Diameter Tube Accommodated: 0.312 INCHES FIRST FLUID END CONNECTION IN
  • Nominal Thread Size: 0.500 INCHES FIRST FLUID END CONNECTION IN
  • Connection Type: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
  • Thread Class: 3A FIRST FLUID END CONNECTION A
  • Quick Disconnect Method: TWIST-LOCK ALL ENDS
  • Style Designator: COUPLING ASSEMBLY
Applications
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Coupling Assembly,quick Disconne, cataloged under National Stock Number 4730-01-237-6231, 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 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-237-6231
Primary Part NumberMS22068-2
Item NameCoupling Assembly,quick Disconne
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Seat Angle37.0 DEGREES
Nominal Outside Diameter Tube Accommodated0.312 INCHES FIRST FLUID END CONNECTION IN
Nominal Thread Size0.500 INCHES FIRST FLUID END CONNECTION IN
Connection TypeTHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
Thread Class3A FIRST FLUID END CONNECTION A
Quick Disconnect MethodTWIST-LOCK ALL ENDS
Style DesignatorCOUPLING ASSEMBLY
Leg Length0.550 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING OVERALL
Connection StyleFLARED FIRST FLUID END CONNECTION
Thread Series DesignatorUNIFIED NATIONAL JOINT FINE (UNJF) FIRST FLUID END CONNECTION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4730-00-010-5297 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-630-0310 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-755-7237 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-918-5701 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-928-6818 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-550-0056 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-572-0645 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-572-0646 INTERCHANGEABLE
Coupling Half,quick Disconnect
Cross-Reference Index
Part NumberManufacturer
MS22068-2 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MIL-C-21049 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4730-00-010-5297INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-630-0310INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-755-7237INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-918-5701INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-928-6818INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-550-0056INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-572-0645INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-572-0646INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT

Frequently Asked Questions

What is NSN 4730-01-237-6231?

NSN 4730-01-237-6231 is a Coupling Assembly,quick Disconne, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-237-6231?

NSN 4730-01-237-6231 has 2 cross-referenced part numbers: MS22068-2 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MIL-C-21049 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4730-01-237-6231?

There are 8 known substitutes for 4730-01-237-6231: 4730-00-010-5297, 4730-00-630-0310, 4730-00-755-7237 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS22068-2?

Key specifications for MS22068-2: Seat Angle: 37.0 DEGREES; Nominal Outside Diameter Tube Accommodated: 0.312 INCHES FIRST FLUID END CONNECTION IN; Special Features: FIRST END BULKHEAD; Nominal Thread Size: 0.500 INCHES FIRST FLUID END CONNECTION IN. 13 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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