PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

633BA2X4ALReducer,quick Disconnect

Pride Cast Metals, Inc. · NSN 4730-01-186-0821 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-186-0821 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-186-0821. Primary manufacturer part number: 633BA2X4AL.
Features
  • Reducer,quick Disconnect — FSC 4730
  • Quick Disconnect Method: CAM-LOCKING ALL ENDS
  • Quick Disconnect Nominal Size: 2.000 INCHES SECOND QUICK DISCONNECT END IN
  • Connection Type: EXTERNAL QUICK DISCONNECT
  • Quick Disconnect Nominal Size: 4.000 INCHES FIRST QUICK DISCONNECT END IN
  • Surface Treatment: ANODIZE BODY
  • Material: ALUMINUM ALLOY BODY
  • Furnished Items and Quantity: 1 GASKET
Applications
  • Applications requiring Aluminum Alloy Body construction
General Description

The Reducer,quick Disconnect, cataloged under National Stock Number 4730-01-186-0821, 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 Pride Cast Metals, Inc.. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-186-0821
Primary Part Number633BA2X4AL
Item NameReducer,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerPride Cast Metals, Inc.
StatusACTIVE
Quick Disconnect MethodCAM-LOCKING ALL ENDS
Quick Disconnect Nominal Size2.000 INCHES SECOND QUICK DISCONNECT END IN
Connection TypeEXTERNAL QUICK DISCONNECT
Quick Disconnect Nominal Size4.000 INCHES FIRST QUICK DISCONNECT END IN
Surface TreatmentANODIZE BODY
MaterialALUMINUM ALLOY BODY
Furnished Items and Quantity1 GASKET
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Surface Treatment Document and ClassificationMIL-A-8625, TYPE 2, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE BODY
Material Document and ClassificationQQ-A-601, T6 FED SPEC 1ST MATERIAL RESPONSE AND QQ-A-601, T5 FED SPEC 2ND MATERIAL RESPONSE BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-068-0393 INTERCHANGEABLE
Reducer,quick Disconnect
4730-00-889-2381 INTERCHANGEABLE
Reducer,quick Disconnect
4730-00-889-2382 INTERCHANGEABLE
Reducer,quick Disconnect
4730-00-951-3293 INTERCHANGEABLE
Reducer,quick Disconnect
4730-00-951-3294 INTERCHANGEABLE
Reducer,quick Disconnect
4730-00-951-3295 INTERCHANGEABLE
Reducer,quick Disconnect
4730-00-951-3296 INTERCHANGEABLE
Reducer,quick Disconnect
4730-00-951-3297 INTERCHANGEABLE
Reducer,quick Disconnect
4730-00-951-3298 INTERCHANGEABLE
Reducer,quick Disconnect
4730-01-064-0560 INTERCHANGEABLE
Reducer,quick Disconnect
Cross-Reference Index
Part NumberManufacturer
633BA2X4AL Pride Cast Metals, Inc. (USA)
2040-DA-AL Dvcc, Llc (USA)
633BA2X4AL Dover Resources Inc Dba Opw Engineered Systems (USA)
A-A-59326/12 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
MS49000-19 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AA59326/12-10-A-2 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
633BA2X4AL Opw Fueling Components Inc. Div Opw Fueling Components (USA)
Related Parts
4730-00-068-0393INTERCHANGEABLE
REDUCER,QUICK DISCONNECT
4730-00-889-2381INTERCHANGEABLE
REDUCER,QUICK DISCONNECT
4730-00-889-2382INTERCHANGEABLE
REDUCER,QUICK DISCONNECT
4730-00-951-3293INTERCHANGEABLE
REDUCER,QUICK DISCONNECT
4730-00-951-3294INTERCHANGEABLE
REDUCER,QUICK DISCONNECT
4730-00-951-3295INTERCHANGEABLE
REDUCER,QUICK DISCONNECT
4730-00-951-3296INTERCHANGEABLE
REDUCER,QUICK DISCONNECT
4730-00-951-3297INTERCHANGEABLE
REDUCER,QUICK DISCONNECT
4730-00-951-3298INTERCHANGEABLE
REDUCER,QUICK DISCONNECT
4730-01-064-0560INTERCHANGEABLE
REDUCER,QUICK DISCONNECT
4730-01-079-8234INTERCHANGEABLE
REDUCER,QUICK DISCONNECT
4730-01-432-4746INTERCHANGEABLE
REDUCER,QUICK DISCONNECT

Frequently Asked Questions

What is NSN 4730-01-186-0821?

NSN 4730-01-186-0821 is a Reducer,quick Disconnect, manufactured by Pride Cast Metals, Inc., classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-186-0821?

NSN 4730-01-186-0821 has 7 cross-referenced part numbers: 633BA2X4AL (Pride Cast Metals, Inc.), 2040-DA-AL (Dvcc, Llc), 633BA2X4AL (Dover Resources Inc Dba Opw Engineered Systems), A-A-59326/12 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), MS49000-19 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 2 more.

What NSN replaces 4730-01-186-0821?

There are 12 known substitutes for 4730-01-186-0821: 4730-00-068-0393, 4730-00-889-2381, 4730-00-889-2382 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 633BA2X4AL?

Key specifications for 633BA2X4AL: Quick Disconnect Method: CAM-LOCKING ALL ENDS; Quick Disconnect Nominal Size: 2.000 INCHES SECOND QUICK DISCONNECT END IN; Connection Type: EXTERNAL QUICK DISCONNECT; Quick Disconnect Nominal Size: 4.000 INCHES FIRST QUICK DISCONNECT END IN. 11 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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