PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

633-E-3IN-ALCoupling Half,quick Disconnect

Opw Fueling Components Inc. Div Opw Fueling Components · NSN 4730-00-873-4535 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-873-4535 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-873-4535. Primary manufacturer part number: 633-E-3IN-AL.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Connection Type: EXTERNAL QUICK DISCONNECT ALL ENDS
  • Surface Treatment: ANODIZE BODY
  • Features Provided: SELF-SEALING
  • Connection Type: UNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION
  • Leg Length: 4.000 INCHES MINIMUM AND 4.250 INCHES MAXIMUM IN
  • Material: ALUMINUM ALLOY BODY
  • Connection Style: BARBED OR SERRATED END ALL ENDS
Applications
  • Applications requiring Aluminum Alloy Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-873-4535, 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 Opw Fueling Components Inc. Div Opw Fueling Components. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 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: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-873-4535
Primary Part Number633-E-3IN-AL
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerOpw Fueling Components Inc. Div Opw Fueling Components
StatusCANCELLED
Connection TypeEXTERNAL QUICK DISCONNECT ALL ENDS
Surface TreatmentANODIZE BODY
Features ProvidedSELF-SEALING
Connection TypeUNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION
Leg Length4.000 INCHES MINIMUM AND 4.250 INCHES MAXIMUM IN
MaterialALUMINUM ALLOY BODY
Connection StyleBARBED OR SERRATED END ALL ENDS
Material Document and ClassificationQQ-A-601,T6 FED SPEC 1ST MATERIAL RESPONSE AND QQ-A-601,T5 FED SPEC 2ND MATERIAL RESPONSE BODY
Quick Disconnect MethodCAM-LOCKING ALL ENDS
Surface Treatment Document and ClassificationMIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE BODY
Nominal Inside Diameter Hose Accommodated3.000 INCHES ALL ENDS IN
Quick Disconnect Nominal Size3.594 INCHES ALL ENDS IN
Style DesignatorMALE COUPLING HALF
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-360-0592 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-542-4030 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-649-7388 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-938-7996 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-949-8291 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-079-3305 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-079-5807 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-139-4511 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-164-9254 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-231-2789 INTERCHANGEABLE
Coupling Half,quick Disconnect
Cross-Reference Index
Part NumberManufacturer
633-E-3IN-AL Opw Fueling Components Inc. Div Opw Fueling Components (USA)
300-E-AL Dvcc, Llc (USA)
633E-3AL Dover Resources Inc Dba Opw Engineered Systems (USA)
MS27021-15 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
5593K17 Mcmaster-Carr Supply Co (USA)
633-E-3IN-AL Dover Resources Inc Dba Opw Engineered Systems (USA)
633-E-3 IN Opw Fueling Components Inc. Div Opw Fueling Components (USA)
AA59326/2-8-A Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
633E-3AL Opw Fueling Components Inc. Div Opw Fueling Components (USA)
AA59326/2B-8-A-1 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AA59326/2B-8-A Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A-A-59326/2 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
4730-00-360-0592INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-542-4030INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-649-7388INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-938-7996INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-949-8291INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-079-3305INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-079-5807INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-139-4511INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-164-9254INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-231-2789INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-578-8058INTERCHANGEABLE
COUPLING,HOSE
300-E-AL
4730-01-649-9848INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT

Frequently Asked Questions

What is NSN 4730-00-873-4535?

NSN 4730-00-873-4535 is a Coupling Half,quick Disconnect, manufactured by Opw Fueling Components Inc. Div Opw Fueling Components, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-873-4535?

NSN 4730-00-873-4535 has 12 cross-referenced part numbers: 633-E-3IN-AL (Opw Fueling Components Inc. Div Opw Fueling Components), 300-E-AL (Dvcc, Llc), 633E-3AL (Dover Resources Inc Dba Opw Engineered Systems), MS27021-15 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 5593K17 (Mcmaster-Carr Supply Co) and 7 more.

What NSN replaces 4730-00-873-4535?

There are 12 known substitutes for 4730-00-873-4535: 4730-00-360-0592, 4730-00-542-4030, 4730-00-649-7388 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 633-E-3IN-AL?

Key specifications for 633-E-3IN-AL: Overall Length: 6.500 INCHES MINIMUM AND 6.750 INCHES MAXIMUM IN; Connection Type: EXTERNAL QUICK DISCONNECT ALL ENDS; Surface Treatment: ANODIZE BODY; Features Provided: SELF-SEALING. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-873-4535 still in active supply?

NSN 4730-00-873-4535 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.
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