PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

633-A-4IN-ALCoupling Half,quick Disconnect

Opw Fueling Components Inc. Div Opw Fueling Components · NSN 4730-00-517-6827 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-517-6827 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-517-6827. Primary manufacturer part number: 633-A-4IN-AL.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Specification/standard Data: 96906-MS27020 GOVERNMENT STANDARD
  • Connection Style: PLAIN ALL ENDS
  • Nominal Thread Size: 4.000 INCHES ALL ENDS IN
  • Thread Series Designator: NPT ALL ENDS
  • Connection Type: EXTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END
  • Material: COPPER ALLOY BODY
  • Leg Length: 1.109 INCHES MINIMUM AND 1.350 INCHES MAXIMUM IN
Applications
  • Applications requiring Copper Alloy Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-517-6827, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 5 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
NSN4730-00-517-6827
Primary Part Number633-A-4IN-AL
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerOpw Fueling Components Inc. Div Opw Fueling Components
StatusACTIVE
Specification/standard Data96906-MS27020 GOVERNMENT STANDARD
Connection StylePLAIN ALL ENDS
Nominal Thread Size4.000 INCHES ALL ENDS IN
Thread Series DesignatorNPT ALL ENDS
Connection TypeEXTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END
MaterialCOPPER ALLOY BODY
Leg Length1.109 INCHES MINIMUM AND 1.350 INCHES MAXIMUM IN
Quick Disconnect MethodCAM-LOCKING ALL ENDS
Quick Disconnect Nominal Size4.250 INCHES ALL ENDS IN
Style DesignatorMALE COUPLING HALF
Connection TypeTHREADED INTERNAL PIPE FIRST FLUID END CONNECTION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-079-1362 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-079-1364 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-141-3195 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-516-4450 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-840-0796 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-948-1719 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-007-5981 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-020-4762 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-020-7204 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-021-6346 INTERCHANGEABLE
Coupling Half,quick Disconnect
Cross-Reference Index
Part NumberManufacturer
633-A-4IN-AL Opw Fueling Components Inc. Div Opw Fueling Components (USA)
633A-4AL Opw Fueling Components Inc. Div Opw Fueling Components (USA)
633A-4IN Opw Fueling Components Inc. Div Opw Fueling Components (USA)
A-A-59326 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A-A-59326/1 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
MS27020-18 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
633-A-4IN-AL Dover Resources Inc Dba Opw Engineered Systems (USA)
AA59326/1-9-B Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AA59326/1A-9-B Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
400-A-BR Dvcc, Llc (USA)
633A-4AL Dover Resources Inc Dba Opw Engineered Systems (USA)
Related Parts
4730-00-079-1362INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-079-1364INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-141-3195INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-516-4450INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-840-0796INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-948-1719INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-007-5981INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-020-4762INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-020-7204INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-021-6346INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-073-5852INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-135-5587INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT

Frequently Asked Questions

What is NSN 4730-00-517-6827?

NSN 4730-00-517-6827 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: active.

What are the part numbers for NSN 4730-00-517-6827?

NSN 4730-00-517-6827 has 11 cross-referenced part numbers: 633-A-4IN-AL (Opw Fueling Components Inc. Div Opw Fueling Components), 633A-4AL (Opw Fueling Components Inc. Div Opw Fueling Components), 633A-4IN (Opw Fueling Components Inc. Div Opw Fueling Components), A-A-59326 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A-A-59326/1 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC) and 6 more.

What NSN replaces 4730-00-517-6827?

There are 12 known substitutes for 4730-00-517-6827: 4730-00-079-1362, 4730-00-079-1364, 4730-00-141-3195 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 633-A-4IN-AL?

Key specifications for 633-A-4IN-AL: Specification/standard Data: 96906-MS27020 GOVERNMENT STANDARD; Connection Style: PLAIN ALL ENDS; Nominal Thread Size: 4.000 INCHES ALL ENDS IN; Thread Series Designator: NPT ALL ENDS. 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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