PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

634A-3/4BRPlug,quick Disconnect

Dover Resources Inc Dba Opw Engineered Systems · NSN 4730-01-310-7823 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-310-7823 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-310-7823. Primary manufacturer part number: 634A-3/4BR.
Features
  • Plug,quick Disconnect — FSC 4730
  • Quick Disconnect Method: CAM-LOCKING
  • Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
  • Material Document and Classification: QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE BODY
  • Material: COPPER ALLOY BODY
  • Media for Which Designed: WATER AND OIL AND GAS
  • Quick Disconnect Nominal Size: 0.750 INCHES IN
  • 13 verified cross-references
Applications
  • Applications requiring Copper Alloy Body construction
General Description

The Plug,quick Disconnect, cataloged under National Stock Number 4730-01-310-7823, 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 Dover Resources Inc Dba Opw Engineered Systems. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 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
NSN4730-01-310-7823
Primary Part Number634A-3/4BR
Item NamePlug,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerDover Resources Inc Dba Opw Engineered Systems
StatusACTIVE
Quick Disconnect MethodCAM-LOCKING
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Material Document and ClassificationQQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE BODY
MaterialCOPPER ALLOY BODY
Media for Which DesignedWATER AND OIL AND GAS
Quick Disconnect Nominal Size0.750 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-064-4434 INTERCHANGEABLE
Plug,quick Disconnect
4730-00-360-0715 INTERCHANGEABLE
Plug,quick Disconnect
4730-00-640-6188 INTERCHANGEABLE
Plug,quick Disconnect
4730-00-823-5316 INTERCHANGEABLE
Plug,quick Disconnect
4730-00-915-5127 INTERCHANGEABLE
Plug,quick Disconnect
4730-00-929-0790 INTERCHANGEABLE
Plug,quick Disconnect
4730-01-020-2078 INTERCHANGEABLE
Plug,quick Disconnect
4730-01-020-7204 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-036-7498 INTERCHANGEABLE
Plug,quick Disconnect
4730-01-078-9945 INTERCHANGEABLE
Plug,quick Disconnect
Cross-Reference Index
Part NumberManufacturer
634A-3/4BR Dover Resources Inc Dba Opw Engineered Systems (USA)
AA59326/11-2-B Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A-A-59326/11 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
634A-.75BR Dover Resources Inc Dba Opw Engineered Systems (USA)
634A3-4IN BR Opw Fueling Components Inc. Div Opw Fueling Components (USA)
MS27029-4 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AA59326X22 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AA59326/11-2 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A-A-59326/11A Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
634A3-4IN BR Dover Resources Inc Dba Opw Engineered Systems (USA)
634A-.75BR Opw Fueling Components Inc. Div Opw Fueling Components (USA)
75-DP-BR Dvcc, Llc (USA)
634A-3/4BR Opw Fueling Components Inc. Div Opw Fueling Components (USA)
Related Parts
4730-00-064-4434INTERCHANGEABLE
PLUG,QUICK DISCONNECT
4730-00-360-0715INTERCHANGEABLE
PLUG,QUICK DISCONNECT
4730-00-640-6188INTERCHANGEABLE
PLUG,QUICK DISCONNECT
4730-00-823-5316INTERCHANGEABLE
PLUG,QUICK DISCONNECT
4730-00-915-5127INTERCHANGEABLE
PLUG,QUICK DISCONNECT
4730-00-929-0790INTERCHANGEABLE
PLUG,QUICK DISCONNECT
4730-01-020-2078INTERCHANGEABLE
PLUG,QUICK DISCONNECT
4730-01-020-7204INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-036-7498INTERCHANGEABLE
PLUG,QUICK DISCONNECT
4730-01-078-9945INTERCHANGEABLE
PLUG,QUICK DISCONNECT
4730-01-080-1899INTERCHANGEABLE
PLUG,QUICK DISCONNECT
4730-01-212-5809INTERCHANGEABLE
PLUG,QUICK DISCONNECT

Frequently Asked Questions

What is NSN 4730-01-310-7823?

NSN 4730-01-310-7823 is a Plug,quick Disconnect, manufactured by Dover Resources Inc Dba Opw Engineered Systems, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-310-7823?

NSN 4730-01-310-7823 has 13 cross-referenced part numbers: 634A-3/4BR (Dover Resources Inc Dba Opw Engineered Systems), AA59326/11-2-B (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A-A-59326/11 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 634A-.75BR (Dover Resources Inc Dba Opw Engineered Systems), 634A3-4IN BR (Opw Fueling Components Inc. Div Opw Fueling Components) and 8 more.

What NSN replaces 4730-01-310-7823?

There are 12 known substitutes for 4730-01-310-7823: 4730-00-064-4434, 4730-00-360-0715, 4730-00-640-6188 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 634A-3/4BR?

Key specifications for 634A-3/4BR: Quick Disconnect Method: CAM-LOCKING; Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS; Material Document and Classification: QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE BODY; Material: COPPER ALLOY BODY. 7 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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