PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

633CCoupling Half,quick Disconnect

Opw Fueling Components Inc. Div Opw Fueling Components · NSN 4730-00-542-4031 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-542-4031 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-542-4031. Primary manufacturer part number: 633C.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Nominal Inside Diameter Hose Accommodated: 1.250 INCHES ALL ENDS IN
  • Style Designator: MALE COUPLING HALF
  • Connection Type: INTERNAL QUICK DISCONNECT ALL ENDS
  • Specification/standard Data: 96906-MS27025 GOVERNMENT STANDARD
  • Mating End Identification: DOVER CORP O P W DIVISION ADAPTER,PART NO. 633A,633E,633F,OR PLUG,PART NO. 634A A
  • Connection Type: UNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION
  • Material: COPPER ALLOY BODY
Applications
  • Applications requiring Copper Alloy Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-542-4031, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-542-4031
Primary Part Number633C
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerOpw Fueling Components Inc. Div Opw Fueling Components
StatusCANCELLED
Nominal Inside Diameter Hose Accommodated1.250 INCHES ALL ENDS IN
Style DesignatorMALE COUPLING HALF
Connection TypeINTERNAL QUICK DISCONNECT ALL ENDS
Specification/standard Data96906-MS27025 GOVERNMENT STANDARD
Mating End IdentificationDOVER CORP O P W DIVISION ADAPTER,PART NO. 633A,633E,633F,OR PLUG,PART NO. 634A A
Connection TypeUNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION
MaterialCOPPER ALLOY BODY
Connection StyleBARBED OR SERRATED END ALL ENDS
Quick Disconnect MethodCAM-LOCKING ALL ENDS
Furnished ItemsGASKET
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
4730-00-083-7196 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-649-7389633C4IN INTERCHANGEABLE
Coupling Half,quick Disconnect
Opw Fueling Components Inc. Div Opw Fueling Components
3460-01-167-0433 INTERCHANGEABLE
Chuck,drill
Cross-Reference Index
Part NumberManufacturer
633C Opw Fueling Components Inc. Div Opw Fueling Components (USA)
633C Dover Resources Inc Dba Opw Engineered Systems (USA)
MS27025-8 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4730-00-083-7196INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-649-7389INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
633C4IN
3460-01-167-0433INTERCHANGEABLE
CHUCK,DRILL

Frequently Asked Questions

What is NSN 4730-00-542-4031?

NSN 4730-00-542-4031 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 4730-00-542-4031?

NSN 4730-00-542-4031 has 3 cross-referenced part numbers: 633C (Opw Fueling Components Inc. Div Opw Fueling Components), 633C (Dover Resources Inc Dba Opw Engineered Systems), MS27025-8 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4730-00-542-4031?

There are 3 known substitutes for 4730-00-542-4031: 4730-00-083-7196, 4730-00-649-7389, 3460-01-167-0433. Verify interchangeability with system specifications before substitution.

What are the specifications of 633C?

Key specifications for 633C: Nominal Inside Diameter Hose Accommodated: 1.250 INCHES ALL ENDS IN; Style Designator: MALE COUPLING HALF; Connection Type: INTERNAL QUICK DISCONNECT ALL ENDS; Specification/standard Data: 96906-MS27025 GOVERNMENT STANDARD. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-542-4031 still in active supply?

NSN 4730-00-542-4031 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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