PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

33-3375-500-040Coupling Assembly,quick Disconne

Chief of Engineers Dept of Army · NSN 4730-00-203-9462 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-203-9462 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-203-9462. Primary manufacturer part number: 33-3375-500-040.
Features
  • Coupling Assembly,quick Disconne — FSC 4730
  • Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Material: STEEL OVERALL
  • Style Designator: COUPLING ASSEMBLY
  • Nominal Inside Diameter Hose Accommodated: 0.375 INCHES FIRST FLUID END CONNECTION IN
  • Specification/standard Data: 81349-MIL-C-4109 GOVERNMENT SPECIFICATION
  • Nondefinitive Spec/std Data: 2 TYPE
Applications
  • Applications requiring Steel Overall construction
General Description

The Coupling Assembly,quick Disconne, cataloged under National Stock Number 4730-00-203-9462, 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 Chief of Engineers Dept of Army. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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
NSN4730-00-203-9462
Primary Part Number33-3375-500-040
Item NameCoupling Assembly,quick Disconne
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerChief of Engineers Dept of Army
StatusACTIVE
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MaterialSTEEL OVERALL
Style DesignatorCOUPLING ASSEMBLY
Nominal Inside Diameter Hose Accommodated0.375 INCHES FIRST FLUID END CONNECTION IN
Specification/standard Data81349-MIL-C-4109 GOVERNMENT SPECIFICATION
Nondefinitive Spec/std Data2 TYPE
Surface TreatmentCADMIUM OVERALL
Features ProvidedSELF-SEALING
Connection StyleBARBED OR SERRATED END FIRST FLUID END CONNECTION
Connection TypeUNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION
Quick Disconnect MethodSPRING PUSH-PULL ALL ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6145-00-066-8640 INTERCHANGEABLE
Braid,wire
5120-00-184-86523717 INTERCHANGEABLE
Wrench,open End
Martin Sprocket and Gear Inc
5975-00-280-91853717 INTERCHANGEABLE
Reducing Washer,knockout
Abb Installation Products Inc
4810-00-534-7079 INTERCHANGEABLE
Valve,linear,directional Control
5810-00-565-0658 INTERCHANGEABLE
Plate
1620-00-718-67715124 INTERCHANGEABLE
Ring,rebound
Goodrich Aerospace Canada Ltd
5307-00-889-8863417-03717 INTERCHANGEABLE
Stud
Rogers Brothers Corp
5930-01-049-2317130101 INTERCHANGEABLE
Switch,thermostatic
American Dryer Corp
5999-01-050-56043717 INTERCHANGEABLE
Component Board Ass
Data Device Corp Dba Beta Transformer Technology
5306-01-075-8511 INTERCHANGEABLE
Bolt,assembled Washer
Cross-Reference Index
Part NumberManufacturer
33-3375-500-040 Chief of Engineers Dept of Army (USA)
130-10-1 Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division (USA)
MILC4109 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
3717 Tuthill Corp Hansen Coupling Div (USA)
1000-11-6361 Ohio Auto Parts Co (USA)
Related Parts
6145-00-066-8640INTERCHANGEABLE
BRAID,WIRE
5120-00-184-8652INTERCHANGEABLE
WRENCH,OPEN END
3717
5975-00-280-9185INTERCHANGEABLE
REDUCING WASHER,KNOCKOUT
3717
4810-00-534-7079INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
5810-00-565-0658INTERCHANGEABLE
PLATE
1620-00-718-6771INTERCHANGEABLE
RING,REBOUND
5124
5307-00-889-8863INTERCHANGEABLE
STUD
417-03717
5930-01-049-2317INTERCHANGEABLE
SWITCH,THERMOSTATIC
130101
5999-01-050-5604INTERCHANGEABLE
COMPONENT BOARD ASS
3717
5306-01-075-8511INTERCHANGEABLE
BOLT,ASSEMBLED WASHER
5910-01-089-1563INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
563CY5SBA250EG473M
5120-01-161-1947INTERCHANGEABLE
BIT,SCREWDRIVER

Frequently Asked Questions

What is NSN 4730-00-203-9462?

NSN 4730-00-203-9462 is a Coupling Assembly,quick Disconne, manufactured by Chief of Engineers Dept of Army, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-203-9462?

NSN 4730-00-203-9462 has 5 cross-referenced part numbers: 33-3375-500-040 (Chief of Engineers Dept of Army), 130-10-1 (Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division), MILC4109 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 3717 (Tuthill Corp Hansen Coupling Div), 1000-11-6361 (Ohio Auto Parts Co).

What NSN replaces 4730-00-203-9462?

There are 12 known substitutes for 4730-00-203-9462: 6145-00-066-8640, 5120-00-184-8652, 5975-00-280-9185 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 33-3375-500-040?

Key specifications for 33-3375-500-040: Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Material: STEEL OVERALL; Style Designator: COUPLING ASSEMBLY. 12 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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