PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3905-8Coupling Half,quick Disconnect

Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution · NSN 4730-01-322-1749 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-322-1749 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-322-1749. Primary manufacturer part number: 3905-8.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Thread Series Designator: UNF ALL ENDS
  • Quick Disconnect Nominal Size: 0.767 INCHES ALL ENDS IN
  • Material Document and Classification: QQ-A-225/6,T351 FED SPEC SINGLE MATERIAL RESPONSE BODY
  • Leg Length: 0.556 INCHES NOMINAL IN
  • Nominal Outside Diameter Tube Accommodated: 0.500 INCHES ALL ENDS IN
  • Material: ALUMINUM ALLOY BODY
  • Seat Angle: 37.0 DEGREES
Applications
  • Applications requiring Aluminum Alloy Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-322-1749, 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 Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-322-1749
Primary Part Number3905-8
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerEaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
StatusACTIVE
Thread Series DesignatorUNF ALL ENDS
Quick Disconnect Nominal Size0.767 INCHES ALL ENDS IN
Material Document and ClassificationQQ-A-225/6,T351 FED SPEC SINGLE MATERIAL RESPONSE BODY
Leg Length0.556 INCHES NOMINAL IN
Nominal Outside Diameter Tube Accommodated0.500 INCHES ALL ENDS IN
MaterialALUMINUM ALLOY BODY
Seat Angle37.0 DEGREES
Surface Treatment Document and ClassificationMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE BODY
Features ProvidedSELF-SEALING
Quick Disconnect MethodSPRING PUSH-PULL ALL ENDS
Connection TypeINTERNAL QUICK DISCONNECT ALL ENDS
Nominal Thread Size0.750 INCHES ALL ENDS IN
Style DesignatorMALE COUPLING HALF
Thread Class3A ALL ENDS A
Connection TypeTHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
Surface TreatmentANODIZE BODY
Connection StyleFLARED ALL ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5130-00-177-6876PRG540 INTERCHANGEABLE
Riveter,blind,pneumatic
Stanley Engineered Fastening Llc
5330-00-215-5336 INTERCHANGEABLE
Seal,plain Encased
4820-01-197-2049LE1434 INTERCHANGEABLE
Cap,valve
Zamon Co Inc the
5998-01-423-106039058 INTERCHANGEABLE
Backplane Assembly
Elbitamerica, Inc.
Cross-Reference Index
Part NumberManufacturer
3905-8 PRIMARY Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
Related Parts
5130-00-177-6876INTERCHANGEABLE
RIVETER,BLIND,PNEUMATIC
PRG540
5330-00-215-5336INTERCHANGEABLE
SEAL,PLAIN ENCASED
4820-01-197-2049INTERCHANGEABLE
CAP,VALVE
LE1434
5998-01-423-1060INTERCHANGEABLE
BACKPLANE ASSEMBLY
39058

Frequently Asked Questions

What is NSN 4730-01-322-1749?

NSN 4730-01-322-1749 is a Coupling Half,quick Disconnect, manufactured by Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-322-1749?

NSN 4730-01-322-1749 has 1 cross-referenced part number: 3905-8 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution).

What NSN replaces 4730-01-322-1749?

There are 4 known substitutes for 4730-01-322-1749: 5130-00-177-6876, 5330-00-215-5336, 4820-01-197-2049 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3905-8?

Key specifications for 3905-8: Thread Series Designator: UNF ALL ENDS; Quick Disconnect Nominal Size: 0.767 INCHES ALL ENDS IN; Material Document and Classification: QQ-A-225/6,T351 FED SPEC SINGLE MATERIAL RESPONSE BODY; Leg Length: 0.556 INCHES NOMINAL IN. 18 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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