PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILC3486Coupling Half,quick Disconnect

Ball a C Co · NSN 4730-00-277-6159 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-277-6159 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-277-6159. Primary manufacturer part number: MILC3486.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Connection Type: EXTERNAL QUICK DISCONNECT ALL ENDS
  • Leg Length: 1.625 INCHES MINIMUM IN
  • Quick Disconnect Method: TWIST-LOCK ALL ENDS
  • Quick Disconnect Nominal Size: 1.016 INCHES ALL ENDS IN
  • Material Document and Classification: MIL-C-3486,TB 1 MIL SPEC SINGLE MATERIAL RESPONSE BODY TB
  • Material: COPPER ALLOY BODY
  • Nominal Inside Diameter Hose Accommodated: 0.438 INCHES ALL ENDS IN
Applications
  • Applications requiring Copper Alloy Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-277-6159, 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 Ball a C Co. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 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
NSN4730-00-277-6159
Primary Part NumberMILC3486
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerBall a C Co
StatusACTIVE
Connection TypeEXTERNAL QUICK DISCONNECT ALL ENDS
Leg Length1.625 INCHES MINIMUM IN
Quick Disconnect MethodTWIST-LOCK ALL ENDS
Quick Disconnect Nominal Size1.016 INCHES ALL ENDS IN
Material Document and ClassificationMIL-C-3486,TB 1 MIL SPEC SINGLE MATERIAL RESPONSE BODY TB
MaterialCOPPER ALLOY BODY
Nominal Inside Diameter Hose Accommodated0.438 INCHES ALL ENDS IN
Connection TypeUNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION
Connection StyleBARBED OR SERRATED END ALL ENDS
Style DesignatorMALE COUPLING HALF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-277-5675 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-277-5676 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-277-5677 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-277-5680 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-277-5681 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-277-5682 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-288-8802 INTERCHANGEABLE
Wye,quick Disconnect
4730-00-289-4240 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-289-4241 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-289-4242 INTERCHANGEABLE
Coupling Half,quick Disconnect
Cross-Reference Index
Part NumberManufacturer
MILC3486 Ball a C Co (USA)
MILC3486 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
A-A-50431 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
MILC3486 Jarvis Engineering Co (USA)
MILC3486 Bowes Mfg Inc (USA)
AA50431-HMBZB00 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
4730-00-277-5675INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-277-5676INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-277-5677INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-277-5680INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-277-5681INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-277-5682INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-288-8802INTERCHANGEABLE
WYE,QUICK DISCONNECT
4730-00-289-4240INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-289-4241INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-289-4242INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-289-4243INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-289-4244INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT

Frequently Asked Questions

What is NSN 4730-00-277-6159?

NSN 4730-00-277-6159 is a Coupling Half,quick Disconnect, manufactured by Ball a C Co, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-277-6159?

NSN 4730-00-277-6159 has 6 cross-referenced part numbers: MILC3486 (Ball a C Co), MILC3486 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), A-A-50431 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), MILC3486 (Jarvis Engineering Co), MILC3486 (Bowes Mfg Inc) and 1 more.

What NSN replaces 4730-00-277-6159?

There are 12 known substitutes for 4730-00-277-6159: 4730-00-277-5675, 4730-00-277-5676, 4730-00-277-5677 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MILC3486?

Key specifications for MILC3486: Overall Length: 4.156 INCHES NOMINAL IN; Connection Type: EXTERNAL QUICK DISCONNECT ALL ENDS; Leg Length: 1.625 INCHES MINIMUM IN; Quick Disconnect Method: TWIST-LOCK ALL ENDS. 11 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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