PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AB2Coupling Half,quick Disconnect

Dixon Valve & Coupling Company, Llc Div Dixon Fire · NSN 4730-01-013-1580 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-013-1580 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-013-1580. Primary manufacturer part number: AB2.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Quick Disconnect Method: TWO LUG UNIVERSAL ALL ENDS
  • Style Designator: MALE COUPLING HALF
  • Material: COPPER ALLOY BODY
  • Connection Style: PLAIN ALL ENDS
  • Leg Length: 0.781 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
  • Thread Series Designator: NPT ALL ENDS
  • Connection Type: THREADED EXTERNAL PIPE FIRST FLUID END CONNECTION
Applications
  • Applications requiring Copper Alloy Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-013-1580, 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 Dixon Valve & Coupling Company, Llc Div Dixon Fire. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, 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
NSN4730-01-013-1580
Primary Part NumberAB2
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerDixon Valve & Coupling Company, Llc Div Dixon Fire
StatusACTIVE
Quick Disconnect MethodTWO LUG UNIVERSAL ALL ENDS
Style DesignatorMALE COUPLING HALF
MaterialCOPPER ALLOY BODY
Connection StylePLAIN ALL ENDS
Leg Length0.781 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
Thread Series DesignatorNPT ALL ENDS
Connection TypeTHREADED EXTERNAL PIPE FIRST FLUID END CONNECTION
Nominal Thread Size0.500 INCHES ALL ENDS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6670-00-237-9994AB2 INTERCHANGEABLE
Balance,analytical
Vertex Industries Inc Torbal Div
5930-01-534-7388PAB-2 INTERCHANGEABLE
Switch,toggle
Pico Macom, Inc
3439-01-549-7785AB-2 INTERCHANGEABLE
Flux,brazing
Superior Flux & Manufacturing Co
5210-01-655-0128AB-2 INTERCHANGEABLE
Gage Block
Suburban Tool, Inc. Dba Taft-Peirce Metrology Co.
Cross-Reference Index
Part NumberManufacturer
1025-30203 PIECE 36 Jbf Scientific Corp (USA)
AKB-1/2MPT Dixon Valve & Coupling Company, Llc Div Dixon Fire (USA)
AB2 PRIMARY Dixon Valve & Coupling Company, Llc Div Dixon Fire (USA)
UM-50-B PRIMARY Dvcc, Llc (USA)
Related Parts
6670-00-237-9994INTERCHANGEABLE
BALANCE,ANALYTICAL
AB2
5930-01-534-7388INTERCHANGEABLE
SWITCH,TOGGLE
PAB-2
3439-01-549-7785INTERCHANGEABLE
FLUX,BRAZING
AB-2
5210-01-655-0128INTERCHANGEABLE
GAGE BLOCK
AB-2

Frequently Asked Questions

What is NSN 4730-01-013-1580?

NSN 4730-01-013-1580 is a Coupling Half,quick Disconnect, manufactured by Dixon Valve & Coupling Company, Llc Div Dixon Fire, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-013-1580?

NSN 4730-01-013-1580 has 4 cross-referenced part numbers: 1025-30203 PIECE 36 (Jbf Scientific Corp), AKB-1/2MPT (Dixon Valve & Coupling Company, Llc Div Dixon Fire), AB2 (Dixon Valve & Coupling Company, Llc Div Dixon Fire), UM-50-B (Dvcc, Llc).

What NSN replaces 4730-01-013-1580?

There are 4 known substitutes for 4730-01-013-1580: 6670-00-237-9994, 5930-01-534-7388, 3439-01-549-7785 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AB2?

Key specifications for AB2: Quick Disconnect Method: TWO LUG UNIVERSAL ALL ENDS; Style Designator: MALE COUPLING HALF; Material: COPPER ALLOY BODY; Connection Style: PLAIN ALL ENDS. 9 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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