PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

219020Coupling Half,quick Disconnect

Vacu-Blast Corp · NSN 4730-01-048-9777 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-048-9777 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-048-9777. Primary manufacturer part number: 219020.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Material: ALUMINUM ALLOY BODY
  • Quick Disconnect Method: TWO LUG UNIVERSAL ALL ENDS
  • Style Designator: MALE COUPLING HALF
  • Connection Type: THREADED INTERNAL HOSE FIRST FLUID END CONNECTION
  • Furnished Items: GASKET
  • Leg Length: 1.156 INCHES NOMINAL IN
  • Thread Series Designator: NPSH ALL ENDS
Applications
  • Applications requiring Aluminum Alloy Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-048-9777, 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 Vacu-Blast Corp. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-048-9777
Primary Part Number219020
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerVacu-Blast Corp
StatusACTIVE
MaterialALUMINUM ALLOY BODY
Quick Disconnect MethodTWO LUG UNIVERSAL ALL ENDS
Style DesignatorMALE COUPLING HALF
Connection TypeTHREADED INTERNAL HOSE FIRST FLUID END CONNECTION
Furnished ItemsGASKET
Leg Length1.156 INCHES NOMINAL IN
Thread Series DesignatorNPSH ALL ENDS
Nominal Thread Size1.250 INCHES ALL ENDS IN
Connection StyleGASKET SEAL ALL ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
6240-00-143-31671794 INTERCHANGEABLE
Lamp,incandescent
Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
5210-00-229-3056179-4 INTERCHANGEABLE
Caliper,outside Thread
L.s. Starrett Company (the) Div Tool Division
6625-00-463-25231794 INTERCHANGEABLE
Adapter,test
Fluke Electronics Corp
6625-00-675-59131794 INTERCHANGEABLE
Tape
Power Control Devices, Inc.
3040-00-877-1652 INTERCHANGEABLE
Worm Shaft
5940-00-932-2503141692-01 INTERCHANGEABLE
Terminal Board
Ge Aviation Systems Llc
2940-01-004-291351794 INTERCHANGEABLE
Filter,fluid
Wix Corp
4730-01-049-0154219003 INTERCHANGEABLE
Coupling Half,quick Disconnect
Vacu-Blast Corp
4730-01-049-2397219000 INTERCHANGEABLE
Coupling Half,quick Disconnect
Vacu-Blast Corp
6750-01-382-0926 INTERCHANGEABLE
Paper,photographic
Cross-Reference Index
Part NumberManufacturer
219020 PRIMARY Vacu-Blast Corp (USA)
1794 Vacu-Blast Corp (USA)
BD1784 Vacu-Blast Corp (USA)
BD1784PC1 Vacu-Blast Corp (USA)
Related Parts
6240-00-143-3167INTERCHANGEABLE
LAMP,INCANDESCENT
1794
5210-00-229-3056INTERCHANGEABLE
CALIPER,OUTSIDE THREAD
179-4
6625-00-463-2523INTERCHANGEABLE
ADAPTER,TEST
1794
6625-00-675-5913INTERCHANGEABLE
TAPE
1794
3040-00-877-1652INTERCHANGEABLE
WORM SHAFT
5940-00-932-2503INTERCHANGEABLE
TERMINAL BOARD
141692-01
2940-01-004-2913INTERCHANGEABLE
FILTER,FLUID
51794
4730-01-049-0154INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
219003
4730-01-049-2397INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
219000
6750-01-382-0926INTERCHANGEABLE
PAPER,PHOTOGRAPHIC
8415-01-609-9955INTERCHANGEABLE
GLOVES,COLD WEATHER

Frequently Asked Questions

What is NSN 4730-01-048-9777?

NSN 4730-01-048-9777 is a Coupling Half,quick Disconnect, manufactured by Vacu-Blast Corp, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-048-9777?

NSN 4730-01-048-9777 has 4 cross-referenced part numbers: 219020 (Vacu-Blast Corp), 1794 (Vacu-Blast Corp), BD1784 (Vacu-Blast Corp), BD1784PC1 (Vacu-Blast Corp).

What NSN replaces 4730-01-048-9777?

There are 11 known substitutes for 4730-01-048-9777: 6240-00-143-3167, 5210-00-229-3056, 6625-00-463-2523 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 219020?

Key specifications for 219020: Material: ALUMINUM ALLOY BODY; Quick Disconnect Method: TWO LUG UNIVERSAL ALL ENDS; Style Designator: MALE COUPLING HALF; Overall Length: 2.437 INCHES NOMINAL IN. 10 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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