PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-4780Adapter,straight,pipe to Tube

Mueller Brass Co. · NSN 4730-00-266-0542 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-266-0542 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-266-0542. Primary manufacturer part number: A-4780.
Features
  • Adapter,straight,pipe to Tube — FSC 4730
  • 11 verified cross-references
  • Primary manufacturer: Mueller Brass Co.
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-00-266-0542, 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 Mueller Brass Co.. This item has 11 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameAdapter,straight,pipe to Tube
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersMueller Brass Co. (CAGE 41947); Uniflite Inc (CAGE 15823); Melchior Armstrong Dessau Co of Delaware Inc (CAGE 39653); United Technologies Automotive Inc Components Div (CAGE 72216); Sea Cure Technology, Inc (CAGE 67060)
Technical Specifications
ParameterValue
NSN4730-00-266-0542
Primary Part NumberA-4780
Item NameAdapter,straight,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMueller Brass Co.
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5210-00-223-92124874 INTERCHANGEABLE
Blade,thickness Gage
Telemechanics Inc
1660-00-794-0859249-425 INTERCHANGEABLE
Guide,cable
Avox Systems Inc Dba Avox Systems Inc
5905-00-926-873990J51K INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
2910-00-988-8668 INTERCHANGEABLE
Pump,fuel,cam Actuated
6532-01-122-92794874 INTERCHANGEABLE
Footwear Covers,operating Room
Cardinal Health 200, Llc
6680-01-131-2471A4780 INTERCHANGEABLE
Counter,electrical
Ai-Tek Instruments Llc Dba Ai-Tek Instruments Llc
6145-01-174-4509CB-3044 INTERCHANGEABLE
Thermal Wire
Alto-Shaam, Inc
5340-01-196-55154874 INTERCHANGEABLE
Fastener,pawl
Eastern Co Div Eberhard Manufacturing
5360-01-466-6440002623 INTERCHANGEABLE
Spring,helical,compression
Bauer Compressors, Inc.
Cross-Reference Index
Part NumberManufacturer
U1-8D Mueller Brass Co. (USA)
002623 Uniflite Inc (USA)
U1-8D Melchior Armstrong Dessau Co of Delaware Inc (USA)
E248X8X8 United Technologies Automotive Inc Components Div (USA)
002623-7 Sea Cure Technology, Inc (USA)
D4524-6196-1 Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters (USA)
MIL-F-15049 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
51283-16 Keco Industries, Inc. (USA)
4874 Mueller Brass Co. (USA)
A-4780 PRIMARY Mueller Brass Co. (USA)
U18D Hinshaw Supply Co of California (USA)
Related Parts
5210-00-223-9212INTERCHANGEABLE
BLADE,THICKNESS GAGE
4874
1660-00-794-0859INTERCHANGEABLE
GUIDE,CABLE
249-425
5905-00-926-8739INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
90J51K
2910-00-988-8668INTERCHANGEABLE
PUMP,FUEL,CAM ACTUATED
6532-01-122-9279INTERCHANGEABLE
FOOTWEAR COVERS,OPERATING ROOM
4874
6680-01-131-2471INTERCHANGEABLE
COUNTER,ELECTRICAL
A4780
6145-01-174-4509INTERCHANGEABLE
THERMAL WIRE
CB-3044
5340-01-196-5515INTERCHANGEABLE
FASTENER,PAWL
4874
5360-01-466-6440INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
002623

Frequently Asked Questions

What is NSN 4730-00-266-0542?

NSN 4730-00-266-0542 is a Adapter,straight,pipe to Tube, manufactured by Mueller Brass Co., classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-266-0542?

NSN 4730-00-266-0542 has 11 cross-referenced part numbers: U1-8D (Mueller Brass Co.), 002623 (Uniflite Inc), U1-8D (Melchior Armstrong Dessau Co of Delaware Inc), E248X8X8 (United Technologies Automotive Inc Components Div), 002623-7 (Sea Cure Technology, Inc) and 6 more.

What NSN replaces 4730-00-266-0542?

There are 9 known substitutes for 4730-00-266-0542: 5210-00-223-9212, 1660-00-794-0859, 5905-00-926-8739 and 6 more. Verify interchangeability with system specifications before substitution.

Is NSN 4730-00-266-0542 still in active supply?

NSN 4730-00-266-0542 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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