PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W8119871ITEM18Tee,tube

General Electric Company · NSN 4730-00-277-8171 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-277-8171 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-277-8171. Primary manufacturer part number: W8119871ITEM18.
Features
  • Tee,tube — FSC 4730
  • Leg Length: 0.875 INCHES NOMINAL THIRD END IN
  • Connection Type: UNTHREADED INTERNAL TUBE THIRD END
  • Connection Style: SOCKET (TUBE) SECOND END
  • Connection Type: UNTHREADED INTERNAL TUBE FIRST END
  • Nominal Outside Diameter Tube Accommodated: 0.500 INCHES THIRD END IN
  • Leg Length: 0.938 INCHES NOMINAL SECOND END IN
  • Nominal Outside Diameter Tube Accommodated: 0.375 INCHES SECOND END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Overall construction
General Description

The Tee,tube, cataloged under National Stock Number 4730-00-277-8171, 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 General Electric Company. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 17 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-277-8171
Primary Part NumberW8119871ITEM18
Item NameTee,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerGeneral Electric Company
StatusCANCELLED
Leg Length0.875 INCHES NOMINAL THIRD END IN
Connection TypeUNTHREADED INTERNAL TUBE THIRD END
Connection StyleSOCKET (TUBE) SECOND END
Connection TypeUNTHREADED INTERNAL TUBE FIRST END
Nominal Outside Diameter Tube Accommodated0.500 INCHES THIRD END IN
Leg Length0.938 INCHES NOMINAL SECOND END IN
Nominal Outside Diameter Tube Accommodated0.375 INCHES SECOND END IN
Nominal Outside Diameter Tube Accommodated0.375 INCHES FIRST END IN
Leg Length0.938 INCHES NOMINAL FIRST END IN
Connection StyleSOCKET (TUBE) FIRST END
Connection StyleSOCKET (TUBE) THIRD END
Connection TypeUNTHREADED INTERNAL TUBE SECOND END
MaterialCOPPER OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5365-00-148-76941457 INTERCHANGEABLE
Shim
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
4730-00-278-457568-4-4 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Brass Craft Mfg Co Sub of Masco Corp
2530-00-769-7871A1457 INTERCHANGEABLE
Guard,brake Hose
Am General Llc
5330-01-278-44961457 INTERCHANGEABLE
Gasket
Fluid Power, Inc.
5325-01-356-8362A1457 INTERCHANGEABLE
Socket,turnbutton Fastener
Thern Inc
Cross-Reference Index
Part NumberManufacturer
W8119871ITEM18 General Electric Company (USA)
W4005 Mueller Brass Co. (USA)
A1457 General Electric Company (USA)
W8119870ITEM18 General Electric Company (USA)
W8119870ITEM18 General Electric Co Switchgear and Control Division of Apparatus Group (USA)
W8119868ITEM18 General Electric Co Switchgear and Control Division of Apparatus Group (USA)
W8119868ITEM18 General Electric Company (USA)
W8119869ITEM18 General Electric Company (USA)
W8119809-34 General Electric Co Switchgear and Control Division of Apparatus Group (USA)
W8119869ITEM18 General Electric Co Switchgear and Control Division of Apparatus Group (USA)
327370P01 Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA)
3146549-4 Naval Sea Systems Command (USA)
W8119807PC34 General Electric Company (USA)
327370P01 Howden Fluid Systems (USA)
W8119871ITEM18 General Electric Co Switchgear and Control Division of Apparatus Group (USA)
W8119809-34 General Electric Company (USA)
G265902-3 Raytheon Company Div Corp (USA)
Related Parts
5365-00-148-7694INTERCHANGEABLE
SHIM
1457
4730-00-278-4575INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
68-4-4
2530-00-769-7871INTERCHANGEABLE
GUARD,BRAKE HOSE
A1457
5330-01-278-4496INTERCHANGEABLE
GASKET
1457
5325-01-356-8362INTERCHANGEABLE
SOCKET,TURNBUTTON FASTENER
A1457

Frequently Asked Questions

What is NSN 4730-00-277-8171?

NSN 4730-00-277-8171 is a Tee,tube, manufactured by General Electric Company, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-277-8171?

NSN 4730-00-277-8171 has 17 cross-referenced part numbers: W8119871ITEM18 (General Electric Company), W4005 (Mueller Brass Co.), A1457 (General Electric Company), W8119870ITEM18 (General Electric Company), W8119870ITEM18 (General Electric Co Switchgear and Control Division of Apparatus Group) and 12 more.

What NSN replaces 4730-00-277-8171?

There are 5 known substitutes for 4730-00-277-8171: 5365-00-148-7694, 4730-00-278-4575, 2530-00-769-7871 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of W8119871ITEM18?

Key specifications for W8119871ITEM18: Leg Length: 0.875 INCHES NOMINAL THIRD END IN; Connection Type: UNTHREADED INTERNAL TUBE THIRD END; Connection Style: SOCKET (TUBE) SECOND END; Connection Type: UNTHREADED INTERNAL TUBE FIRST END. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-277-8171 still in active supply?

NSN 4730-00-277-8171 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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