PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W40109Tee,tube

Mueller Brass Co. · NSN 4730-00-507-0034 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-507-0034 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-507-0034. Primary manufacturer part number: W40109.
Features
  • Tee,tube — FSC 4730
  • Connection Type: UNTHREADED INTERNAL TUBE SECOND END
  • Leg Length: 3.677 INCHES NOMINAL SECOND END IN
  • Connection Style: SOCKET (TUBE) THIRD END
  • Connection Type: UNTHREADED INTERNAL TUBE THIRD END
  • Leg Length: 3.442 INCHES NOMINAL FIRST END IN
  • Nominal Outside Diameter Tube Accommodated: 1.375 INCHES SECOND END IN
  • Leg Length: 4.255 INCHES NOMINAL THIRD 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 4730-00-507-0034, 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.. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-507-0034
Primary Part NumberW40109
Item NameTee,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMueller Brass Co.
StatusCANCELLED
Connection TypeUNTHREADED INTERNAL TUBE SECOND END
Leg Length3.677 INCHES NOMINAL SECOND END IN
Connection StyleSOCKET (TUBE) THIRD END
Connection TypeUNTHREADED INTERNAL TUBE THIRD END
Leg Length3.442 INCHES NOMINAL FIRST END IN
Nominal Outside Diameter Tube Accommodated1.375 INCHES SECOND END IN
Leg Length4.255 INCHES NOMINAL THIRD END IN
Connection TypeUNTHREADED INTERNAL TUBE FIRST END
Connection StyleSOCKET (TUBE) SECOND END
Nominal Outside Diameter Tube Accommodated2.125 INCHES FIRST END IN
Nominal Outside Diameter Tube Accommodated2.125 INCHES THIRD END IN
MaterialCOPPER OVERALL
Connection StyleSOCKET (TUBE) FIRST END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-270-3886 INTERCHANGEABLE
Nut,slip Joint
4730-00-270-3889 INTERCHANGEABLE
Nut,slip Joint
4730-00-270-38914730002703891 INTERCHANGEABLE
Nut,slip Joint
Samuel Levine Plumbing and Heating Supplies, Inc. Div Slphs Inc
4730-00-270-3892 INTERCHANGEABLE
Nut,slip Joint
4730-00-270-3895 INTERCHANGEABLE
Nut,slip Joint
4730-00-304-3481 INTERCHANGEABLE
Coupling,pipe
4510-00-305-7949HST05LKSB 3/8 INTERCHANGEABLE
Stop,angle,plumbing
Mcguire Mfg Co Inc
4730-00-408-7902A7009 INTERCHANGEABLE
Elbow,tube
Mueller Brass Co.
4730-00-722-2637W1287 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Mueller Brass Co.
4730-00-878-3204 INTERCHANGEABLE
Elbow,tube
Cross-Reference Index
Part NumberManufacturer
B16-23 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
812 Nibco Inc (USA)
W40109 PRIMARY Mueller Brass Co. (USA)
Related Parts
4730-00-270-3886INTERCHANGEABLE
NUT,SLIP JOINT
4730-00-270-3889INTERCHANGEABLE
NUT,SLIP JOINT
4730-00-270-3891INTERCHANGEABLE
NUT,SLIP JOINT
4730002703891
4730-00-270-3892INTERCHANGEABLE
NUT,SLIP JOINT
4730-00-270-3895INTERCHANGEABLE
NUT,SLIP JOINT
4730-00-304-3481INTERCHANGEABLE
COUPLING,PIPE
4510-00-305-7949INTERCHANGEABLE
STOP,ANGLE,PLUMBING
HST05LKSB 3/8
4730-00-408-7902INTERCHANGEABLE
ELBOW,TUBE
A7009
4730-00-722-2637INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
W1287
4730-00-878-3204INTERCHANGEABLE
ELBOW,TUBE
4730-00-982-7224INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
W1279
4730-01-057-3852INTERCHANGEABLE
ELBOW,TUBE
A7088

Frequently Asked Questions

What is NSN 4730-00-507-0034?

NSN 4730-00-507-0034 is a Tee,tube, manufactured by Mueller Brass Co., classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-507-0034?

NSN 4730-00-507-0034 has 3 cross-referenced part numbers: B16-23 (American National Standards Institute Incorporated Dba American National Standards Institute), 812 (Nibco Inc), W40109 (Mueller Brass Co.).

What NSN replaces 4730-00-507-0034?

There are 12 known substitutes for 4730-00-507-0034: 4730-00-270-3886, 4730-00-270-3889, 4730-00-270-3891 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of W40109?

Key specifications for W40109: Connection Type: UNTHREADED INTERNAL TUBE SECOND END; Leg Length: 3.677 INCHES NOMINAL SECOND END IN; Connection Style: SOCKET (TUBE) THIRD END; Connection Type: UNTHREADED INTERNAL TUBE THIRD END. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-507-0034 still in active supply?

NSN 4730-00-507-0034 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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