PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W4012Tee,tube

Mueller Brass Co. · NSN 4730-01-093-2799 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-093-2799 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-093-2799. Primary manufacturer part number: W4012.
Features
  • Tee,tube — FSC 4730
  • Leg Length: 0.959 INCHES MAXIMUM FIRST END IN
  • Leg Length: 0.959 INCHES MAXIMUM THIRD END IN
  • Material: COPPER ALLOY OVERALL
  • Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS
  • Nondefinitive Spec/std Data: 2 TABLE
  • Leg Length: 1.069 INCHES MAXIMUM 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 Alloy Overall construction
General Description

The Tee,tube, cataloged under National Stock Number 4730-01-093-2799, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-01-093-2799
Primary Part NumberW4012
Item NameTee,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMueller Brass Co.
StatusCANCELLED
Leg Length0.959 INCHES MAXIMUM FIRST END IN
Leg Length0.959 INCHES MAXIMUM THIRD END IN
MaterialCOPPER ALLOY OVERALL
Connection TypeUNTHREADED INTERNAL TUBE ALL ENDS
Nondefinitive Spec/std Data2 TABLE
Leg Length1.069 INCHES MAXIMUM SECOND END IN
Nominal Outside Diameter Tube Accommodated0.375 INCHES SECOND END IN
Connection StyleSOCKET (TUBE) ALL ENDS
Nominal Outside Diameter Tube Accommodated0.625 INCHES FIRST END IN
Nominal Outside Diameter Tube Accommodated0.625 INCHES THIRD END IN
Specification/standard Data80204-ANSIB16-22 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
4730-00-596-40623430-148 INTERCHANGEABLE
Tee,tube
Flagg Stanley G & Co Inc Dba Flagg Brass
4730-00-818-777813211E4043-6 INTERCHANGEABLE
Tee,tube
Cecom Lr Center
4730-01-176-9502W4062 INTERCHANGEABLE
Tee,tube
Mueller Brass Co.
6340-01-435-324212706-203 INTERCHANGEABLE
Annunciator
Korry Electronics Co
5310-01-458-8847W4012 INTERCHANGEABLE
Washer,flat
Waterous Company
4730-01-486-484013211E4043-19 INTERCHANGEABLE
Tee,tube
Cecom Lr Center
Cross-Reference Index
Part NumberManufacturer
12706203 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
B16.22 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
13211E4043-26 Cecom Lr Center (USA)
13211E4043 Cecom Lr Center (USA)
W4012 PRIMARY Mueller Brass Co. (USA)
Related Parts
4730-00-596-4062INTERCHANGEABLE
TEE,TUBE
3430-148
4730-00-818-7778INTERCHANGEABLE
TEE,TUBE
13211E4043-6
4730-01-176-9502INTERCHANGEABLE
TEE,TUBE
W4062
6340-01-435-3242INTERCHANGEABLE
ANNUNCIATOR
12706-203
5310-01-458-8847INTERCHANGEABLE
WASHER,FLAT
W4012
4730-01-486-4840INTERCHANGEABLE
TEE,TUBE
13211E4043-19

Frequently Asked Questions

What is NSN 4730-01-093-2799?

NSN 4730-01-093-2799 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 4730-01-093-2799?

NSN 4730-01-093-2799 has 5 cross-referenced part numbers: 12706203 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), B16.22 (American National Standards Institute Incorporated Dba American National Standards Institute), 13211E4043-26 (Cecom Lr Center), 13211E4043 (Cecom Lr Center), W4012 (Mueller Brass Co.).

What NSN replaces 4730-01-093-2799?

There are 6 known substitutes for 4730-01-093-2799: 4730-00-596-4062, 4730-00-818-7778, 4730-01-176-9502 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of W4012?

Key specifications for W4012: Leg Length: 0.959 INCHES MAXIMUM FIRST END IN; Leg Length: 0.959 INCHES MAXIMUM THIRD END IN; Material: COPPER ALLOY OVERALL; Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-01-093-2799 still in active supply?

NSN 4730-01-093-2799 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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