PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W2029Elbow,tube

Mueller Brass Co. · NSN 4730-00-640-0311 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-640-0311 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-640-0311. Primary manufacturer part number: W2029.
Features
  • Elbow,tube — FSC 4730
  • Connection Type: UNTHREADED INTERNAL TUBE FIRST END
  • Tubing Wall Nominal Thickness for Which Designed: 0.040 INCHES SECOND END IN
  • Flow Angle: 90.0 DEGREES
  • Material: COPPER ALLOY OVERALL
  • Leg Length: 1.437 INCHES NOMINAL FIRST END IN
  • Leg Length: 1.250 INCHES NOMINAL SECOND END IN
  • Connection Type: UNTHREADED INTERNAL TUBE SECOND END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Elbow,tube, cataloged under National Stock Number 4730-00-640-0311, 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 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-640-0311
Primary Part NumberW2029
Item NameElbow,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMueller Brass Co.
StatusACTIVE
Connection TypeUNTHREADED INTERNAL TUBE FIRST END
Tubing Wall Nominal Thickness for Which Designed0.040 INCHES SECOND END IN
Flow Angle90.0 DEGREES
MaterialCOPPER ALLOY OVERALL
Leg Length1.437 INCHES NOMINAL FIRST END IN
Leg Length1.250 INCHES NOMINAL SECOND END IN
Connection TypeUNTHREADED INTERNAL TUBE SECOND END
Nominal Outside Diameter Tube Accommodated0.625 INCHES SECOND END IN
Connection StylePLAIN (TUBE) FIRST END
Nominal Outside Diameter Tube Accommodated0.750 INCHES FIRST END IN
Connection StylePLAIN (TUBE) SECOND END
Tubing Wall Nominal Thickness for Which Designed0.042 INCHES FIRST END IN
Surface TreatmentANODIZE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-00-974-662301-0296 ITEM NO 67 INTERCHANGEABLE
Washer,lock
Ward Leonard Ct Llc
Cross-Reference Index
Part NumberManufacturer
R63870C15E9864-5 Unifab Industries Inc (USA)
W2029 PRIMARY Mueller Brass Co. (USA)
B16.22 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
13215E9864-5 Cecom Lr Center (USA)
R67873C102-3 Unifab Industries Inc (USA)
13215E9864-5 Keco Industries, Inc. (USA)
Related Parts
5310-00-974-6623INTERCHANGEABLE
WASHER,LOCK
01-0296 ITEM NO 67

Frequently Asked Questions

What is NSN 4730-00-640-0311?

NSN 4730-00-640-0311 is a Elbow,tube, manufactured by Mueller Brass Co., classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-640-0311?

NSN 4730-00-640-0311 has 6 cross-referenced part numbers: R63870C15E9864-5 (Unifab Industries Inc), W2029 (Mueller Brass Co.), B16.22 (American National Standards Institute Incorporated Dba American National Standards Institute), 13215E9864-5 (Cecom Lr Center), R67873C102-3 (Unifab Industries Inc) and 1 more.

What NSN replaces 4730-00-640-0311?

There is 1 known substitute for 4730-00-640-0311: 5310-00-974-6623. Verify interchangeability with system specifications before substitution.

What are the specifications of W2029?

Key specifications for W2029: Connection Type: UNTHREADED INTERNAL TUBE FIRST END; Tubing Wall Nominal Thickness for Which Designed: 0.040 INCHES SECOND END IN; Flow Angle: 90.0 DEGREES; Material: COPPER ALLOY OVERALL. 13 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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