PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A1511Tee,tube

Mueller Brass Co. · NSN 4730-00-816-0764 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-816-0764 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-816-0764. Primary manufacturer part number: A1511.
Features
  • Tee,tube — FSC 4730
  • Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS
  • Leg Length: 1.312 INCHES MAXIMUM THIRD END IN
  • Nominal Outside Diameter Tube Accommodated: 0.625 INCHES ALL ENDS IN
  • Material: COPPER ALLOY OR COPPER OVERALL
  • Media for Which Designed: AIR SECOND RESPONSE
  • Media for Which Designed: REFRIGERATION COMPOUND FIRST RESPONSE
  • Connection Style: SOCKET (TUBE) ALL ENDS
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy or Copper Overall construction
General Description

The Tee,tube, cataloged under National Stock Number 4730-00-816-0764, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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
NSN4730-00-816-0764
Primary Part NumberA1511
Item NameTee,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMueller Brass Co.
StatusCANCELLED
Connection TypeUNTHREADED INTERNAL TUBE ALL ENDS
Leg Length1.312 INCHES MAXIMUM THIRD END IN
Nominal Outside Diameter Tube Accommodated0.625 INCHES ALL ENDS IN
MaterialCOPPER ALLOY OR COPPER OVERALL
Media for Which DesignedAIR SECOND RESPONSE
Media for Which DesignedREFRIGERATION COMPOUND FIRST RESPONSE
Connection StyleSOCKET (TUBE) ALL ENDS
Leg Length0.760 INCHES MINIMUM AND 1.312 INCHES MAXIMUM FIRST END IN
Leg Length0.760 INCHES MINIMUM AND 1.312 INCHES MAXIMUM SECOND END IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-059-7220 INTERCHANGEABLE
Coupling,tube
4730-00-202-8416 INTERCHANGEABLE
Elbow,pipe to Tube
8455-00-241-5444 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-00-241-5445 INTERCHANGEABLE
Insignia,shoulder Sleeve
4730-00-289-4825 INTERCHANGEABLE
Coupling,tube
4730-00-328-5229B16.18 1 1/4X1X3/4 INTERCHANGEABLE
Tee,tube
The American Society of Mechanical Engineers
1680-00-506-7796A1511 INTERCHANGEABLE
Support,cable Lead
Aerocontrolex Group, Inc. Div Talley Actuators
4730-00-614-6051 INTERCHANGEABLE
Tee,pipe to Tube
5950-00-627-6414 INTERCHANGEABLE
Transformer,radio Frequency
4730-00-689-8534 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Cross-Reference Index
Part NumberManufacturer
A1511 PRIMARY Mueller Brass Co. (USA)
3430-100 Flagg Stanley G & Co Inc Dba Flagg Brass (USA)
3030-100 Flagg Stanley G & Co Inc Dba Flagg Brass (USA)
B16-18 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
Related Parts
4730-00-059-7220INTERCHANGEABLE
COUPLING,TUBE
4730-00-202-8416INTERCHANGEABLE
ELBOW,PIPE TO TUBE
8455-00-241-5444INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-00-241-5445INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
4730-00-289-4825INTERCHANGEABLE
COUPLING,TUBE
4730-00-328-5229INTERCHANGEABLE
TEE,TUBE
B16.18 1 1/4X1X3/4
1680-00-506-7796INTERCHANGEABLE
SUPPORT,CABLE LEAD
A1511
4730-00-614-6051INTERCHANGEABLE
TEE,PIPE TO TUBE
5950-00-627-6414INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
4730-00-689-8534INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
3020-00-737-3166INTERCHANGEABLE
GEAR,WORM
A1511
4730-00-841-8431INTERCHANGEABLE
ELBOW,PIPE TO TUBE

Frequently Asked Questions

What is NSN 4730-00-816-0764?

NSN 4730-00-816-0764 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 4730-00-816-0764?

NSN 4730-00-816-0764 has 4 cross-referenced part numbers: A1511 (Mueller Brass Co.), 3430-100 (Flagg Stanley G & Co Inc Dba Flagg Brass), 3030-100 (Flagg Stanley G & Co Inc Dba Flagg Brass), B16-18 (American National Standards Institute Incorporated Dba American National Standards Institute).

What NSN replaces 4730-00-816-0764?

There are 12 known substitutes for 4730-00-816-0764: 4730-00-059-7220, 4730-00-202-8416, 8455-00-241-5444 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A1511?

Key specifications for A1511: Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS; Leg Length: 1.312 INCHES MAXIMUM THIRD END IN; Nominal Outside Diameter Tube Accommodated: 0.625 INCHES ALL ENDS IN; Material: COPPER ALLOY OR COPPER OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-816-0764 still in active supply?

NSN 4730-00-816-0764 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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