PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-1622Adapter,straight,pipe to Tube

Mueller Brass Co. · NSN 4730-01-016-3007 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-016-3007 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-016-3007. Primary manufacturer part number: A-1622.
Features
  • Adapter,straight,pipe to Tube — FSC 4730
  • Connection Type: THREADED INTERNAL PIPE SECOND END
  • Thread Series Designator: NPT SECOND END
  • Nominal Thread Size: 1.250 INCHES SECOND END IN
  • Connection Style: PLAIN (TUBE) FIRST END
  • Connection Type: UNTHREADED INTERNAL TUBE FIRST END
  • Tubing Wall Nominal Thickness for Which Designed: 0.120 INCHES ALL ENDS IN
  • Nominal Outside Diameter Tube Accommodated: 1.375 INCHES ALL ENDS IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Overall construction
General Description

The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-01-016-3007, 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 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: Active.

Technical Specifications
ParameterValue
NSN4730-01-016-3007
Primary Part NumberA-1622
Item NameAdapter,straight,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMueller Brass Co.
StatusACTIVE
Connection TypeTHREADED INTERNAL PIPE SECOND END
Thread Series DesignatorNPT SECOND END
Nominal Thread Size1.250 INCHES SECOND END IN
Connection StylePLAIN (TUBE) FIRST END
Connection TypeUNTHREADED INTERNAL TUBE FIRST END
Tubing Wall Nominal Thickness for Which Designed0.120 INCHES ALL ENDS IN
Nominal Outside Diameter Tube Accommodated1.375 INCHES ALL ENDS IN
MaterialCOPPER OVERALL
Connection StylePLAIN (PIPE) SECOND END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6610-00-019-5426A1622 INTERCHANGEABLE
Bi-Metal Assembly
Aerosonic Llc
4730-00-059-7220 INTERCHANGEABLE
Coupling,tube
5998-00-070-00855329-1 INTERCHANGEABLE
Holder,printed Circuit Board
Rockwell Collins, Inc. Dba Rc Displays Systems
4730-00-202-8416 INTERCHANGEABLE
Elbow,pipe to Tube
5310-00-220-656510DDA39 INTERCHANGEABLE
Washer,flat
Fwd Seagrave Holdings Lp
4730-00-289-4825 INTERCHANGEABLE
Coupling,tube
3455-00-289-837053-10007 INTERCHANGEABLE
Cutter,milling,shell End
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
4730-00-328-5229B16.18 1 1/4X1X3/4 INTERCHANGEABLE
Tee,tube
The American Society of Mechanical Engineers
4730-00-614-6051 INTERCHANGEABLE
Tee,pipe to Tube
4730-00-689-8534 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Cross-Reference Index
Part NumberManufacturer
A-1622 Mueller Brass Co. (USA)
703-1-1-4 Nibco Inc (USA)
B16.18 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
Related Parts
6610-00-019-5426INTERCHANGEABLE
BI-METAL ASSEMBLY
A1622
4730-00-059-7220INTERCHANGEABLE
COUPLING,TUBE
5998-00-070-0085INTERCHANGEABLE
HOLDER,PRINTED CIRCUIT BOARD
5329-1
4730-00-202-8416INTERCHANGEABLE
ELBOW,PIPE TO TUBE
5310-00-220-6565INTERCHANGEABLE
WASHER,FLAT
10DDA39
4730-00-289-4825INTERCHANGEABLE
COUPLING,TUBE
3455-00-289-8370INTERCHANGEABLE
CUTTER,MILLING,SHELL END
53-10007
4730-00-328-5229INTERCHANGEABLE
TEE,TUBE
B16.18 1 1/4X1X3/4
4730-00-614-6051INTERCHANGEABLE
TEE,PIPE TO TUBE
4730-00-689-8534INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
6610-00-790-6714INTERCHANGEABLE
INCLINOMETERANDRETA
A1622
4730-00-816-0764INTERCHANGEABLE
TEE,TUBE
A1511

Frequently Asked Questions

What is NSN 4730-01-016-3007?

NSN 4730-01-016-3007 is a Adapter,straight,pipe to Tube, manufactured by Mueller Brass Co., classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-016-3007?

NSN 4730-01-016-3007 has 3 cross-referenced part numbers: A-1622 (Mueller Brass Co.), 703-1-1-4 (Nibco Inc), B16.18 (American National Standards Institute Incorporated Dba American National Standards Institute).

What NSN replaces 4730-01-016-3007?

There are 12 known substitutes for 4730-01-016-3007: 6610-00-019-5426, 4730-00-059-7220, 5998-00-070-0085 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-1622?

Key specifications for A-1622: Connection Type: THREADED INTERNAL PIPE SECOND END; Thread Series Designator: NPT SECOND END; Nominal Thread Size: 1.250 INCHES SECOND END IN; Connection Style: PLAIN (TUBE) FIRST END. 9 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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