PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W1146Adapter,straight,pipe to Tube

Mueller Brass Co. · NSN 4730-00-152-9916 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-152-9916 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-152-9916. Primary manufacturer part number: W1146.
Features
  • Adapter,straight,pipe to Tube — FSC 4730
  • Nominal Outside Diameter Tube Accommodated: 1.875 INCHES FIRST END IN
  • Thread Series Designator: NPT SECOND END
  • Connection Style: PLAIN (PIPE) SECOND END
  • Material Document and Classification: ASTM B75 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Connection Style: SOCKET (TUBE) FIRST END
  • Nominal Overall Length: 1.530 INCHES IN
  • Tubing Wall Nominal Thickness for Which Designed: 0.045 INCHES FIRST END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-00-152-9916, 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 7 commercial cross-references from 6 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
NSN4730-00-152-9916
Primary Part NumberW1146
Item NameAdapter,straight,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMueller Brass Co.
StatusCANCELLED
Nominal Outside Diameter Tube Accommodated1.875 INCHES FIRST END IN
Thread Series DesignatorNPT SECOND END
Connection StylePLAIN (PIPE) SECOND END
Material Document and ClassificationASTM B75 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Connection StyleSOCKET (TUBE) FIRST END
Nominal Overall Length1.530 INCHES IN
Tubing Wall Nominal Thickness for Which Designed0.045 INCHES FIRST END IN
MaterialCOPPER ALLOY OVERALL
Nominal Thread Size0.750 INCHES SECOND END IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5315-00-011-2526203372 INTERCHANGEABLE
Pin,cotter
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
3110-00-100-0801 INTERCHANGEABLE
Cup,tapered Roller Bearing
5310-00-209-3860 INTERCHANGEABLE
Washer,lock
4320-00-218-36994702P INTERCHANGEABLE
Ring,lantern
Curtiss-Wright Electro-Mechanical Corporation Div Epd
5999-00-257-355910434 INTERCHANGEABLE
Magnet,permanent
Naval Ship Systems Command
5120-00-277-9087W-1146 INTERCHANGEABLE
Wrench,adjustable
Ampco Partners, Ltd. Dba Ampco Safety Tools
5330-00-286-7054 INTERCHANGEABLE
Seal,plain Encased
5120-00-288-918310434 INTERCHANGEABLE
Extractor,tap
Walton Co the
5330-00-292-161214282 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5330-00-313-764618393 INTERCHANGEABLE
Gasket
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
Cross-Reference Index
Part NumberManufacturer
604-3-4 Nibco Inc (USA)
A-1526 Mueller Brass Co. (USA)
W1146 PRIMARY Mueller Brass Co. (USA)
11241578-2 Ballistic Missile Defense Systems Command (USA)
404 Kennecott Corp Chase Extrusions Div (USA)
5001-22 Raytheon Company Div Rmd Strategic (USA)
104-3/4 PRIMARY Elkhart Products Corp (USA)
Related Parts
5315-00-011-2526INTERCHANGEABLE
PIN,COTTER
203372
3110-00-100-0801INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
5310-00-209-3860INTERCHANGEABLE
WASHER,LOCK
4320-00-218-3699INTERCHANGEABLE
RING,LANTERN
4702P
5999-00-257-3559INTERCHANGEABLE
MAGNET,PERMANENT
10434
5120-00-277-9087INTERCHANGEABLE
WRENCH,ADJUSTABLE
W-1146
5330-00-286-7054INTERCHANGEABLE
SEAL,PLAIN ENCASED
5120-00-288-9183INTERCHANGEABLE
EXTRACTOR,TAP
10434
5330-00-292-1612INTERCHANGEABLE
SEAL,PLAIN ENCASED
14282
5330-00-313-7646INTERCHANGEABLE
GASKET
18393
2920-00-495-3349INTERCHANGEABLE
BRACKET,IGNITION CO
IG1798S
5910-00-521-7886INTERCHANGEABLE
CAPACITOR,FIXED,METALLIZED,PAPER
10434

Frequently Asked Questions

What is NSN 4730-00-152-9916?

NSN 4730-00-152-9916 is a Adapter,straight,pipe to Tube, manufactured by Mueller Brass Co., classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-152-9916?

NSN 4730-00-152-9916 has 7 cross-referenced part numbers: 604-3-4 (Nibco Inc), A-1526 (Mueller Brass Co.), W1146 (Mueller Brass Co.), 11241578-2 (Ballistic Missile Defense Systems Command), 404 (Kennecott Corp Chase Extrusions Div) and 2 more.

What NSN replaces 4730-00-152-9916?

There are 12 known substitutes for 4730-00-152-9916: 5315-00-011-2526, 3110-00-100-0801, 5310-00-209-3860 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of W1146?

Key specifications for W1146: Nominal Outside Diameter Tube Accommodated: 1.875 INCHES FIRST END IN; Thread Series Designator: NPT SECOND END; Connection Style: PLAIN (PIPE) SECOND END; Material Document and Classification: ASTM B75 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-152-9916 still in active supply?

NSN 4730-00-152-9916 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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