PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W1231Adapter,straight,pipe to Tube

Mueller Brass Co. · NSN 4730-00-702-8804 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-702-8804 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-702-8804. Primary manufacturer part number: W1231.
Features
  • Adapter,straight,pipe to Tube — FSC 4730
  • Nominal Overall Length: 1.365 INCHES IN
  • Material: COPPER ALLOY OR COPPER OVERALL
  • Connection Type: THREADED INTERNAL PIPE SECOND END
  • Connection Style: PLAIN (PIPE) SECOND END
  • Connection Style: PLAIN (TUBE) FIRST END
  • Nominal Outside Diameter Tube Accommodated: 0.625 INCHES FIRST END IN
  • Media for Which Designed: HYDRAULIC FLUID SINGLE RESPONSE
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy or Copper Overall construction
General Description

The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-00-702-8804, 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 9 commercial cross-references from 7 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
NSN4730-00-702-8804
Primary Part NumberW1231
Item NameAdapter,straight,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMueller Brass Co.
StatusCANCELLED
Nominal Overall Length1.365 INCHES IN
MaterialCOPPER ALLOY OR COPPER OVERALL
Connection TypeTHREADED INTERNAL PIPE SECOND END
Connection StylePLAIN (PIPE) SECOND END
Connection StylePLAIN (TUBE) FIRST END
Nominal Outside Diameter Tube Accommodated0.625 INCHES FIRST END IN
Media for Which DesignedHYDRAULIC FLUID SINGLE RESPONSE
Connection TypeUNTHREADED INTERNAL TUBE FIRST END
Thread Series DesignatorNPT SECOND END
Nondefinitive Spec/std DataI TYPE
Tubing Wall Nominal Thickness for Which Designed0.035 INCHES FIRST END IN
Operating Pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Thread Size0.500 INCHES SECOND END IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2915-00-051-72832001-4 INTERCHANGEABLE
Plante Assembly,gea
Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
4730-00-053-0624W-2388 INTERCHANGEABLE
Elbow,tube
Mueller Brass Co.
5360-00-136-4531 INTERCHANGEABLE
Spring
5133-00-189-9181 INTERCHANGEABLE
Drill,twist
5133-00-189-9249 INTERCHANGEABLE
Drill,twist
4730-00-265-7019 INTERCHANGEABLE
Cap,tube
4730-00-265-7020 INTERCHANGEABLE
Cap,tube
4730-00-289-1271 INTERCHANGEABLE
Elbow,tube
4730-00-359-7052W2131 INTERCHANGEABLE
Elbow,pipe to Tube
Mueller Brass Co.
3110-00-555-542911TA253 INTERCHANGEABLE
Bearing,ball,annular
Morris Material Handling, Inc.
Cross-Reference Index
Part NumberManufacturer
W1231 Mueller Brass Co. (USA)
603-1-21N Nibco Inc (USA)
74259A Air Products & Chemicals, Inc (USA)
WWT725 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
ASME B16.22 The American Society of Mechanical Engineers (USA)
75259A Air Products & Chemicals, Inc (USA)
B16-22-1951 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
B16-22 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
20-014 Imperial (USA)
Related Parts
2915-00-051-7283INTERCHANGEABLE
PLANTE ASSEMBLY,GEA
2001-4
4730-00-053-0624INTERCHANGEABLE
ELBOW,TUBE
W-2388
5360-00-136-4531INTERCHANGEABLE
SPRING
5133-00-189-9181INTERCHANGEABLE
DRILL,TWIST
5133-00-189-9249INTERCHANGEABLE
DRILL,TWIST
4730-00-265-7019INTERCHANGEABLE
CAP,TUBE
4730-00-265-7020INTERCHANGEABLE
CAP,TUBE
4730-00-289-1271INTERCHANGEABLE
ELBOW,TUBE
4730-00-359-7052INTERCHANGEABLE
ELBOW,PIPE TO TUBE
W2131
3110-00-555-5429INTERCHANGEABLE
BEARING,BALL,ANNULAR
11TA253
3441-00-670-4551INTERCHANGEABLE
PRESS BRAKE,POWER OPERATED
200-14
5310-00-682-5444INTERCHANGEABLE
WASHER,KEY

Frequently Asked Questions

What is NSN 4730-00-702-8804?

NSN 4730-00-702-8804 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 4730-00-702-8804?

NSN 4730-00-702-8804 has 9 cross-referenced part numbers: W1231 (Mueller Brass Co.), 603-1-21N (Nibco Inc), 74259A (Air Products & Chemicals, Inc), WWT725 (Federal Specifications Promulgated by General Services Administration Washington DC), ASME B16.22 (The American Society of Mechanical Engineers) and 4 more.

What NSN replaces 4730-00-702-8804?

There are 12 known substitutes for 4730-00-702-8804: 2915-00-051-7283, 4730-00-053-0624, 5360-00-136-4531 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of W1231?

Key specifications for W1231: Nominal Overall Length: 1.365 INCHES IN; Material: COPPER ALLOY OR COPPER OVERALL; Connection Type: THREADED INTERNAL PIPE SECOND END; Connection Style: PLAIN (PIPE) SECOND END. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-702-8804 still in active supply?

NSN 4730-00-702-8804 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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