PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A03907NLFlange,pipe

Mueller Brass Co. · NSN 4730-00-184-7376 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-184-7376 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-184-7376. Primary manufacturer part number: A03907NL.
Features
  • Flange,pipe — FSC 4730
  • Flange Section Style: PLAIN FACE, SOCKET NECK
  • Material: COPPER ALLOY
  • Operating Pressure and Type: 150.0 POUNDS PER SQUARE INCH (PSI) GAS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
  • Style Designator: ROUND, ONE BOLT HOLE CIRCLE
  • Bolt Hole Quantity: 4
  • Socket Depth: 1.094 INCHES NOMINAL IN
  • Bolt Hole Diameter: 0.625 INCHES NOMINAL IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy construction
General Description

The Flange,pipe, cataloged under National Stock Number 4730-00-184-7376, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-184-7376
Primary Part NumberA03907NL
Item NameFlange,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMueller Brass Co.
StatusACTIVE
Flange Section StylePLAIN FACE, SOCKET NECK
MaterialCOPPER ALLOY
Operating Pressure and Type150.0 POUNDS PER SQUARE INCH (PSI) GAS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
Style DesignatorROUND, ONE BOLT HOLE CIRCLE
Bolt Hole Quantity4
Socket Depth1.094 INCHES NOMINAL IN
Bolt Hole Diameter0.625 INCHES NOMINAL IN
Thickness0.438 INCHES NOMINAL IN
Socket Diameter1.628 INCHES MINIMUM AND 1.632 INCHES MAXIMUM IN
Flange Diameter4.960 INCHES NOMINAL IN
Neck Height0.906 INCHES NOMINAL IN
Tube Outside Diameter for Which Designed1.625 INCHES NOMINAL IN
Face Seating Surface ConditionMACHINED
Bolt Circle Diameter3.875 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4330-00-192-87941A25A INTERCHANGEABLE
Filter,fluid
General Filters Inc
5315-00-815-8840 INTERCHANGEABLE
Pin,straight,headed
2920-01-145-4112 INTERCHANGEABLE
Relay-Solenoid,engine Starter,el
8030-01-682-1057F-900 INTERCHANGEABLE
Sealing Compound
Organic Products Company
Cross-Reference Index
Part NumberManufacturer
A3907 Mueller Brass Co. (USA)
771 11-2 INCH Nibco Inc (USA)
A03907NL PRIMARY Mueller Brass Co. (USA)
C-471 1-1/2 INCH PRIMARY Kennecott Corp Chase Brass Group Cleveland Mill Div (USA)
F900 Mueller Brass Co. (USA)
Related Parts
4330-00-192-8794INTERCHANGEABLE
FILTER,FLUID
1A25A
5315-00-815-8840INTERCHANGEABLE
PIN,STRAIGHT,HEADED
2920-01-145-4112INTERCHANGEABLE
RELAY-SOLENOID,ENGINE STARTER,EL
8030-01-682-1057INTERCHANGEABLE
SEALING COMPOUND
F-900

Frequently Asked Questions

What is NSN 4730-00-184-7376?

NSN 4730-00-184-7376 is a Flange,pipe, manufactured by Mueller Brass Co., classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-184-7376?

NSN 4730-00-184-7376 has 5 cross-referenced part numbers: A3907 (Mueller Brass Co.), 771 11-2 INCH (Nibco Inc), A03907NL (Mueller Brass Co.), C-471 1-1/2 INCH (Kennecott Corp Chase Brass Group Cleveland Mill Div), F900 (Mueller Brass Co.).

What NSN replaces 4730-00-184-7376?

There are 4 known substitutes for 4730-00-184-7376: 4330-00-192-8794, 5315-00-815-8840, 2920-01-145-4112 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A03907NL?

Key specifications for A03907NL: Flange Section Style: PLAIN FACE, SOCKET NECK; Material: COPPER ALLOY; Operating Pressure and Type: 150.0 POUNDS PER SQUARE INCH (PSI) GAS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS; Style Designator: ROUND, ONE BOLT HOLE CIRCLE. 14 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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