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PartsTable / COMPONENT / WWF406CLASS125
WWF406CLASS125 ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The FLANGE,PIPE is a the manufacturer industrial component. Key specifications include material: IRON, thickness: 0.690 INCHES NOMINAL IN, neck_height: 0.375 INCHES NOMINAL IN, flange_diameter: 7.000 INCHES NOMINAL IN, style_designator: ROUND, ONE BOLT HOLE CIRCLE, bolt_hole_diameter: 0.750 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-193-6952, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
WWF406CLASS125
NSN: 4730-00-193-6952
FSC: 4730
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialIRON
thickness0.690 INCHES NOMINAL IN
neck_height0.375 INCHES NOMINAL IN
flange_diameter7.000 INCHES NOMINAL IN
style_designatorROUND, ONE BOLT HOLE CIRCLE
bolt_hole_diameter0.750 INCHES NOMINAL IN
bolt_hole_quantity4
nominal_thread_size2.000 INCHES IN
bolt_circle_diameter4.750 INCHES NOMINAL IN
flange_section_stylePLAIN FACE, RAISED NECK
thread_quantity_per_inch11-1/2
nondefinitive_spec/std_data5 TABLE
NSN4730-00-193-6952
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: WWF406CLASS125 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
BOLT HOLE DIAMETER: 0.750 INCHES NOMINAL IN
•
SPECIFICATION/STANDARD DATA: 80204-B16.1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
OPERATING PRESSURE AND TYPE: 125.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 175.0 POUNDS PER SQUARE INCH (PSI) GAS MAXIMUM REQUIRED AND 175.0 POUNDS PER SQUARE INCH (PSI) OIL MAXIMUM REQUIRED AND 175.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
•
NOMINAL THREAD SIZE: 2.000 INCHES IN
•
NONDEFINITIVE SPEC/STD DATA: 5 TABLE
•
STYLE DESIGNATOR: ROUND, ONE BOLT HOLE CIRCLE
•
SCREW THREAD SERIES DESIGNATOR: NPT
•
NOMINAL PIPE SIZE FOR WHICH DESIGNED: 2.000 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
BOLT HOLE DIAMETER0.750 INCHES NOMINAL IN
SPECIFICATION/STANDARD DATA80204-B16.1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
OPERATING PRESSURE AND TYPE125.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 175.0 POUNDS PER SQUARE INCH (PSI) GAS MAXIMUM REQUIRED AND 175.0 POUNDS PER SQUARE INCH (PSI) OIL MAXIMUM REQUIRED AND 175.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
NOMINAL THREAD SIZE2.000 INCHES IN
NONDEFINITIVE SPEC/STD DATA5 TABLE
STYLE DESIGNATORROUND, ONE BOLT HOLE CIRCLE
SCREW THREAD SERIES DESIGNATORNPT
NOMINAL PIPE SIZE FOR WHICH DESIGNED2.000 INCHES IN
FLANGE SECTION STYLEPLAIN FACE, RAISED NECK
FLANGE DIAMETER6.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
WW-F-406ACC03Interchangeable
interchangeable cross-reference
interchangeable
B16.1Interchangeable
interchangeable cross-reference
interchangeable
WWF406Interchangeable
interchangeable cross-reference
interchangeable
13218E0032-3Interchangeable
interchangeable cross-reference
interchangeable
0001415Interchangeable
interchangeable cross-reference
interchangeable
WW-F-406ACC07Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is WWF406CLASS125?
WWF406CLASS125 is a FLANGE,PIPE.
What parts can replace WWF406CLASS125?
There are 17 known substitutes for WWF406CLASS125: WW-F-406ACC03, B16.1, WWF406 and 14 more. Substitute compatibility should be verified for your specific system.
Is WWF406CLASS125 still available?
WWF406CLASS125 is currently cancelled.
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Last verified: July 2026