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3674 3IN — FLANGE,PIPE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

3674 3IN: FLANGE,PIPE.

The FLANGE,PIPE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, thickness: 0.625 INCHES NOMINAL IN, neck_height: 1.219 INCHES NOMINAL IN, bore_diameter: 3.312 INCHES NOMINAL IN, flange_diameter: 7.500 INCHES NOMINAL IN, socket_diameter: 3.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-252-3510, 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
3674 3IN
NSN: 4730-00-252-3510
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 63686 — THE WALWORTH COMPANY (USA)
SPECIFICATIONS
materialCOPPER ALLOY
thickness0.625 INCHES NOMINAL IN
neck_height1.219 INCHES NOMINAL IN
bore_diameter3.312 INCHES NOMINAL IN
flange_diameter7.500 INCHES NOMINAL IN
socket_diameter3.500 INCHES NOMINAL IN
style_designatorROUND, ONE BOLT HOLE CIRCLE
bolt_hole_diameter0.750 INCHES NOMINAL IN
bolt_hole_quantity4
bolt_circle_diameter6.000 INCHES NOMINAL IN
flange_section_stylePLAIN FACE, SOCKET BRAZING NECK
operating_pressure_and_type150.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
NSN4730-00-252-3510
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 3674 3IN · 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
•
SOCKET DIAMETER: 3.500 INCHES NOMINAL IN
•
FLANGE DIAMETER: 7.500 INCHES NOMINAL IN
•
FACE SEATING SURFACE CONDITION: MACHINED
•
NOMINAL PIPE SIZE FOR WHICH DESIGNED: 3.000 INCHES IN
•
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED: 450.0 FAHRENHEIT STEAM DEGF
•
OPERATING PRESSURE AND TYPE: 150.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
•
FLANGE SECTION STYLE: PLAIN FACE, SOCKET BRAZING NECK
•
STYLE DESIGNATOR: ROUND, ONE BOLT HOLE CIRCLE
TECHNICAL CHARACTERISTICS
SOCKET DIAMETER3.500 INCHES NOMINAL IN
FLANGE DIAMETER7.500 INCHES NOMINAL IN
FACE SEATING SURFACE CONDITIONMACHINED
NOMINAL PIPE SIZE FOR WHICH DESIGNED3.000 INCHES IN
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED450.0 FAHRENHEIT STEAM DEGF
OPERATING PRESSURE AND TYPE150.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
FLANGE SECTION STYLEPLAIN FACE, SOCKET BRAZING NECK
STYLE DESIGNATORROUND, ONE BOLT HOLE CIRCLE
BOLT HOLE DIAMETER0.750 INCHES NOMINAL IN
NECK HEIGHT1.219 INCHES NOMINAL IN
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3674 3IN?
3674 3IN is a FLANGE,PIPE.
What is the NSN for 3674 3IN?
3674 3IN is cataloged in the U.S. Government catalog under NSN 4730-00-252-3510. This indicates validated use in U.S. government and defense supply chains.
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