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Technical Data Sheet
PartsTable / COMPONENT / 8701184-01
8701184-01 ✓ 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: 0.438 INCHES NOMINAL IN, neck_height: 0.312 INCHES NOMINAL IN, flange_diameter: 4.500 INCHES NOMINAL IN, style_designator: ROUND, ONE BOLT HOLE CIRCLE, bolt_hole_diameter: 0.562 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-256-8586, 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
8701184-01
NSN: 4730-00-256-8586
FSC: 4730
CAGE: 71871 — ALFA LAVAL INC (USA)
SPECIFICATIONS
materialIRON
thickness0.438 INCHES NOMINAL IN
neck_height0.312 INCHES NOMINAL IN
flange_diameter4.500 INCHES NOMINAL IN
style_designatorROUND, ONE BOLT HOLE CIRCLE
bolt_hole_diameter0.562 INCHES NOMINAL IN
bolt_hole_quantity4
nominal_thread_size1.250 INCHES IN
bolt_circle_diameter3.375 INCHES NOMINAL IN
flange_section_stylePLAIN FACE, RAISED NECK
thread_quantity_per_inch11-1/2
operating_pressure_and_type100.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
NSN4730-00-256-8586
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 8701184-01 · 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
•
NECK HEIGHT: 0.312 INCHES NOMINAL IN
•
BOLT HOLE DIAMETER: 0.562 INCHES NOMINAL IN
•
NOMINAL PIPE SIZE FOR WHICH DESIGNED: 1.250 INCHES IN
•
BOLT HOLE QUANTITY: 4
•
NOMINAL THREAD SIZE: 1.250 INCHES IN
•
MATERIAL: IRON
•
STYLE DESIGNATOR: ROUND, ONE BOLT HOLE CIRCLE
•
OPERATING PRESSURE AND TYPE: 100.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
TECHNICAL CHARACTERISTICS (FLIS)
NECK HEIGHT0.312 INCHES NOMINAL IN
BOLT HOLE DIAMETER0.562 INCHES NOMINAL IN
NOMINAL PIPE SIZE FOR WHICH DESIGNED1.250 INCHES IN
BOLT HOLE QUANTITY4
NOMINAL THREAD SIZE1.250 INCHES IN
MATERIALIRON
STYLE DESIGNATORROUND, ONE BOLT HOLE CIRCLE
OPERATING PRESSURE AND TYPE100.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
BOLT CIRCLE DIAMETER3.375 INCHES NOMINAL IN
SCREW THREAD SERIES DESIGNATORNPT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
51363Interchangeable
interchangeable cross-reference
interchangeable
D422-0-B3Interchangeable
interchangeable cross-reference
interchangeable
33303Interchangeable
interchangeable cross-reference
interchangeable
S6301-313108Interchangeable
interchangeable cross-reference
interchangeable
455014Interchangeable
interchangeable cross-reference
interchangeable
60G105Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8701184-01?
8701184-01 is a FLANGE,PIPE.
What parts can replace 8701184-01?
There are 12 known substitutes for 8701184-01: 51363, D422-0-B3, 33303 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8701184-01?
8701184-01 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-256-8586. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026