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018165-FI — FLANGE,PIPE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

018165-FI: FLANGE,PIPE.

The FLANGE,PIPE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 715, flange_length: 4.250 INCHES NOMINAL IN, special_features: MATERIAL COMPOSITION 70-30 COPPER NICKEL ALLOY; FLANGE IS A SOCKETWELD, style_designator: OVAL, ONE BOLT HOLE CIRCLE, bolt_hole_diameter: 3.125 INCHES NOMINAL IN, bolt_circle_diameter: 3.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-420-7950, 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
018165-FI
NSN: 4730-01-420-7950
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 0JC12 — BEC SYSTEMS LLC DBA BEC MACHINE PRODUCTS (USA)
SPECIFICATIONS
materialCOPPER ALLOY 715
flange_length4.250 INCHES NOMINAL IN
special_featuresMATERIAL COMPOSITION 70-30 COPPER NICKEL ALLOY; FLANGE IS A SOCKETWELD
style_designatorOVAL, ONE BOLT HOLE CIRCLE
bolt_hole_diameter3.125 INCHES NOMINAL IN
bolt_hole_quantity4
bolt_circle_diameter3.125 INCHES NOMINAL IN
flange_section_stylePLAIN FACE, SOCKET NECK
reducer_flange_hole_typeCONCENTRIC
material_document_and_classificationMIL-C-15726 MIL SPEC SINGLE MATERIAL RESPONSE
nominal_pipe_size_for_which_designed1.000 INCHES IN
NSN4730-01-420-7950
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 018165-FI · 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
•
NOMINAL PIPE SIZE FOR WHICH DESIGNED: 1.000 INCHES IN
•
FLANGE SECTION STYLE: PLAIN FACE, SOCKET NECK
•
STYLE DESIGNATOR: OVAL, ONE BOLT HOLE CIRCLE
•
BOLT HOLE DIAMETER: 3.125 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-C-15726 MIL SPEC SINGLE MATERIAL RESPONSE
•
FLANGE LENGTH: 4.250 INCHES NOMINAL IN
•
REDUCER FLANGE HOLE TYPE: CONCENTRIC
•
BOLT HOLE QUANTITY: 4
TECHNICAL CHARACTERISTICS
NOMINAL PIPE SIZE FOR WHICH DESIGNED1.000 INCHES IN
FLANGE SECTION STYLEPLAIN FACE, SOCKET NECK
STYLE DESIGNATOROVAL, ONE BOLT HOLE CIRCLE
BOLT HOLE DIAMETER3.125 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-C-15726 MIL SPEC SINGLE MATERIAL RESPONSE
FLANGE LENGTH4.250 INCHES NOMINAL IN
REDUCER FLANGE HOLE TYPECONCENTRIC
BOLT HOLE QUANTITY4
BOLT CIRCLE DIAMETER3.125 INCHES NOMINAL IN
SPECIAL FEATURESMATERIAL COMPOSITION 70-30 COPPER NICKEL ALLOY; FLANGE IS A SOCKETWELD
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 3
22144200Reference document
Same NSN cross-reference
Reference document — Secondary reference
22144200 1 INCH SW 250Reference document
Same NSN cross-reference
Reference document — Secondary reference
810-4715319Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 018165-FI?
018165-FI is a FLANGE,PIPE.
What parts can replace 018165-FI?
There are 3 known substitutes for 018165-FI: 22144200, 22144200 1 INCH SW 250, 810-4715319. Substitute compatibility should be verified for your specific system.
What is the NSN for 018165-FI?
018165-FI is cataloged in the U.S. Government catalog under NSN 4730-01-420-7950. This indicates validated use in U.S. government and defense supply chains.
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