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Technical Data Sheet
PartsTable / COMPONENT / 3250-4518
3250-4518 ✓ 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 SPACER,FLEXIBLE,PIPELINE is a the manufacturer industrial component. Key specifications include material: RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR AND PLASTIC POLYESTER AND RUBBER NEOPRENE, thickness: 0.625 INCHES NOMINAL IN, body_length: 16.500 INCHES NOMINAL IN, flange_height: 2.062 INCHES NOMINAL IN, inside_diameter: 6.000 INCHES NOMINAL IN, flange_thickness: 0.750 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 4730-00-192-8898, 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
3250-4518
NSN: 4730-00-192-8898
FSC: 4730
CAGE: 56033 — UNAFLEX INC. (USA)
SPECIFICATIONS
materialRUBBER ISOBUTYLENE-ISOPRENE CLASS IIR AND PLASTIC POLYESTER AND RUBBER NEOPRENE
thickness0.625 INCHES NOMINAL IN
body_length16.500 INCHES NOMINAL IN
flange_height2.062 INCHES NOMINAL IN
inside_diameter6.000 INCHES NOMINAL IN
flange_thickness0.750 INCHES NOMINAL IN
outside_diameter10.125 INCHES NOMINAL IN
special_featuresFLANGE HAS 12 0.688 IN. DIA HOLES ON A 8.875 IN. IN. BOLT CIRCLE DIA AND FURNISHED WITH 8 180 DEG SEGMENTED RETAINING RINGS IN
style_designatorROUND
fabrication_methodMOLDED
NSN4730-00-192-8898
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 3250-4518 · 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
•
FLANGE HEIGHT: 2.062 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND
•
THICKNESS: 0.625 INCHES NOMINAL IN
•
MATERIAL: RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR AND PLASTIC POLYESTER AND RUBBER NEOPRENE
•
OUTSIDE DIAMETER: 10.125 INCHES NOMINAL IN
•
BODY LENGTH: 16.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
FLANGE HEIGHT2.062 INCHES NOMINAL IN
SPECIAL FEATURESFLANGE HAS 12 0.688 IN. DIA HOLES ON A 8.875 IN. IN. BOLT CIRCLE DIA AND FURNISHED WITH 8 180 DEG SEGMENTED RETAINING RINGS IN
STYLE DESIGNATORROUND
THICKNESS0.625 INCHES NOMINAL IN
MATERIALRUBBER ISOBUTYLENE-ISOPRENE CLASS IIR AND PLASTIC POLYESTER AND RUBBER NEOPRENE
OUTSIDE DIAMETER10.125 INCHES NOMINAL IN
FLANGE HEIGHT2.062 INCHES NOMINAL IN
BODY LENGTH16.500 INCHES NOMINAL IN
THICKNESS0.625 INCHES NOMINAL IN
INSIDE DIAMETER6.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
3150NN05NInterchangeable
interchangeable cross-reference
interchangeable
3150-4418Interchangeable
interchangeable cross-reference
interchangeable
3150NN05X18NInterchangeable
interchangeable cross-reference
interchangeable
75-0824-22FPInterchangeable
interchangeable cross-reference
interchangeable
3150-4624Interchangeable
interchangeable cross-reference
interchangeable
FP-075188Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3250-4518?
3250-4518 is a SPACER,FLEXIBLE,PIPELINE.
What parts can replace 3250-4518?
There are 23 known substitutes for 3250-4518: 3150NN05N, 3150-4418, 3150NN05X18N and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3250-4518?
3250-4518 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-192-8898. 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