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S0254R6 ✓ 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

SEAL,CONICAL,FLARED TUBE FITTING. Key specifications include material: STEEL CORROSION RESISTING, body_length: 0.095 INCHES NOMINAL IN, wall_thickness: 0.010 INCHES NOMINAL IN, outside_diameter: 0.674 INCHES NOMINAL IN, special_features: PROCESSED FOR DIRECT OXYGEN SERVICE, style_designator: SEAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-267-1397, 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
S0254R6
NSN: 4730-01-267-1397
FSC: 4730
CAGE: 18355 — THE BOEING COMPANY (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
body_length0.095 INCHES NOMINAL IN
wall_thickness0.010 INCHES NOMINAL IN
outside_diameter0.674 INCHES NOMINAL IN
special_featuresPROCESSED FOR DIRECT OXYGEN SERVICE
style_designatorSEAL
seat_angle_in_deg37.0
surface_treatmentPASSIVATE
casehardening_indicatorNOT CASEHARDENED
hose/tube_outside_diameter_for_which_designed0.500 INCHES NOMINAL IN
NSN4730-01-267-1397
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: S0254R6 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
S254Interchangeable
interchangeable cross-reference
interchangeable
368424Interchangeable
interchangeable cross-reference
interchangeable
S0254Interchangeable
interchangeable cross-reference
interchangeable
VSF1015C32Interchangeable
interchangeable cross-reference
interchangeable
S0254C32Interchangeable
interchangeable cross-reference
interchangeable
SEC07C32Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S0254R6?
S0254R6 is a SEAL,CONICAL,FLARED TUBE FITTING.
What parts can replace S0254R6?
There are 15 known substitutes for S0254R6: S254, 368424, S0254 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S0254R6?
S0254R6 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-267-1397. 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