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SEC07C4 ✓ 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: COPPER ALLOY, body_length: 0.075 INCHES NOMINAL IN, wall_thickness: 0.005 INCHES NOMINAL IN, outside_diameter: 0.359 INCHES NOMINAL IN, special_features: NOT LOX CLEANED, style_designator: SEAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-839-1720, 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
SEC07C4
NSN: 4730-00-839-1720
FSC: 4730
CAGE: 33447 — SECO SEALS, INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY
body_length0.075 INCHES NOMINAL IN
wall_thickness0.005 INCHES NOMINAL IN
outside_diameter0.359 INCHES NOMINAL IN
special_featuresNOT LOX CLEANED
style_designatorSEAL
seat_angle_in_deg37.0
casehardening_indicatorNOT CASEHARDENED
hose/tube_outside_diameter_for_which_designed0.250 INCHES NOMINAL IN
NSN4730-00-839-1720
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: SEC07C4 · 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 19
VSF1015N4Interchangeable
interchangeable cross-reference
interchangeable
7N4Interchangeable
interchangeable cross-reference
interchangeable
10630103-85Interchangeable
interchangeable cross-reference
interchangeable
DY90-C-4Interchangeable
interchangeable cross-reference
interchangeable
VSF1015C4SPInterchangeable
interchangeable cross-reference
interchangeable
4730009987372Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SEC07C4?
SEC07C4 is a SEAL,CONICAL,FLARED TUBE FITTING.
What parts can replace SEC07C4?
There are 19 known substitutes for SEC07C4: VSF1015N4, 7N4, 10630103-85 and 16 more. Substitute compatibility should be verified for your specific system.
Is SEC07C4 still available?
SEC07C4 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026