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Technical Data Sheet
PartsTable / COMPONENT / SEC07-N-3
SEC07-N-3 ✓ 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, body_length: 0.050 INCHES NOMINAL IN, overall_length: 0.138 INCHES MINIMUM AND 0.173 INCHES MAXIMUM IN, wall_thickness: 0.018 INCHES NOMINAL IN, outside_diameter: 0.330 INCHES NOMINAL IN, special_features: WEAPON SYSTEM ESSENTIAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-133-6599, 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
SEC07-N-3
NSN: 4730-01-133-6599
FSC: 4730
CAGE: 33447 — SECO SEALS, INC (USA)
SPECIFICATIONS
materialSTEEL
body_length0.050 INCHES NOMINAL IN
overall_length0.138 INCHES MINIMUM AND 0.173 INCHES MAXIMUM IN
wall_thickness0.018 INCHES NOMINAL IN
outside_diameter0.330 INCHES NOMINAL IN
special_featuresWEAPON SYSTEM ESSENTIAL
style_designatorSEAL
seat_angle_in_deg37.0
casehardening_indicatorNOT CASEHARDENED
end_item_identificationA-6E INTRUDER AIRCRAFT. F100 PW200 AIRCRAFT ENGINE (F-15C/D/E). AGM-86B AIR LAUNCH CRUISE MISSLE (ALCM)
criticality_code_justificationFEAT
hose/tube_outside_diameter_for_which_designed0.188 INCHES NOMINAL IN
NSN4730-01-133-6599
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: SEC07-N-3 · 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
•
OUTSIDE DIAMETER: 0.330 INCHES NOMINAL IN
•
HOSE/TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 0.188 INCHES NOMINAL IN
•
SEAT ANGLE IN DEG: 37.0
•
STYLE DESIGNATOR: SEAL
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER0.330 INCHES NOMINAL IN
HOSE/TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED0.188 INCHES NOMINAL IN
SEAT ANGLE IN DEG37.0
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
STYLE DESIGNATORSEAL
CRITICALITY CODE JUSTIFICATIONFEAT
END ITEM IDENTIFICATIONA-6E INTRUDER AIRCRAFT. F100 PW200 AIRCRAFT ENGINE (F-15C/D/E). AGM-86B AIR LAUNCH CRUISE MISSLE (ALCM)
MATERIALSTEEL
OVERALL LENGTH0.138 INCHES MINIMUM AND 0.173 INCHES MAXIMUM IN
WALL THICKNESS0.018 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
29092Interchangeable
interchangeable cross-reference
interchangeable
6804Interchangeable
interchangeable cross-reference
interchangeable
VSF1015N4Interchangeable
interchangeable cross-reference
interchangeable
7N4Interchangeable
interchangeable cross-reference
interchangeable
10630103-85Interchangeable
interchangeable cross-reference
interchangeable
SEC07C4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SEC07-N-3?
SEC07-N-3 is a SEAL,CONICAL,FLARED TUBE FITTING.
What parts can replace SEC07-N-3?
There are 19 known substitutes for SEC07-N-3: 29092, 6804, VSF1015N4 and 16 more. Substitute compatibility should be verified for your specific system.
Is SEC07-N-3 still available?
SEC07-N-3 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026