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Technical Data Sheet
PartsTable / COMPONENT / J511
J511 ✓ 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 SEMICONDUCTOR DEVICE,DIODE is a the manufacturer industrial component. Key specifications include material: SILICON SEMICONDUCTOR, leg_length: 0.570 INCHES NOMINAL ALL ENDS IN, seat_angle: 37.0 DEGREES ALL ENDS, thread_class: 3A ALL ENDS A, overall_length: 0.190 INCHES NOMINAL IN, connection_type: THREADED EXTERNAL TUBE ALL ENDS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-504-2669, 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
J511
NSN: 4730-00-504-2669
FSC: 4730
CAGE: 07482 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
materialSILICON SEMICONDUCTOR
leg_length0.570 INCHES NOMINAL ALL ENDS IN
seat_angle37.0 DEGREES ALL ENDS
thread_class3A ALL ENDS A
overall_length0.190 INCHES NOMINAL IN
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
mounting_methodTERMINAL
terminal_length0.500 INCHES MINIMUM IN
connection_styleFLARED (TUBE) ALL ENDS
special_featuresUSED ON GRUMMAN AIRCRAFT,MODEL A10
style_designatorFLARED W/ CENTER WRENCHING FACILITY
surface_treatmentPASSIVATE OVERALL
NSN4730-00-504-2669
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: J511 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5645 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL COMP 321 OVERALL
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
CONNECTION STYLE: FLARED (TUBE) ALL ENDS
•
NOMINAL THREAD SIZE: 0.438 INCHES ALL ENDS IN
•
STYLE DESIGNATOR: FLARED W/ CENTER WRENCHING FACILITY
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
•
LEG LENGTH: 0.570 INCHES NOMINAL ALL ENDS IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5645 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 321 OVERALL
CRITICALITY CODE JUSTIFICATIONFEAT
CONNECTION STYLEFLARED (TUBE) ALL ENDS
NOMINAL THREAD SIZE0.438 INCHES ALL ENDS IN
STYLE DESIGNATORFLARED W/ CENTER WRENCHING FACILITY
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
LEG LENGTH0.570 INCHES NOMINAL ALL ENDS IN
END ITEM IDENTIFICATION24F AIRCRAFT, THUNDEBOLT II, A-10;ENGINE, AIRCRAFT F-404
SEAT ANGLE37.000 DEGREES ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
10108396Interchangeable
interchangeable cross-reference
interchangeable
J511P103Interchangeable
interchangeable cross-reference
interchangeable
J511Interchangeable
interchangeable cross-reference
interchangeable
10159592Interchangeable
interchangeable cross-reference
interchangeable
J511P110Interchangeable
interchangeable cross-reference
interchangeable
300526040Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is J511?
J511 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace J511?
There are 8 known substitutes for J511: 10108396, J511P103, J511 and 5 more. Substitute compatibility should be verified for your specific system.
Is J511 still available?
J511 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