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Technical Data Sheet
PartsTable / COMPONENT / 3111802
3111802 ✓ 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 ADAPTER,STRAIGHT,TUBE TO BOSS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, seat_angle: 37.0 DEGREES ALL ENDS, thread_class: 3A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE ALL ENDS, connection_style: FLARED W/ GASKET SEAL (BOSS) ALL ENDS, special_features: CENTER WRENCHING FACILITY SUITABLE FOR GASKET APPLICATION. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-278-3242, 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
3111802
NSN: 4730-00-278-3242
FSC: 4730
CAGE: S4956 — EMBRAER EMPRESA BRASILEIRA DE AERONAUTICA SA (BRA)
SPECIFICATIONS
materialSTEEL OVERALL
seat_angle37.0 DEGREES ALL ENDS
thread_class3A ALL ENDS A
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
connection_styleFLARED W/ GASKET SEAL (BOSS) ALL ENDS
special_featuresCENTER WRENCHING FACILITY SUITABLE FOR GASKET APPLICATION
style_designatorFLARED W/ CENTER WRENCHING FACILITY
surface_treatmentCADMIUM OUTSIDE
nominal_thread_size0.438 INCHES ALL ENDS IN
nominal_overall_length1.250 INCHES IN
end_item_identificationGRUMMAN AIRCRAFT CORP, A-10 AIRCRAFT MODEL
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
NSN4730-00-278-3242
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 3111802 · 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 16
8154Interchangeable
interchangeable cross-reference
interchangeable
D15-460MPC269-270Interchangeable
interchangeable cross-reference
interchangeable
D15-615LPC269-270Interchangeable
interchangeable cross-reference
interchangeable
MS24392-4Interchangeable
interchangeable cross-reference
interchangeable
AN815-4Interchangeable
interchangeable cross-reference
interchangeable
8 T1Z(.250)Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3111802?
3111802 is a ADAPTER,STRAIGHT,TUBE TO BOSS.
What parts can replace 3111802?
There are 16 known substitutes for 3111802: 8154, D15-460MPC269-270, D15-615LPC269-270 and 13 more. Substitute compatibility should be verified for your specific system.
Is 3111802 still available?
3111802 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