PartsTable
Technical Data Sheet
140S2-8D ✓ 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 COUPLING HALF,SELF-SEALING is a the manufacturer industrial component. Key specifications include material: STEEL BODY, seat_angle: 37.0 DEGREES LOCATION NOT OTHERWISE SPECIFIED, thread_class: 3A ALL ENDS A, overall_length: 2.488 INCHES MINIMUM AND 2.558 INCHES MAXIMUM IN, connection_type: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION, connection_style: FLARED ALL ENDS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-202-9400, 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
140S2-8D
NSN: 4730-00-202-9400
FSC: 4730
CAGE: 00624 — EATON AEROQUIP LLC DBA JACKSON NORTH 1 DIV FLUID AND ELECTRICAL DISTRIBUTION (USA)
SPECIFICATIONS
materialSTEEL BODY
seat_angle37.0 DEGREES LOCATION NOT OTHERWISE SPECIFIED
thread_class3A ALL ENDS A
overall_length2.488 INCHES MINIMUM AND 2.558 INCHES MAXIMUM IN
connection_typeTHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
connection_styleFLARED ALL ENDS
style_designatorMALE COUPLING HALF
features_providedSELF-SEALING
surface_treatmentCADMIUM BODY
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.750 INCHES ALL ENDS IN
thread_series_designatorUNF ALL ENDS
NSN4730-00-202-9400
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 140S2-8D · 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
OPERATING PRESSURE: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MATERIAL: STEEL BODY
THREAD SERIES DESIGNATOR: UNF ALL ENDS
SEAT ANGLE: 37.0 DEGREES LOCATION NOT OTHERWISE SPECIFIED
FEATURES PROVIDED: SELF-SEALING
CONNECTION STYLE: FLARED ALL ENDS
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
THREAD CLASS: 3A ALL ENDS A
TECHNICAL CHARACTERISTICS (FLIS)
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MATERIALSTEEL BODY
THREAD SERIES DESIGNATORUNF ALL ENDS
SEAT ANGLE37.0 DEGREES LOCATION NOT OTHERWISE SPECIFIED
FEATURES PROVIDEDSELF-SEALING
CONNECTION STYLEFLARED ALL ENDS
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
THREAD CLASS3A ALL ENDS A
OVERALL LENGTH2.488 INCHES MINIMUM AND 2.558 INCHES MAXIMUM IN
NOMINAL THREAD SIZE0.750 INCHES ALL ENDS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
MIL-C-5502Interchangeable
interchangeable cross-reference
interchangeable
AN6221-8Interchangeable
interchangeable cross-reference
interchangeable
140-S1-8DInterchangeable
interchangeable cross-reference
interchangeable
157-6DInterchangeable
interchangeable cross-reference
interchangeable
157-6Interchangeable
interchangeable cross-reference
interchangeable
AN6220-16Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 140S2-8D?
140S2-8D is a COUPLING HALF,SELF-SEALING.
What parts can replace 140S2-8D?
There are 8 known substitutes for 140S2-8D: MIL-C-5502, AN6221-8, 140-S1-8D and 5 more. Substitute compatibility should be verified for your specific system.
Is 140S2-8D still available?
140S2-8D is currently cancelled.
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