PartsTable
Technical Data Sheet
S3754-12E ✓ 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,PIPE TO BOSS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, flow_angle: 45.0 DEGREES, leg_length: 1.188 INCHES NOMINAL SECOND END IN, seat_angle: 37.0 DEGREES FIRST END, thread_class: 3A FIRST END A, connection_type: THREADED EXTERNAL PIPE SECOND END. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-231-3964, 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
S3754-12E
NSN: 4730-00-231-3964
FSC: 4730
CAGE: 36655 — FAIRVIEW FITTINGS AND MFG LTD (CAN)
SPECIFICATIONS
materialSTEEL OVERALL
flow_angle45.0 DEGREES
leg_length1.188 INCHES NOMINAL SECOND END IN
seat_angle37.0 DEGREES FIRST END
thread_class3A FIRST END A
connection_typeTHREADED EXTERNAL PIPE SECOND END
connection_styleFLARED (TUBE) FIRST END
surface_treatmentCADMIUM OUTSIDE
nominal_thread_size1.062 INCHES FIRST END IN
end_item_identificationAIRCRAFT APPLICATION
thread_quantity_per_inch12 FIRST END
thread_series_designatorNPT SECOND END
NSN4730-00-231-3964
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: S3754-12E · 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
CONNECTION STYLE: PLAIN (PIPE) SECOND END
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OUTSIDE
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL JOINT (UNJ) FIRST END
SPECIFICATION/STANDARD DATA: 96906-MS20823 GOVERNMENT STANDARD
NOMINAL THREAD SIZE: 1.062 INCHES FIRST END IN
LEG LENGTH: 1.266 INCHES NOMINAL FIRST END IN
FLOW ANGLE: 45.0 DEGREES
SEAT ANGLE: 37.0 DEGREES FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLEPLAIN (PIPE) SECOND END
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OUTSIDE
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT (UNJ) FIRST END
SPECIFICATION/STANDARD DATA96906-MS20823 GOVERNMENT STANDARD
NOMINAL THREAD SIZE1.062 INCHES FIRST END IN
LEG LENGTH1.266 INCHES NOMINAL FIRST END IN
FLOW ANGLE45.0 DEGREES
SEAT ANGLE37.0 DEGREES FIRST END
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE INSIDE
THREAD CLASS3A FIRST END A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
A6909Interchangeable
interchangeable cross-reference
interchangeable
7-445-121245Interchangeable
interchangeable cross-reference
interchangeable
102-0195Interchangeable
interchangeable cross-reference
interchangeable
2503-12-12Interchangeable
interchangeable cross-reference
interchangeable
AS4842/1Interchangeable
interchangeable cross-reference
interchangeable
AS5196-0302Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S3754-12E?
S3754-12E is a ADAPTER,STRAIGHT,PIPE TO BOSS.
What parts can replace S3754-12E?
There are 20 known substitutes for S3754-12E: A6909, 7-445-121245, 102-0195 and 17 more. Substitute compatibility should be verified for your specific system.
Is S3754-12E still available?
S3754-12E is currently cancelled.
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