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Technical Data Sheet
PartsTable / COMPONENT / 1031J12A
1031J12A ✓ 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,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY BODY, overall_length: 1.910 INCHES NOMINAL IN, connection_type: INTERNAL QUICK DISCONNECT ALL ENDS, connection_style: PLAIN ALL ENDS, style_designator: MALE COUPLING HALF, surface_treatment: ANODIZE BODY. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-640-5748, 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
1031J12A
NSN: 4730-00-640-5748
FSC: 4730
CAGE: 86831 — SAFRAN ELECTRONICS & DEFENSE, AVIONICS USA, LLC DBA USE CAGE CODE 879B2 FOR CATALOGING (USA)
SPECIFICATIONS
materialALUMINUM ALLOY BODY
overall_length1.910 INCHES NOMINAL IN
connection_typeINTERNAL QUICK DISCONNECT ALL ENDS
connection_stylePLAIN ALL ENDS
style_designatorMALE COUPLING HALF
surface_treatmentANODIZE BODY
nominal_thread_size0.750 INCHES ALL ENDS IN
quick_disconnect_methodPUSH-PULL ALL ENDS
thread_series_designatorNPT ALL ENDS
nominal_pipe_size_accommodated0.750 INCHES ALL ENDS IN
NSN4730-00-640-5748
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 1031J12A · 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 ALL ENDS
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.750 INCHES ALL ENDS IN
•
MATERIAL: ALUMINUM ALLOY BODY
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
•
CONNECTION TYPE: INTERNAL QUICK DISCONNECT ALL ENDS
•
QUICK DISCONNECT METHOD: PUSH-PULL ALL ENDS
•
NOMINAL THREAD SIZE: 0.750 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLEPLAIN ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES ALL ENDS IN
MATERIALALUMINUM ALLOY BODY
THREAD SERIES DESIGNATORNPT ALL ENDS
OVERALL LENGTH1.910 INCHES NOMINAL IN
CONNECTION TYPEINTERNAL QUICK DISCONNECT ALL ENDS
QUICK DISCONNECT METHODPUSH-PULL ALL ENDS
NOMINAL THREAD SIZE0.750 INCHES ALL ENDS IN
CONNECTION TYPETHREADED INTERNAL PIPE FIRST FLUID END CONNECTION
SURFACE TREATMENTANODIZE BODY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
256-100009-001Interchangeable
interchangeable cross-reference
interchangeable
103-112Interchangeable
interchangeable cross-reference
interchangeable
889488-2Interchangeable
interchangeable cross-reference
interchangeable
350-B-1Interchangeable
interchangeable cross-reference
interchangeable
B1031-12Interchangeable
interchangeable cross-reference
interchangeable
10311-02Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1031J12A?
1031J12A is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace 1031J12A?
There are 10 known substitutes for 1031J12A: 256-100009-001, 103-112, 889488-2 and 7 more. Substitute compatibility should be verified for your specific system.
Is 1031J12A still available?
1031J12A 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