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Technical Data Sheet
PartsTable / COMPONENT / 12CL
12CL ✓ 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 ASSEMBLY,HOSE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, overall_length: 1.734 INCHES NOMINAL IN, special_features: ATTACHED STEEL GRIPPINGDEVICE,ZINC PLATED, nondefinitive_spec/std_data: 1 CLASS AND 5/8 SIZE AND 2 TYPE, hose_inside_diameter_for_which_designed: 0.625 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-202-8304, 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
12CL
NSN: 4730-00-202-8304
FSC: 4730
CAGE: 77860 — SHERMAN H B MFG CO DIV OF DAYTON-WALTHER CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY
overall_length1.734 INCHES NOMINAL IN
special_featuresATTACHED STEEL GRIPPINGDEVICE,ZINC PLATED
nondefinitive_spec/std_data1 CLASS AND 5/8 SIZE AND 2 TYPE
hose_inside_diameter_for_which_designed0.625 INCHES NOMINAL IN
NSN4730-00-202-8304
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 12CL · 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
•
HOSE INSIDE DIAMETER FOR WHICH DESIGNED: 0.625 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY
•
NONDEFINITIVE SPEC/STD DATA: 1 CLASS AND 5/8 SIZE AND 2 TYPE
TECHNICAL CHARACTERISTICS (FLIS)
HOSE INSIDE DIAMETER FOR WHICH DESIGNED0.625 INCHES NOMINAL IN
MATERIALCOPPER ALLOY
SPECIAL FEATURESATTACHED STEEL GRIPPINGDEVICE,ZINC PLATED
OVERALL LENGTH1.734 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATA1 CLASS AND 5/8 SIZE AND 2 TYPE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
WW-C-1692Interchangeable
interchangeable cross-reference
interchangeable
A-A-2921Interchangeable
interchangeable cross-reference
interchangeable
AA2921I2BInterchangeable
interchangeable cross-reference
interchangeable
226-ZInterchangeable
interchangeable cross-reference
interchangeable
AA2921C2AInterchangeable
interchangeable cross-reference
interchangeable
234C3-4HOSEInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12CL?
12CL is a COUPLING ASSEMBLY,HOSE.
What parts can replace 12CL?
There are 14 known substitutes for 12CL: WW-C-1692, A-A-2921, AA2921I2B and 11 more. Substitute compatibility should be verified for your specific system.
Is 12CL still available?
12CL 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