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Technical Data Sheet
PartsTable / COMPONENT / N9-845-193PC11
N9-845-193PC11 ✓ 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 special_features: AS DIFFERENTIATED BY QUALITY CONTROL IAW MIL-Q-9858. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-051-4675, 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
N9-845-193PC11
NSN: 4730-00-051-4675
FSC: 4730
CAGE: 43533 — MERRITT-CHAPMAN AND SCOTT CORP NEW YORK SHIPBUILDING CO DIV (USA)
SPECIFICATIONS
special_featuresAS DIFFERENTIATED BY QUALITY CONTROL IAW MIL-Q-9858
NSN4730-00-051-4675
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: N9-845-193PC11 · 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
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESAS DIFFERENTIATED BY QUALITY CONTROL IAW MIL-Q-9858
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
81.98126-0037Interchangeable
interchangeable cross-reference
interchangeable
81981260037Interchangeable
interchangeable cross-reference
interchangeable
503-4556027Interchangeable
interchangeable cross-reference
interchangeable
2670-57Interchangeable
interchangeable cross-reference
interchangeable
2670-57 ITEM 9Interchangeable
interchangeable cross-reference
interchangeable
5400-S2-8Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N9-845-193PC11?
N9-845-193PC11 is a COUPLING HALF,SELF-SEALING.
What parts can replace N9-845-193PC11?
There are 10 known substitutes for N9-845-193PC11: 81.98126-0037, 81981260037, 503-4556027 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N9-845-193PC11?
N9-845-193PC11 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-051-4675. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026