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PartsTable / COMPONENT / 845-1889816REVGASSYAC
845-1889816REVGASSYAC ✓ 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

COUPLING ASSEMBLY,SOUND ISOLATIO. Key specifications include end_item_identification: 03N SHIP, B.FRANKLIN CLASS SSBN (POSEIDON)., general_characteristics_item_description: STEEL; 150 PSI WORKING PRESSURE, 1.000 IN. NPT PIPE THD ON ONE END, OTHER END FLANGED.

IN. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-177-3969, 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
845-1889816REVGASSYAC
NSN: 4730-01-177-3969
FSC: 4730
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
end_item_identification03N SHIP, B.FRANKLIN CLASS SSBN (POSEIDON).
general_characteristics_item_descriptionSTEEL; 150 PSI WORKING PRESSURE, 1.000 IN. NPT PIPE THD ON ONE END, OTHER END FLANGED. IN
NSN4730-01-177-3969
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 845-1889816REVGASSYAC · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL; 150 PSI WORKING PRESSURE, 1.000 IN. NPT PIPE THD ON ONE END, OTHER END FLANGED. IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL; 150 PSI WORKING PRESSURE, 1.000 IN. NPT PIPE THD ON ONE END, OTHER END FLANGED. IN
END ITEM IDENTIFICATION03N SHIP, B.FRANKLIN CLASS SSBN (POSEIDON).
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
14-97-0209Interchangeable
interchangeable cross-reference
interchangeable
2640-067Interchangeable
interchangeable cross-reference
interchangeable
2640-067EPC1T05-8Interchangeable
interchangeable cross-reference
interchangeable
69-103Interchangeable
interchangeable cross-reference
interchangeable
14-97-0210Interchangeable
interchangeable cross-reference
interchangeable
SS 845 1889816PC14-1INInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 845-1889816REVGASSYAC?
845-1889816REVGASSYAC is a COUPLING ASSEMBLY,SOUND ISOLATIO.
What parts can replace 845-1889816REVGASSYAC?
There are 8 known substitutes for 845-1889816REVGASSYAC: 14-97-0209, 2640-067, 2640-067EPC1T05-8 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 845-1889816REVGASSYAC?
845-1889816REVGASSYAC is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-177-3969. 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