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Technical Data Sheet
PartsTable / COMPONENT / 7648176-1
7648176-1 ✓ 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 CORROSION RESISTING OVERALL, thread_class: 2A SECOND END A, connection_type: THREADED EXTERNAL PIPE FIRST END, connection_style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END, special_features: 316L STAINLESS STEEL; BOSS END ALSO HAS O'RING FACE SEAL GROOVE, operating_pressure: 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-543-6994, 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
7648176-1
NSN: 4730-01-543-6994
FSC: 4730
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
thread_class2A SECOND END A
connection_typeTHREADED EXTERNAL PIPE FIRST END
connection_styleEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
special_features316L STAINLESS STEEL; BOSS END ALSO HAS O'RING FACE SEAL GROOVE
operating_pressure6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.562 INCHES SECOND END IN
nominal_overall_length1.070 INCHES IN
end_item_identificationMAST SUBSYSTEM
media_for_which_designedWATER-OIL-GAS SECOND RESPONSE
thread_series_designatorUNF SECOND END
part_name_assigned_by_controlling_agencySOFT SEAL TUBE TO MALE PIPE
NSN4730-01-543-6994
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 7648176-1 · 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
•
OPERATING PRESSURE: 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
THREAD CLASS: 2A SECOND END A
•
NOMINAL THREAD SIZE: 0.125 INCHES FIRST END IN
•
NOMINAL OVERALL LENGTH: 1.070 INCHES IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
MEDIA FOR WHICH DESIGNED: HYDRAULIC FLUID FIRST RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
OPERATING PRESSURE6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
THREAD CLASS2A SECOND END A
NOMINAL THREAD SIZE0.125 INCHES FIRST END IN
NOMINAL OVERALL LENGTH1.070 INCHES IN
MATERIALSTEEL CORROSION RESISTING OVERALL
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SECOND RESPONSE
SPECIAL FEATURES316L STAINLESS STEEL; BOSS END ALSO HAS O'RING FACE SEAL GROOVE
THREAD SERIES DESIGNATORUNF SECOND END
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
2412259Interchangeable
interchangeable cross-reference
interchangeable
2412259-1Interchangeable
interchangeable cross-reference
interchangeable
S4CInterchangeable
interchangeable cross-reference
interchangeable
FF2031T-1-0402-259Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7648176-1?
7648176-1 is a ADAPTER,STRAIGHT,PIPE TO BOSS.
What parts can replace 7648176-1?
There are 4 known substitutes for 7648176-1: 2412259, 2412259-1, S4C and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7648176-1?
7648176-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-543-6994. 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