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510104-10B — COUPLING ASSEMBLY,SELF-SEALING

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

510104-10B: COUPLING ASSEMBLY,SELF-SEALING.

The COUPLING ASSEMBLY,SELF-SEALING is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, overall_length: 5.210 INCHES NOMINAL IN, connection_type: THREADED INTERNAL BOSS FIRST QUICK DISCONNECT END, connection_style: BOSS GASKET SEAL FIRST QUICK DISCONNECT END, first_leg_length: 1.660 INCHES NOMINAL IN, style_designator: COUPLING ASSEMBLY. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-620-3923, 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
510104-10B
NSN: 4730-00-620-3923
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 01276 — DANFOSS POWER SOLUTIONS II, LLC (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
overall_length5.210 INCHES NOMINAL IN
connection_typeTHREADED INTERNAL BOSS FIRST QUICK DISCONNECT END
connection_styleBOSS GASKET SEAL FIRST QUICK DISCONNECT END
first_leg_length1.660 INCHES NOMINAL IN
style_designatorCOUPLING ASSEMBLY
second_leg_length1.660 INCHES NOMINAL IN
operating_pressure1750.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.500 INCHES FIRST QUICK DISCONNECT END IN
maximum_operating_temp160.0 FAHRENHEIT SECOND RESPONSE DEGF
media_for_which_designedHYDRAULIC FLUID, PHOSPHATE-ESTER BASE FIRST RESPONSE
thread_series_designatorNPTF FIRST QUICK DISCONNECT END
NSN4730-00-620-3923
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 510104-10B · 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
•
SECOND LEG LENGTH: 1.660 INCHES NOMINAL IN
•
CONNECTION STYLE: BOSS GASKET SEAL FIRST QUICK DISCONNECT END
•
CONNECTION TYPE: THREADED INTERNAL BOSS FIRST QUICK DISCONNECT END
•
STYLE DESIGNATOR: COUPLING ASSEMBLY
•
OPERATING PRESSURE: 1750.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
NOMINAL THREAD SIZE: 0.500 INCHES FIRST QUICK DISCONNECT END IN
TECHNICAL CHARACTERISTICS
SECOND LEG LENGTH1.660 INCHES NOMINAL IN
CONNECTION STYLEBOSS GASKET SEAL FIRST QUICK DISCONNECT END
CONNECTION TYPETHREADED INTERNAL BOSS FIRST QUICK DISCONNECT END
STYLE DESIGNATORCOUPLING ASSEMBLY
OVERALL LENGTH5.210 INCHES NOMINAL IN
OPERATING PRESSURE1750.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
NOMINAL THREAD SIZE0.500 INCHES FIRST QUICK DISCONNECT END IN
MAXIMUM OPERATING TEMP160.0 FAHRENHEIT SECOND RESPONSE DEGF
MAXIMUM OPERATING TEMP160.0 FAHRENHEIT FIRST RESPONSE DEGF
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008
SUBSTITUTES & CROSS-REFERENCES 2
4090404Reference document
Same NSN cross-reference
Reference document — Secondary reference
409-04-31Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 510104-10B?
510104-10B is a COUPLING ASSEMBLY,SELF-SEALING.
What parts can replace 510104-10B?
There are 2 known substitutes for 510104-10B: 4090404, 409-04-31. Substitute compatibility should be verified for your specific system.
What is the NSN for 510104-10B?
510104-10B is cataloged in the U.S. Government catalog under NSN 4730-00-620-3923. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.