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5101-20B — COUPLING ASSEMBLY,SELF-SEALING

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

5101-20B: COUPLING ASSEMBLY,SELF-SEALING.

The COUPLING ASSEMBLY,SELF-SEALING is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, connection_type: THREADED INTERNAL PIPE FIRST QUICK DISCONNECT END, connection_style: PLAIN SECOND QUICK DISCONNECT END, style_designator: COUPLING ASSEMBLY, features_provided: SELF-SEALING, operating_pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-588-2591, 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
5101-20B
NSN: 4730-00-588-2591
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 01276 — DANFOSS POWER SOLUTIONS II, LLC (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
connection_typeTHREADED INTERNAL PIPE FIRST QUICK DISCONNECT END
connection_stylePLAIN SECOND QUICK DISCONNECT END
style_designatorCOUPLING ASSEMBLY
features_providedSELF-SEALING
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size1.250 INCHES FIRST QUICK DISCONNECT END IN
thread_series_designatorNPT FIRST QUICK DISCONNECT END
second_end_relationship_with_first_endNOT IDENTICAL
NSN4730-00-588-2591
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 5101-20B · 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
•
CONNECTION STYLE: PLAIN SECOND QUICK DISCONNECT END
•
CONNECTION TYPE: THREADED INTERNAL PIPE FIRST QUICK DISCONNECT END
•
STYLE DESIGNATOR: COUPLING ASSEMBLY
•
OPERATING PRESSURE: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
SECOND END RELATIONSHIP WITH FIRST END: NOT IDENTICAL
•
FEATURES PROVIDED: SELF-SEALING
TECHNICAL CHARACTERISTICS
CONNECTION STYLEPLAIN SECOND QUICK DISCONNECT END
CONNECTION STYLEGASKET SEAL FIRST QUICK DISCONNECT END
CONNECTION TYPETHREADED INTERNAL PIPE FIRST QUICK DISCONNECT END
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND QUICK DISCONNECT END
STYLE DESIGNATORCOUPLING ASSEMBLY
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
FEATURES PROVIDEDSELF-SEALING
NOMINAL THREAD SIZE1.250 INCHES FIRST QUICK DISCONNECT END IN
NOMINAL THREAD SIZE1.250 INCHES SECOND QUICK DISCONNECT END IN
SUBSTITUTES & CROSS-REFERENCES 1
5101-20Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5101-20B?
5101-20B is a COUPLING ASSEMBLY,SELF-SEALING.
What parts can replace 5101-20B?
There is 1 known substitute for 5101-20B: 5101-20. Substitute compatibility should be verified for your specific system.
What is the NSN for 5101-20B?
5101-20B is cataloged in the U.S. Government catalog under NSN 4730-00-588-2591. This indicates validated use in U.S. government and defense supply chains.
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