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S71-3C16-16EF — COUPLING HALF,QUICK DISCONNECT

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

S71-3C16-16EF: COUPLING HALF,QUICK DISCONNECT.

The COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING BODY, connection_type: THREADED INTERNAL TUBE SECOND FLUID END CONNECTION, style_designator: FEMALE COUPLING HALF, basic_shape_style: ROUND FIRST QUICK DISCONNECT END, operating_pressure: 4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, nominal_thread_size: 1.3125 INCHES SECOND FLUID END CONNECTION IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-679-4044, 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
S71-3C16-16EF
NSN: 4730-01-679-4044
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 78357 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV QUICK COUPLER DIVISION (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING BODY
connection_typeTHREADED INTERNAL TUBE SECOND FLUID END CONNECTION
style_designatorFEMALE COUPLING HALF
basic_shape_styleROUND FIRST QUICK DISCONNECT END
operating_pressure4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size1.3125 INCHES SECOND FLUID END CONNECTION IN
maximum_operating_temp250.0 FAHRENHEIT SINGLE RESPONSE DEGF
end_item_identification5420015457365
quick_disconnect_methodPUSH-LOCK FIRST QUICK DISCONNECT END
thread_quantity_per_inch12 SECOND FLUID END CONNECTION
NSN4730-01-679-4044
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: S71-3C16-16EF · 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 TYPE: THREADED INTERNAL TUBE SECOND FLUID END CONNECTION
•
STYLE DESIGNATOR: FEMALE COUPLING HALF
•
OPERATING PRESSURE: 4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
BASIC SHAPE STYLE: ROUND FIRST QUICK DISCONNECT END
•
NOMINAL THREAD SIZE: 1.3125 INCHES SECOND FLUID END CONNECTION IN
•
MAXIMUM OPERATING TEMP: 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
THREAD QUANTITY PER INCH: 12 SECOND FLUID END CONNECTION
TECHNICAL CHARACTERISTICS
CONNECTION TYPETHREADED INTERNAL TUBE SECOND FLUID END CONNECTION
STYLE DESIGNATORFEMALE COUPLING HALF
OPERATING PRESSURE4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
BASIC SHAPE STYLEROUND FIRST QUICK DISCONNECT END
NOMINAL THREAD SIZE1.3125 INCHES SECOND FLUID END CONNECTION IN
MAXIMUM OPERATING TEMP250.0 FAHRENHEIT SINGLE RESPONSE DEGF
END ITEM IDENTIFICATION5420015457365
THREAD QUANTITY PER INCH12 SECOND FLUID END CONNECTION
MATERIALSTEEL CORROSION RESISTING BODY
QUICK DISCONNECT METHODPUSH-LOCK FIRST QUICK DISCONNECT END
SUBSTITUTES & CROSS-REFERENCES 1
SH71-3C16-16EFReference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 S71-3C16-16EF?
S71-3C16-16EF is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace S71-3C16-16EF?
There is 1 known substitute for S71-3C16-16EF: SH71-3C16-16EF. Substitute compatibility should be verified for your specific system.
What is the NSN for S71-3C16-16EF?
S71-3C16-16EF is cataloged in the U.S. Government catalog under NSN 4730-01-679-4044. 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.