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30503 — COUPLING HALF,QUICK DISCONNECT

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

30503: COUPLING HALF,QUICK DISCONNECT.

The COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: PLASTIC VINYL INSULATION, overall_width: 0.340 INCHES IN, overall_length: 0.910 INCHES IN, basic_shape_style: CRIMP, surface_treatment: TIN OVERALL EXCEPT INSULATION SINGLE LAYER, material_thickness: 0.030 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-278-0911, 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
MRO→ MRO_GENERAL→ 30503
NSN: 4730-00-278-0911
NIINs: 002780911, 007290199, 008509465, 008560309, 011368561, 012782457, 012838782, 014706589
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 7DU54 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV QUICK COUPLING DIVISION (USA)
SPECIFICATIONS
materialPLASTIC VINYL INSULATION
overall_width0.340 INCHES IN
overall_length0.910 INCHES IN
basic_shape_styleCRIMP
surface_treatmentTIN OVERALL EXCEPT INSULATION SINGLE LAYER
material_thickness0.030 INCHES IN
mounting_method_styleRING
mounting_tongue_width0.340 INCHES IN
mounting_hole_diameter0.201 INCHES IN
end_item_identificationAIR WHEELED T
identification_code_colorRED
mounting_facility_thickness0.030 INCHES IN
NSN4730-00-278-0911
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 30503 · 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
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.375 INCHES ALL ENDS IN
•
CONNECTION STYLE: PLAIN ALL ENDS
•
MATING END IDENTIFICATION: PARKER-HANNIFIN CORP. COUPLING HALF,QUICK DISCONNECT,PART NO. 3010-3
•
CONNECTION TYPE: INTERNAL QUICK DISCONNECT ALL ENDS
•
STYLE DESIGNATOR: MALE COUPLING HALF
•
LEG LENGTH: 0.609 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
NOMINAL PIPE SIZE ACCOMMODATED0.375 INCHES ALL ENDS IN
CONNECTION STYLEPLAIN ALL ENDS
MATING END IDENTIFICATIONPARKER-HANNIFIN CORP. COUPLING HALF,QUICK DISCONNECT,PART NO. 3010-3
CONNECTION TYPEINTERNAL QUICK DISCONNECT ALL ENDS
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST FLUID END CONNECTION
STYLE DESIGNATORMALE COUPLING HALF
OVERALL LENGTH3.120 INCHES NOMINAL IN
LEG LENGTH0.609 INCHES NOMINAL IN
FEATURES PROVIDEDSELF-SEALING
NOMINAL THREAD SIZE0.375 INCHES ALL ENDS IN
SUBSTITUTES & CROSS-REFERENCES 1
2625055Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 30503?
30503 is a COUPLING HALF,QUICK DISCONNECT. It is classified as a MRO (MRO_GENERAL).
What parts can replace 30503?
There is 1 known substitute for 30503: 2625055. Substitute compatibility should be verified for your specific system.
What is the NSN for 30503?
30503 is cataloged in the U.S. Government catalog under NSN 4730-00-278-0911. This indicates validated use in U.S. government and defense supply chains.
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