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4302D4 — COUPLING HALF,QUICK DISCONNECT

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

4302D4: COUPLING HALF,QUICK DISCONNECT.

The COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY BODY, leg_length: 0.550 INCHES NOMINAL IN, seat_angle: 37.0 DEGREES, thread_class: 3A ALL ENDS A, nominal_width: 1.188 INCHES IN, nominal_length: 2.000 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-211-5083, 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
4302D4
NSN: 4730-00-211-5083
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 79326 — TRANSDIGM INC DIV ADELWIGGINS GROUP (USA)
SPECIFICATIONS
materialALUMINUM ALLOY BODY
leg_length0.550 INCHES NOMINAL IN
seat_angle37.0 DEGREES
thread_class3A ALL ENDS A
nominal_width1.188 INCHES IN
nominal_length2.000 INCHES IN
overall_length2.000 INCHES NOMINAL IN
connection_typeINTERNAL QUICK DISCONNECT ALL ENDS
furnished_itemsACTUATING RING AND UNION NUT AND SEAL AND SPRING
connection_styleFLARED ALL ENDS
style_designatorMALE COUPLING HALF
basic_shape_styleOVAL STYLE 6 MUST HAVE 2 BOLT HOLES FIRST QUICK DISCONNECT END
NSN4730-00-211-5083
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4302D4 · 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: FLARED ALL ENDS
•
NOMINAL LENGTH: 2.000 INCHES IN
•
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
•
STYLE DESIGNATOR: MALE COUPLING HALF
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/5 FED SPEC SINGLE MATERIAL RESPONSE BODY
•
BOLT HOLE NOMINAL DIAMETER: 0.190 INCHES IN
TECHNICAL CHARACTERISTICS
CONNECTION STYLEFLARED ALL ENDS
NOMINAL LENGTH2.000 INCHES IN
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
CONNECTION TYPEINTERNAL QUICK DISCONNECT ALL ENDS
STYLE DESIGNATORMALE COUPLING HALF
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/5 FED SPEC SINGLE MATERIAL RESPONSE BODY
OVERALL LENGTH2.000 INCHES NOMINAL IN
BOLT HOLE NOMINAL DIAMETER0.190 INCHES IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES ALL ENDS IN
MOUNTING FLANGE LOCATIONSECOND LEG
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

No substitute or cross-reference records for this part.

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 4302D4?
4302D4 is a COUPLING HALF,QUICK DISCONNECT.
What is the NSN for 4302D4?
4302D4 is cataloged in the U.S. Government catalog under NSN 4730-00-211-5083. This indicates validated use in U.S. government and defense supply chains.
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