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7-311710169-9 — COUPLING ASSEMBLY,QUICK DISCONNE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

7-311710169-9: COUPLING ASSEMBLY,QUICK DISCONNE.

COUPLING ASSEMBLY,QUICK DISCONNE. Key specifications include end_item_identification: USED ON APACHE ATTACK HELICOPTER. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-232-4495, 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
7-311710169-9
NSN: 4730-01-232-4495
NIINs: 012324495, 014751409
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 02731 — MCDONNELL DOUGLAS HELICOPTER CO INC (USA)
SPECIFICATIONS
end_item_identificationUSED ON APACHE ATTACK HELICOPTER
NSN4730-01-232-4495
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 7-311710169-9 · 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: FLARELESS ALL ENDS
•
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
•
STYLE DESIGNATOR: MALE COUPLING HALF
•
OPERATING PRESSURE: 50.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
NOMINAL THREAD SIZE: 0.438 INCHES ALL ENDS IN
•
SEAT ANGLE: 45.0 DEGREES LOCATION NOT OTHERWISE SPECIFIED
TECHNICAL CHARACTERISTICS
CONNECTION STYLEFLARELESS ALL ENDS
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
STYLE DESIGNATORMALE COUPLING HALF
OVERALL LENGTH2.477 INCHES NOMINAL IN
OPERATING PRESSURE50.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NOMINAL THREAD SIZE0.438 INCHES ALL ENDS IN
SEAT ANGLE45.0 DEGREES LOCATION NOT OTHERWISE SPECIFIED
SPECIAL FEATURESBULKHEAD ON FLUID END WITH CAP AND 12.000 IN. WIRE ROPE IN
SURFACE TREATMENTPASSIVATE BODY
THREAD CLASS3A ALL ENDS A
SUBSTITUTES & CROSS-REFERENCES 2
7-311710169-5Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
AE82243EReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7-311710169-9?
7-311710169-9 is a COUPLING ASSEMBLY,QUICK DISCONNE.
What parts can replace 7-311710169-9?
There are 2 known substitutes for 7-311710169-9: 7-311710169-5, AE82243E. Substitute compatibility should be verified for your specific system.
What is the NSN for 7-311710169-9?
7-311710169-9 is cataloged in the U.S. Government catalog under NSN 4730-01-232-4495. This indicates validated use in U.S. government and defense supply chains.
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