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D33LA — COUPLING ASSEMBLY,QUICK DISCONNE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

D33LA: COUPLING ASSEMBLY,QUICK DISCONNE.

COUPLING ASSEMBLY,QUICK DISCONNE. Key specifications include material: ALUMINUM ALLOY OVERALL, leg_length: 0.542 INCHES MINIMUM AND 0.588 INCHES MAXIMUM IN, seat_angle: 37.0 DEGREES, thread_class: 3A FIRST FLUID END CONNECTION A, overall_length: 3.487 INCHES NOMINAL IN, connection_type: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-080-4723, 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
D33LA
NSN: 4730-01-080-4723
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 79326 — TRANSDIGM INC DIV ADELWIGGINS GROUP (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
leg_length0.542 INCHES MINIMUM AND 0.588 INCHES MAXIMUM IN
seat_angle37.0 DEGREES
thread_class3A FIRST FLUID END CONNECTION A
overall_length3.487 INCHES NOMINAL IN
connection_typeTHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
connection_styleFLARED FIRST FLUID END CONNECTION
special_featuresSUPPORTS GRUMMAN A-10 AIRCRAFT
style_designatorCOUPLING ASSEMBLY
features_providedSAFETY LOCKING FEATURE
surface_treatmentANODIZE OVERALL
nominal_thread_size0.438 INCHES FIRST FLUID END CONNECTION IN
NSN4730-01-080-4723
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: D33LA · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
CONNECTION STYLE: FLARED FIRST FLUID END CONNECTION
•
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
•
STYLE DESIGNATOR: COUPLING ASSEMBLY
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-22516,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES FIRST FLUID END CONNECTION IN
•
LEG LENGTH: 0.542 INCHES MINIMUM AND 0.588 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
CONNECTION STYLEFLARED FIRST FLUID END CONNECTION
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
STYLE DESIGNATORCOUPLING ASSEMBLY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-22516,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH3.487 INCHES NOMINAL IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST FLUID END CONNECTION IN
LEG LENGTH0.542 INCHES MINIMUM AND 0.588 INCHES MAXIMUM IN
FEATURES PROVIDEDSAFETY LOCKING FEATURE
NOMINAL THREAD SIZE0.438 INCHES FIRST FLUID END CONNECTION IN
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 1
A115138-505Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 D33LA?
D33LA is a COUPLING ASSEMBLY,QUICK DISCONNE.
What parts can replace D33LA?
There is 1 known substitute for D33LA: A115138-505. Substitute compatibility should be verified for your specific system.
What is the NSN for D33LA?
D33LA is cataloged in the U.S. Government catalog under NSN 4730-01-080-4723. This indicates validated use in U.S. government and defense supply chains.
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