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AA59326/4-8-A — Technical Data Sheet

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— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include end_item_identification: THIS COMPONENT WILL REPLACE NSN 4730-01-207-8304. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4730-01-518-8444, 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
AA59326/4-8-A
NSN: 4730-01-518-8444
FSC: 4730
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
end_item_identificationTHIS COMPONENT WILL REPLACE NSN 4730-01-207-8304
NSN4730-01-518-8444
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AA59326/4-8-A · 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
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONTHIS COMPONENT WILL REPLACE NSN 4730-01-207-8304
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
633LAT6INALInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
AA59326/4-5-AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MS27023-19InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
AA59326-G-4InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
A-A-59326-4InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MS27030-4InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AA59326/4-8-A?
AA59326/4-8-A is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace AA59326/4-8-A?
There are 20 known substitutes for AA59326/4-8-A: 633LAT6INAL, AA59326/4-5-A, MS27023-19 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AA59326/4-8-A?
AA59326/4-8-A is cataloged in the Federal Logistics Information System under NSN 4730-01-518-8444. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026