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Technical Data Sheet
PartsTable / COMPONENT / AA59326/2A-4-B
AA59326/2A-4-B ✓ Verified by PartsTable
— · 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 AA59326/2A-4-B is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-542-4030, 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
AA59326/2A-4-B
NSN: 4730-00-542-4030
FSC: 4730
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
Part NumberAA59326/2A-4-B
NSN4730-00-542-4030
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AA59326/2A-4-B · 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
•
LEG LENGTH: 2.250 INCHES MINIMUM IN
•
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 1.234 INCHES ALL ENDS IN
•
MATERIAL: COPPER ALLOY BODY
•
CONNECTION TYPE: EXTERNAL QUICK DISCONNECT ALL ENDS
•
QUICK DISCONNECT NOMINAL SIZE: 1.250 INCHES ALL ENDS IN
•
QUICK DISCONNECT METHOD: CAM-LOCKING ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH4.375 INCHES MINIMUM IN
LEG LENGTH2.250 INCHES MINIMUM IN
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED1.234 INCHES ALL ENDS IN
MATERIALCOPPER ALLOY BODY
CONNECTION TYPEEXTERNAL QUICK DISCONNECT ALL ENDS
CONNECTION TYPEUNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION
QUICK DISCONNECT NOMINAL SIZE1.250 INCHES ALL ENDS IN
QUICK DISCONNECT METHODCAM-LOCKING ALL ENDS
STYLE DESIGNATORMALE COUPLING HALF
CONNECTION STYLEBARBED OR SERRATED END ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
MS27021-9Interchangeable
interchangeable cross-reference
interchangeable
15A107P1Interchangeable
interchangeable cross-reference
interchangeable
6-1-746-8-3AInterchangeable
interchangeable cross-reference
interchangeable
633-E-4IN-ALInterchangeable
interchangeable cross-reference
interchangeable
400-E-ALInterchangeable
interchangeable cross-reference
interchangeable
MS27021-17Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AA59326/2A-4-B?
AA59326/2A-4-B is a AA59326/2A-4-B.
What parts can replace AA59326/2A-4-B?
There are 28 known substitutes for AA59326/2A-4-B: MS27021-9, 15A107P1, 6-1-746-8-3A and 25 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AA59326/2A-4-B?
AA59326/2A-4-B is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-542-4030. 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: July 2026