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Technical Data Sheet
PartsTable / COMPONENT / AA59326/5A-1-A-1
AA59326/5A-1-A-1 ✓ 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 AA59326/5A-1-A-1 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 4730-01-143-1421, 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
AA59326/5A-1-A-1
NSN: 4730-01-143-1421
FSC: 4730
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
Part NumberAA59326/5A-1-A-1
NSN4730-01-143-1421
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AA59326/5A-1-A-1 · 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 TYPE: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION
•
SPECIFICATION/STANDARD DATA: 81349-MIL-C-27487E GOVERNMENT SPECIFICATION
•
MATERIAL: ALUMINUM ALLOY BODY
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
•
CONNECTION STYLE: PLAIN ALL ENDS
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-601/T6 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-601/T5 FED SPEC SINGLE MATERIAL RESPONSE BODY
•
NOMINAL THREAD SIZE: 0.500 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPETHREADED INTERNAL PIPE FIRST FLUID END CONNECTION
SPECIFICATION/STANDARD DATA81349-MIL-C-27487E GOVERNMENT SPECIFICATION
CONNECTION TYPEINTERNAL QUICK DISCONNECT ALL ENDS
MATERIALALUMINUM ALLOY BODY
THREAD SERIES DESIGNATORNPT ALL ENDS
CONNECTION STYLEPLAIN ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-601/T6 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-601/T5 FED SPEC SINGLE MATERIAL RESPONSE BODY
NOMINAL THREAD SIZE0.500 INCHES ALL ENDS IN
NONDEFINITIVE SPEC/STD DATAV TYPE AND 1/2 IN.CAM SIZE IN
LEG LENGTH1.046 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
AA59326/5-2-B-1Interchangeable
interchangeable cross-reference
interchangeable
633DInterchangeable
interchangeable cross-reference
interchangeable
633D-.75BRInterchangeable
interchangeable cross-reference
interchangeable
633D-.75ALInterchangeable
interchangeable cross-reference
interchangeable
633D3-4IN ALInterchangeable
interchangeable cross-reference
interchangeable
75-D-ALInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AA59326/5A-1-A-1?
AA59326/5A-1-A-1 is a AA59326/5A-1-A-1.
What parts can replace AA59326/5A-1-A-1?
There are 13 known substitutes for AA59326/5A-1-A-1: AA59326/5-2-B-1, 633D, 633D-.75BR and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AA59326/5A-1-A-1?
AA59326/5A-1-A-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-143-1421. 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