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Technical Data Sheet
PartsTable / COMPONENT / AA59326/4A-4-A-1
AA59326/4A-4-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 AA59326/4A-4-A-1 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-840-5347, 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
AA59326/4A-4-A-1
NSN: 4730-00-840-5347
FSC: 4730
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
Part NumberAA59326/4A-4-A-1
NSN4730-00-840-5347
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AA59326/4A-4-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
•
NOMINAL OUTSIDE DIAMETER: 6.625 INCHES IN
•
SURFACE TREATMENT: ANODIZE BODY
•
BOLT CIRCLE NOMINAL DIAMETER: 5.875 INCHES IN
•
NOMINAL THICKNESS: 0.375 INCHES IN
•
BASIC SHAPE STYLE: ROUND FIRST FLUID END CONNECTION
•
MATERIAL: ALUMINUM ALLOY BODY
•
QUICK DISCONNECT NOMINAL SIZE: 4.000 INCHES ALL ENDS IN
•
CONNECTION TYPE: EXTERNAL QUICK DISCONNECT ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL OUTSIDE DIAMETER6.625 INCHES IN
SURFACE TREATMENTANODIZE BODY
BOLT CIRCLE NOMINAL DIAMETER5.875 INCHES IN
NOMINAL THICKNESS0.375 INCHES IN
BASIC SHAPE STYLEROUND FIRST FLUID END CONNECTION
MATERIALALUMINUM ALLOY BODY
QUICK DISCONNECT NOMINAL SIZE4.000 INCHES ALL ENDS IN
CONNECTION TYPEEXTERNAL QUICK DISCONNECT ALL ENDS
LEG LENGTH0.375 INCHES NOMINAL IN
CONNECTION TYPEFLANGE FIRST FLUID END CONNECTION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
633LAT6INALInterchangeable
interchangeable cross-reference
interchangeable
AA59326/4-5-AInterchangeable
interchangeable cross-reference
interchangeable
MS27023-19Interchangeable
interchangeable cross-reference
interchangeable
5330PL0650983Interchangeable
interchangeable cross-reference
interchangeable
37464Interchangeable
interchangeable cross-reference
interchangeable
99137464Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AA59326/4A-4-A-1?
AA59326/4A-4-A-1 is a AA59326/4A-4-A-1.
What parts can replace AA59326/4A-4-A-1?
There are 32 known substitutes for AA59326/4A-4-A-1: 633LAT6INAL, AA59326/4-5-A, MS27023-19 and 29 more. Substitute compatibility should be verified for your specific system.
Is AA59326/4A-4-A-1 still available?
AA59326/4A-4-A-1 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026