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Technical Data Sheet
PartsTable / COMPONENT / AA59326I27
AA59326I27 ✓ 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 COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, leg_length: 0.750 INCHES MINIMUM IN, overall_length: 2.750 INCHES MAXIMUM IN, connection_type: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION, connection_style: PLAIN ALL ENDS, style_designator: MALE COUPLING HALF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-021-6346, 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
AA59326I27
NSN: 4730-01-021-6346
FSC: 4730
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
leg_length0.750 INCHES MINIMUM IN
overall_length2.750 INCHES MAXIMUM IN
connection_typeTHREADED INTERNAL PIPE FIRST FLUID END CONNECTION
connection_stylePLAIN ALL ENDS
style_designatorMALE COUPLING HALF
surface_treatmentCOPPER ALLOY BODY
nominal_thread_size2.500 INCHES ALL ENDS IN
quick_disconnect_methodCAM-LOCKING ALL ENDS
thread_series_designatorNPT ALL ENDS
quick_disconnect_nominal_size2.547 INCHES ALL ENDS IN
material_document_and_classificationQQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE BODY
NSN4730-01-021-6346
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AA59326I27 · 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: EXTERNAL QUICK DISCONNECT ALL ENDS
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE BODY
•
MATERIAL: COPPER ALLOY BODY
•
STYLE DESIGNATOR: MALE COUPLING HALF
•
NOMINAL THREAD SIZE: 2.500 INCHES ALL ENDS IN
•
QUICK DISCONNECT METHOD: CAM-LOCKING ALL ENDS
•
CONNECTION STYLE: PLAIN ALL ENDS
•
SURFACE TREATMENT: COPPER ALLOY BODY
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPEEXTERNAL QUICK DISCONNECT ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIALCOPPER ALLOY BODY
STYLE DESIGNATORMALE COUPLING HALF
NOMINAL THREAD SIZE2.500 INCHES ALL ENDS IN
QUICK DISCONNECT METHODCAM-LOCKING ALL ENDS
CONNECTION STYLEPLAIN ALL ENDS
SURFACE TREATMENTCOPPER ALLOY BODY
LEG LENGTH0.750 INCHES MINIMUM IN
THREAD SERIES DESIGNATORNPT ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
A-A-59326/1Interchangeable
interchangeable cross-reference
interchangeable
MS27020-11Interchangeable
interchangeable cross-reference
interchangeable
300705Interchangeable
interchangeable cross-reference
interchangeable
633-A 3INInterchangeable
interchangeable cross-reference
interchangeable
AA59326/1A-8-AInterchangeable
interchangeable cross-reference
interchangeable
MS27020-5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AA59326I27?
AA59326I27 is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace AA59326I27?
There are 29 known substitutes for AA59326I27: A-A-59326/1, MS27020-11, 300705 and 26 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AA59326I27?
AA59326I27 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-021-6346. 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