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AA59326/21-1-B — 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 NIPPLE,QUICK-DISCONNECT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, overall_length: 3.812 INCHES NOMINAL IN, connection_type: EXTERNAL QUICK DISCONNECT, special_features: W/ONE SAFETY WIRE HOLE,0.125 IN. ID IN, quick_disconnect_method: CAM-LOCKING, media_for_which_designed: FUEL/OIL, HYDROCARBON.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-115-5177, 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
AA59326/21-1-B
NSN: 4730-01-115-5177
FSC: 4730
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
overall_length3.812 INCHES NOMINAL IN
connection_typeEXTERNAL QUICK DISCONNECT
special_featuresW/ONE SAFETY WIRE HOLE,0.125 IN. ID IN
quick_disconnect_methodCAM-LOCKING
media_for_which_designedFUEL/OIL, HYDROCARBON
specification/standard_data96906-MS39352 GOVERNMENT STANDARD AND 81349-MIL-C-27487E GOVERNMENT SPECIFICATION
quick_disconnect_nominal_size1.500 INCHES IN
material_document_and_classificationQQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE BODY
NSN4730-01-115-5177
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AA59326/21-1-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
•
CONNECTION TYPE: EXTERNAL QUICK DISCONNECT
•
SPECIFICATION/STANDARD DATA: 96906-MS39352 GOVERNMENT STANDARD AND 81349-MIL-C-27487E GOVERNMENT SPECIFICATION
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE BODY
•
MATERIAL: COPPER ALLOY BODY
•
MEDIA FOR WHICH DESIGNED: FUEL/OIL, HYDROCARBON
•
QUICK DISCONNECT METHOD: CAM-LOCKING
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPEEXTERNAL QUICK DISCONNECT
SPECIAL FEATURESW/ONE SAFETY WIRE HOLE,0.125 IN. ID IN
SPECIFICATION/STANDARD DATA96906-MS39352 GOVERNMENT STANDARD AND 81349-MIL-C-27487E GOVERNMENT SPECIFICATION
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIALCOPPER ALLOY BODY
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON
OVERALL LENGTH3.812 INCHES NOMINAL IN
QUICK DISCONNECT METHODCAM-LOCKING
QUICK DISCONNECT NOMINAL SIZE1.500 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
633AA-1-1/2X2ALInterchangeable
interchangeable cross-reference
interchangeable
1520-AA-ALInterchangeable
interchangeable cross-reference
interchangeable
633AA1 1/2X2Interchangeable
interchangeable cross-reference
interchangeable
633C4INInterchangeable
interchangeable cross-reference
interchangeable
633C-4ALInterchangeable
interchangeable cross-reference
interchangeable
633-C-4 ALUMINUMInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AA59326/21-1-B?
AA59326/21-1-B is a NIPPLE,QUICK-DISCONNECT.
What parts can replace AA59326/21-1-B?
There are 30 known substitutes for AA59326/21-1-B: 633AA-1-1/2X2AL, 1520-AA-AL, 633AA1 1/2X2 and 27 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AA59326/21-1-B?
AA59326/21-1-B is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-115-5177. This indicates validated use in U.S. government and defense supply chains.
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Last verified: September 2026