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PartsTable / COMPONENT / AA59439-004-08-16-C
AA59439-004-08-16-C ✓ 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: STEEL BODY, leg_length: 0.920 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN, overall_length: 2.450 INCHES MINIMUM AND 2.590 INCHES MAXIMUM IN, connection_type: THREADED EXTERNAL HOSE GRIPPING FIRST FLUID END CONNECTION, connection_style: HOSE GRIPPING NIPPLE 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 4730-00-894-5576, 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
AA59439-004-08-16-C
NSN: 4730-00-894-5576
FSC: 4730
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialSTEEL BODY
leg_length0.920 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
overall_length2.450 INCHES MINIMUM AND 2.590 INCHES MAXIMUM IN
connection_typeTHREADED EXTERNAL HOSE GRIPPING FIRST FLUID END CONNECTION
connection_styleHOSE GRIPPING NIPPLE ALL ENDS
style_designatorMALE COUPLING HALF
features_providedSELF-SEALING
surface_treatmentCADMIUM OR CHROMIUM OR NICKEL OR ZINC BODY
quick_disconnect_methodSPRING PUSH-PULL ALL ENDS
nondefinitive_spec/std_data1 TYPE AND A CLASS AND 4 STYLE
specification/standard_data58536-A-A-59439 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
furnished_items_and_quantity1 HOSE COUPLING NUT
NSN4730-00-894-5576
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AA59439-004-08-16-C · 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 EXTERNAL HOSE GRIPPING FIRST FLUID END CONNECTION
•
LEG LENGTH: 0.920 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: MALE COUPLING HALF
•
MATERIAL: STEEL BODY
•
SURFACE TREATMENT: CADMIUM OR CHROMIUM OR NICKEL OR ZINC BODY
•
CONNECTION STYLE: HOSE GRIPPING NIPPLE ALL ENDS
•
QUICK DISCONNECT METHOD: SPRING PUSH-PULL ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH2.450 INCHES MINIMUM AND 2.590 INCHES MAXIMUM IN
CONNECTION TYPETHREADED EXTERNAL HOSE GRIPPING FIRST FLUID END CONNECTION
LEG LENGTH0.920 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
STYLE DESIGNATORMALE COUPLING HALF
MATERIALSTEEL BODY
SURFACE TREATMENTCADMIUM OR CHROMIUM OR NICKEL OR ZINC BODY
CONNECTION STYLEHOSE GRIPPING NIPPLE ALL ENDS
QUICK DISCONNECT METHODSPRING PUSH-PULL ALL ENDS
FEATURES PROVIDEDSELF-SEALING
NONDEFINITIVE SPEC/STD DATA1 TYPE AND A CLASS AND 4 STYLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
104080Interchangeable
interchangeable cross-reference
interchangeable
4DF4Interchangeable
interchangeable cross-reference
interchangeable
B37-238Interchangeable
interchangeable cross-reference
interchangeable
M4109-06-16-00-BInterchangeable
interchangeable cross-reference
interchangeable
AA59439-11-12-00BInterchangeable
interchangeable cross-reference
interchangeable
M4109-11-12-00BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AA59439-004-08-16-C?
AA59439-004-08-16-C is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace AA59439-004-08-16-C?
There are 19 known substitutes for AA59439-004-08-16-C: 104080, 4DF4, B37-238 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AA59439-004-08-16-C?
AA59439-004-08-16-C is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-894-5576. 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