PartsTable
Technical Data Sheet
AA59553-05M ✓ 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: IRON BODY, overall_length: 4.938 INCHES NOMINAL IN, connection_type: UNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION, connection_style: BARBED OR SERRATED END ALL ENDS, style_designator: MALE COUPLING HALF, surface_treatment: ZINC BODY. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-496-5953, 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
AA59553-05M
NSN: 4730-00-496-5953
FSC: 4730
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialIRON BODY
overall_length4.938 INCHES NOMINAL IN
connection_typeUNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION
connection_styleBARBED OR SERRATED END ALL ENDS
style_designatorMALE COUPLING HALF
surface_treatmentZINC BODY
quick_disconnect_methodTWO LUG UNIVERSAL ALL ENDS
nondefinitive_spec/std_data1 TYPE
specification/standard_data58536 A-A-59553 GOVERNMENT SPECIFICATION A
furnished_items_and_quantity1 SEAL
material_document_and_classificationASTM A197 ASSN STD SINGLE MATERIAL RESPONSE BODY
nominal_inside_diameter_hose_accommodated1.000 INCHES ALL ENDS IN
NSN4730-00-496-5953
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AA59553-05M · 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
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE BODY
STYLE DESIGNATOR: MALE COUPLING HALF
QUICK DISCONNECT METHOD: TWO LUG UNIVERSAL ALL ENDS
CONNECTION STYLE: BARBED OR SERRATED END ALL ENDS
MATERIAL: IRON BODY
FURNISHED ITEMS AND QUANTITY: 1 SEAL
CONNECTION TYPE: UNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION
SPECIFICATION/STANDARD DATA: 58536 A-A-59553 GOVERNMENT SPECIFICATION A
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A197 ASSN STD SINGLE MATERIAL RESPONSE BODY
STYLE DESIGNATORMALE COUPLING HALF
QUICK DISCONNECT METHODTWO LUG UNIVERSAL ALL ENDS
CONNECTION STYLEBARBED OR SERRATED END ALL ENDS
MATERIALIRON BODY
FURNISHED ITEMS AND QUANTITY1 SEAL
CONNECTION TYPEUNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION
SPECIFICATION/STANDARD DATA58536 A-A-59553 GOVERNMENT SPECIFICATION A
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 1 FED SPEC SINGLE TREATMENT RESPONSE BODY
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED1.000 INCHES ALL ENDS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
A28-239Interchangeable
interchangeable cross-reference
interchangeable
C36838Interchangeable
interchangeable cross-reference
interchangeable
AM1Interchangeable
interchangeable cross-reference
interchangeable
STYLEAKMPTAMHInterchangeable
interchangeable cross-reference
interchangeable
WWC633TYPE1Interchangeable
interchangeable cross-reference
interchangeable
WW-C-633Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AA59553-05M?
AA59553-05M is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace AA59553-05M?
There are 27 known substitutes for AA59553-05M: A28-239, C36838, AM1 and 24 more. Substitute compatibility should be verified for your specific system.
Is AA59553-05M still available?
AA59553-05M is currently cancelled.
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