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Technical Data Sheet
PartsTable / COMPONENT / ZZ-H-561
ZZ-H-561 ✓ Verified by PartsTable
— · PIPE SECTION
WHAT YOU NEED TO KNOW
Schedule = wall thickness, NOT diameter Nominal pipe size != actual OD
Sch 40 and Sch 80 same OD, different wall
PRODUCT OVERVIEW

HOSE ASSEMBLY,NONMETALLIC,FIRE F. Key specifications include temp_rating: 212.0 FAHRENHEIT SINGLE RESPONSE DEGF, vacuum_in_torr: 254.0, connection_type: THREADED INTERNAL PIPE FIRST END, inside_diameter: 1.500 INCHES NOMINAL IN, connection_style: SWIVEL NUT, GASKET SEAL FIRST END, outside_diameter: 2.200 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-018-2432, 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
ZZ-H-561
NSN: 4720-00-018-2432
FSC: 4720
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
temp_rating212.0 FAHRENHEIT SINGLE RESPONSE DEGF
vacuum_in_torr254.0
connection_typeTHREADED INTERNAL PIPE FIRST END
inside_diameter1.500 INCHES NOMINAL IN
connection_styleSWIVEL NUT, GASKET SEAL FIRST END
outside_diameter2.200 INCHES NOMINAL IN
special_featuresWEATHER AND OZONE RESISTANT OUTER COVER
special_markingsBLUE LONGITUDINAL STRIPE TO DENOTE POTABLE WATER ONLY
thread_directionRIGHT-HAND FIRST END
features_providedELECTROSTATIC DISCHARGE CAPABILITY
operating_pressure100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
burst_test_pressure300.0 POUNDS PER SQUARE INCH LBS
NSN4720-00-018-2432
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: ZZ-H-561 · OEM ⚠ VERIFY BEFORE ORDERING Schedule = wall thickness, NOT pipe diameter. Sch 40 and Sch 80 have the same OD but different wall thickness. Nominal pipe size ≠ actual OD — a 1" pipe is actually 1.315" OD ✓ BROKER TIP Sch 40 = standard wall, Sch 80 = heavy wall (higher pressure), Sch 160 = extra heavy. Seamless pipe is required for high-pressure applications — welded pipe has lower ratings PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
BURST TEST PRESSURE: 300.0 POUNDS PER SQUARE INCH LBS
•
TEMP RATING: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
MEASURING METHOD AND LENGTH: 36.000 INCHES NOMINAL OVERALL IN
•
OUTSIDE DIAMETER: 4.000 INCHES NOMINAL IN
•
OUTER COVERING ENVIRONMENTAL PROTECTION: WATER RESISTANT
•
HYDROSTATIC TEST PRESSURE: 100.0 POUNDS PER SQUARE INCH LBS
•
LAYER COMPOSITION AND LOCATION: OUTER LAYER MOLDED RUBBER, SYNTHETIC AND 2ND LAYER HELIX STEEL COIL AND 1ST LAYER SPIRALLY WRAPPED FABRIC AND 5TH LAYER SPIRALLY WRAPPED FABRIC AND 4TH LAYER SPIRALLY WRAPPED FABRIC
•
MEDIA FOR WHICH DESIGNED: WATER, FRESH SINGLE RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
BURST TEST PRESSURE300.0 POUNDS PER SQUARE INCH LBS
TEMP RATING-40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
MEASURING METHOD AND LENGTH36.000 INCHES NOMINAL OVERALL IN
OUTSIDE DIAMETER4.000 INCHES NOMINAL IN
OUTER COVERING ENVIRONMENTAL PROTECTIONWATER RESISTANT
HYDROSTATIC TEST PRESSURE100.0 POUNDS PER SQUARE INCH LBS
LAYER COMPOSITION AND LOCATIONOUTER LAYER MOLDED RUBBER, SYNTHETIC AND 2ND LAYER HELIX STEEL COIL AND 1ST LAYER SPIRALLY WRAPPED FABRIC AND 5TH LAYER SPIRALLY WRAPPED FABRIC AND 4TH LAYER SPIRALLY WRAPPED FABRIC
MEDIA FOR WHICH DESIGNEDWATER, FRESH SINGLE RESPONSE
OPERATING PRESSURE50.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
SPECIFICATION/STANDARD DATA81348-ZZ-H-561 GOVERNMENT SPECIFICATION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
A-A-59566Interchangeable
Same NIIN cross-reference
interchangeable
AA59566-BA2040036Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ZZ-H-561?
ZZ-H-561 is a HOSE ASSEMBLY,NONMETALLIC,FIRE F.
What parts can replace ZZ-H-561?
There are 2 known substitutes for ZZ-H-561: A-A-59566, AA59566-BA2040036. Substitute compatibility should be verified for your specific system.
What is the NSN for ZZ-H-561?
ZZ-H-561 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-018-2432. 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