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Technical Data Sheet
PartsTable / COMPONENT / Z-538
Z-538 ✓ 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

The HOSE ASSEMBLY,NONMETALLIC is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, seat_angle: 37.0 DEGREES FIRST END, temp_rating: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF, groove_width: 0.187 INCHES NOMINAL IN, thread_class: 2B FIRST END, grommet_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-289-4612, 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
Z-538
NSN: 4720-00-289-4612
FSC: 4720
CAGE: 11568 — GARDNER DENVER INC. (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
seat_angle37.0 DEGREES FIRST END
temp_rating-40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
groove_width0.187 INCHES NOMINAL IN
thread_class2B FIRST END
grommet_styleROUND
hole_diameter2.000 INCHES NOMINAL IN
exterior_colorBLACK
overall_height0.562 INCHES NOMINAL IN
connection_typeTHREADED EXTERNAL PIPE SECOND END
inside_diameter0.312 INCHES NOMINAL IN
connection_stylePLAIN SECOND END
NSN4720-00-289-4612
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: Z-538 · 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
•
HYDROSTATIC TEST PRESSURE: 450.0 POUNDS PER SQUARE INCH LBS
•
THREAD SERIES DESIGNATOR: UNF FIRST END
•
NOMINAL THREAD SIZE: 0.500 INCHES FIRST END IN
•
END CONNECTION DESIGN: STRAIGHT FIRST END
•
SPECIFICATION/STANDARD DATA: 81349-MIL-S-15297 GOVERNMENT SPECIFICATION
•
LAYER COMPOSITION AND LOCATION: 2ND LAYER BRAIDED TEXTILE YARN AND OUTER LAYER MOLDED RUBBER, SYNTHETIC AND 1ST LAYER BRAIDED TEXTILE YARN
•
CONNECTION TYPE: THREADED EXTERNAL PIPE SECOND END
TECHNICAL CHARACTERISTICS (FLIS)
HYDROSTATIC TEST PRESSURE450.0 POUNDS PER SQUARE INCH LBS
THREAD SERIES DESIGNATORUNF FIRST END
NOMINAL THREAD SIZE0.500 INCHES FIRST END IN
END CONNECTION DESIGNSTRAIGHT FIRST END
SPECIFICATION/STANDARD DATA81349-MIL-S-15297 GOVERNMENT SPECIFICATION
LAYER COMPOSITION AND LOCATION2ND LAYER BRAIDED TEXTILE YARN AND OUTER LAYER MOLDED RUBBER, SYNTHETIC AND 1ST LAYER BRAIDED TEXTILE YARN
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND END
CONNECTION TYPETHREADED INTERNAL TUBE FIRST END
END CONNECTION DESIGNSTRAIGHT SECOND END
OUTSIDE DIAMETER0.625 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
365J000 ITEM 65Interchangeable
interchangeable cross-reference
interchangeable
Z-538Interchangeable
interchangeable cross-reference
interchangeable
115-146Interchangeable
interchangeable cross-reference
interchangeable
43-320Interchangeable
interchangeable cross-reference
interchangeable
45-320Interchangeable
interchangeable cross-reference
interchangeable
38008-90014-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is Z-538?
Z-538 is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace Z-538?
There are 8 known substitutes for Z-538: 365J000 ITEM 65, Z-538, 115-146 and 5 more. Substitute compatibility should be verified for your specific system.
Is Z-538 still available?
Z-538 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026