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PartsTable / COMPONENT / ZZ-H-428 TY1GRBCL1
ZZ-H-428 TY1GRBCL1 ✓ 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 CONNECTOR,PLUG,ELECTRICAL is a the manufacturer industrial component. Key specifications include material: RUBBER ETHYLENE-PROPYLENE CLASS EPM TUBE, temp_rating: -40.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE DEGF, inside_diameter: 1.000 INCHES NOMINAL IN, outside_diameter: 1.219 INCHES NOMINAL IN, burst_test_pressure: 275.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS, end_item_identification: GRUMMAN A10 AIRCRAFT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-287-1811, 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-428 TY1GRBCL1
NSN: 4720-00-287-1811
FSC: 4720
CAGE: 80244 — GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE (USA)
SPECIFICATIONS
materialRUBBER ETHYLENE-PROPYLENE CLASS EPM TUBE
temp_rating-40.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE DEGF
inside_diameter1.000 INCHES NOMINAL IN
outside_diameter1.219 INCHES NOMINAL IN
burst_test_pressure275.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
end_item_identificationGRUMMAN A10 AIRCRAFT
inside_surface_conditionSMOOTH
cross-sectional_shape_styleROUND
measuring_method_and_length20.000 INCHES NOMINAL OVERALL IN
nondefinitive_spec/std_data1 TYPE AND B GRADE AND 1 CLASS
specification/standard_data81343 SAE J20-1 GOVERNMENT SPECIFICATION
departure_from_cited_documentAS MODIFIED BY MEASURING METHOD AND LENGTH
NSN4720-00-287-1811
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: ZZ-H-428 TY1GRBCL1 · 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
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND B GRADE AND 1 CLASS
•
DEPARTURE FROM CITED DOCUMENT: AS MODIFIED BY MEASURING METHOD AND LENGTH
•
BURST TEST PRESSURE: 225.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
•
MATERIAL: RUBBER SYNTHETIC TUBE
•
INSIDE SURFACE CONDITION: SMOOTH
•
LAYER COMPOSITION AND LOCATION: 1ST LAYER RUBBER IMPREGNATED COTTON FABRIC AND OUTER LAYER MOLDED RUBBER
•
MEASURING METHOD AND LENGTH: 20.000 INCHES NOMINAL OVERALL IN
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
NONDEFINITIVE SPEC/STD DATA1 TYPE AND B GRADE AND 1 CLASS
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY MEASURING METHOD AND LENGTH
BURST TEST PRESSURE225.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
MATERIALRUBBER SYNTHETIC TUBE
INSIDE SURFACE CONDITIONSMOOTH
LAYER COMPOSITION AND LOCATION1ST LAYER RUBBER IMPREGNATED COTTON FABRIC AND OUTER LAYER MOLDED RUBBER
MEASURING METHOD AND LENGTH20.000 INCHES NOMINAL OVERALL IN
CROSS-SECTIONAL SHAPE STYLEROUND
INSIDE DIAMETER1.250 INCHES NOMINAL IN
TEMP RATING-40.0 FAHRENHEIT SINGLE RESPONSE DEGF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
630-512Interchangeable
interchangeable cross-reference
interchangeable
942-0630-512Interchangeable
interchangeable cross-reference
interchangeable
7327Interchangeable
interchangeable cross-reference
interchangeable
26040Interchangeable
interchangeable cross-reference
interchangeable
52029Interchangeable
interchangeable cross-reference
interchangeable
58-10027Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ZZ-H-428 TY1GRBCL1?
ZZ-H-428 TY1GRBCL1 is a CONNECTOR,PLUG,ELECTRICAL.
What parts can replace ZZ-H-428 TY1GRBCL1?
There are 20 known substitutes for ZZ-H-428 TY1GRBCL1: 630-512, 942-0630-512, 7327 and 17 more. Substitute compatibility should be verified for your specific system.
Is ZZ-H-428 TY1GRBCL1 still available?
ZZ-H-428 TY1GRBCL1 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