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PartsTable / COMPONENT / A21571
A21571 ✓ 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 TERMINAL,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, nut_style: HEXAGON, tab_width: 0.250 INCHES IN, body_style: PLAIN, SOLID, body_width: 1.312 INCHES MAXIMUM IN, bore_style: W/ KEYWAY BOTH ENDS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-289-2615, 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
A21571
NSN: 4720-00-289-2615
FSC: 4720
CAGE: 10988 — CNH INDUSTRIAL AMERICA LLC DBA CNH AMERICA (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
nut_styleHEXAGON
tab_width0.250 INCHES IN
body_stylePLAIN, SOLID
body_width1.312 INCHES MAXIMUM IN
bore_styleW/ KEYWAY BOTH ENDS
nut_height0.282 INCHES NOMINAL IN
teeth_typeSTRAIGHT
body_height1.375 INCHES MAXIMUM IN
body_length1.625 INCHES MAXIMUM IN
lubricationDRY FILM LUBRICANT
temp_rating550.0 FAHRENHEIT NOMINAL DEGF
NSN4720-00-289-2615
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: A21571 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
H106Interchangeable
interchangeable cross-reference
interchangeable
660E0023Interchangeable
interchangeable cross-reference
interchangeable
660Z0042Interchangeable
interchangeable cross-reference
interchangeable
8528832Interchangeable
interchangeable cross-reference
interchangeable
486019-3Interchangeable
interchangeable cross-reference
interchangeable
RMLHTM62WInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A21571?
A21571 is a TERMINAL,QUICK DISCONNECT.
What parts can replace A21571?
There are 28 known substitutes for A21571: H106, 660E0023, 660Z0042 and 25 more. Substitute compatibility should be verified for your specific system.
Is A21571 still available?
A21571 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