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PartsTable / COMPONENT / A6421-014-102
A6421-014-102 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The INDICATOR,SYNCHRONIZATION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, thread_class: 2A A, thread_length: 0.312 INCHES NOMINAL IN, first_end_style: SQUARE, pin_grip_length: 2.312 INCHES NOMINAL IN, thread_direction: RIGHT-HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-057-3368, 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
A6421-014-102
NSN: 4820-01-057-3368
FSC: 4820
CAGE: 01343 — ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY (USA)
SPECIFICATIONS
materialSTEEL COMP 316 OVERALL
thread_class2A A
thread_length0.312 INCHES NOMINAL IN
first_end_styleSQUARE
pin_grip_length2.312 INCHES NOMINAL IN
thread_directionRIGHT-HAND
first_end_locationBOTH ENDS
pin_overall_length2.625 INCHES NOMINAL IN
nominal_thread_size0.138 INCHES IN
pin_overall_diameter0.1380 INCHES NOMINAL IN
special_test_featuresSPECIAL QUALITY CONTROL TESTING
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN4820-01-057-3368
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A6421-014-102 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
LARGEST OUTSIDE DIAMETER: 0.142 INCHES NOMINAL IN
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
MATERIAL: STEEL COMP 316
•
STEM ACTUATING END TYPE: THREADED EXTERNALLY
TECHNICAL CHARACTERISTICS (FLIS)
LARGEST OUTSIDE DIAMETER0.142 INCHES NOMINAL IN
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
CRITICALITY CODE JUSTIFICATIONFEAT
MATERIALSTEEL COMP 316
STEM ACTUATING END TYPETHREADED EXTERNALLY
OVERALL LENGTH2.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
9520Interchangeable
interchangeable cross-reference
interchangeable
17535 GATOR BACKInterchangeable
interchangeable cross-reference
interchangeable
17525Interchangeable
interchangeable cross-reference
interchangeable
ABT9520Interchangeable
interchangeable cross-reference
interchangeable
09520NInterchangeable
interchangeable cross-reference
interchangeable
B9TE9155AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A6421-014-102?
A6421-014-102 is a INDICATOR,SYNCHRONIZATION.
What parts can replace A6421-014-102?
There are 22 known substitutes for A6421-014-102: 9520, 17535 GATOR BACK, 17525 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A6421-014-102?
A6421-014-102 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-057-3368. 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