PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 21-403-0008
21-403-0008 ✓ 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

ACTUATOR,ELECTROMECHANICAL,ROTAR. Key specifications include material: RUBBER, base_style: WIRE LEADS, DOWN, body_style: CYLINDRICAL SERVO MOUNTED, bulb_style: T (TUBULAR), body_length: 2.438 INCHES NOMINAL IN, shaft_style: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-333-2326, 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
21-403-0008
NSN: 4810-01-333-2326
FSC: 4810
CAGE: 52374 — FLOWSERVE CORP DBA AUTOMAX ACTUATORS DIV FLOWSERVE US COMPANY (USA)
SPECIFICATIONS
materialRUBBER
base_styleWIRE LEADS, DOWN
body_styleCYLINDRICAL SERVO MOUNTED
bulb_styleT (TUBULAR)
body_length2.438 INCHES NOMINAL IN
shaft_styleROUND
pilot_length0.0620 INCHES NOMINAL IN
shaft_length0.750 INCHES NOMINAL IN
shaft_runout0.002 INCHES IN
actuator_typeSINGLE SHAFT
body_diameter1.875 INCHES NOMINAL IN
alignment_typeRIGID
NSN4810-01-333-2326
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21-403-0008 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
A016Interchangeable
interchangeable cross-reference
interchangeable
92296Interchangeable
interchangeable cross-reference
interchangeable
21557Interchangeable
interchangeable cross-reference
interchangeable
SCB422035Interchangeable
interchangeable cross-reference
interchangeable
A016-CNInterchangeable
interchangeable cross-reference
interchangeable
2140-0013Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 21-403-0008?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 21-403-0008?
21-403-0008 is a ACTUATOR,ELECTROMECHANICAL,ROTAR.
What parts can replace 21-403-0008?
There are 8 known substitutes for 21-403-0008: A016, 92296, 21557 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21-403-0008?
21-403-0008 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-333-2326. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 21-403-0008

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026