PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 45021L6
45021L6 ✓ 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 SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: GRAPHITE OVERALL, hole_diameter: 0.562 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 12.125 INCHES NOMINAL IN, aperture_width: 9.625 INCHES NOMINAL IN, overall_length: 12.125 INCHES NOMINAL IN, aperture_length: 9.625 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-237-6224, 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
45021L6
NSN: 4820-01-237-6224
FSC: 4820
CAGE: 91816 — CIRCOR AEROSPACE, INC. DBA CIRCOR AEROSPACE INC (USA)
SPECIFICATIONS
materialGRAPHITE OVERALL
hole_diameter0.562 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width12.125 INCHES NOMINAL IN
aperture_width9.625 INCHES NOMINAL IN
overall_length12.125 INCHES NOMINAL IN
aperture_length9.625 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
bolt_hole_quantity8
inside_corner_radius0.500 INCHES NOMINAL IN
outside_corner_radius1.500 INCHES NOMINAL IN
cross-sectional_thickness0.031 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN4820-01-237-6224
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 45021L6 · 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 10
5033Interchangeable
interchangeable cross-reference
interchangeable
3012BInterchangeable
interchangeable cross-reference
interchangeable
HE274-0004-0001Interchangeable
interchangeable cross-reference
interchangeable
1-1063Interchangeable
interchangeable cross-reference
interchangeable
1F5041Interchangeable
interchangeable cross-reference
interchangeable
3012B00V-0.5SInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 45021L6?
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 45021L6?
45021L6 is a SEAT,VALVE.
What parts can replace 45021L6?
There are 10 known substitutes for 45021L6: 5033, 3012B, HE274-0004-0001 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 45021L6?
45021L6 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-237-6224. 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 — 45021L6

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