PartsTable
Technical Data Sheet
PartsTable / COMPONENT / N09821

N09821 — Technical Data Sheet

✓ 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: STEEL CORROSION RESISTING OVERALL, thread_class: 2A SINGLE THREADED PORTION A, thread_length: 0.406 INCHES NOMINAL SINGLE THREADED PORTION IN, flange_diameter: 1.495 INCHES MINIMUM AND 1.505 INCHES MAXIMUM IN, style_designator: THREADED FLANGED, seat_angle_in_deg: 45.000 NOMINAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-367-1460, 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
N09821
NSN: 4820-00-367-1460
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
thread_class2A SINGLE THREADED PORTION A
thread_length0.406 INCHES NOMINAL SINGLE THREADED PORTION IN
flange_diameter1.495 INCHES MINIMUM AND 1.505 INCHES MAXIMUM IN
style_designatorTHREADED FLANGED
seat_angle_in_deg45.000 NOMINAL
nominal_thread_size1.265 INCHES SINGLE THREADED PORTION IN
under_flange_height0.406 INCHES NOMINAL IN
body_inside_diameter0.776 INCHES MINIMUM AND 0.786 INCHES MAXIMUM IN
seating_surface_shapeANGULAR
thread_quantity_per_inch16 SINGLE THREADED PORTION
thread_series_designatorUNS SINGLE THREADED PORTION
NSN4820-00-367-1460
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: N09821 · 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
•
THREAD CLASS: 2A SINGLE THREADED PORTION A
•
THREAD LENGTH: 0.406 INCHES NOMINAL SINGLE THREADED PORTION IN
•
NOMINAL THREAD SIZE: 1.265 INCHES SINGLE THREADED PORTION IN
•
UNDER FLANGE HEIGHT: 0.406 INCHES NOMINAL IN
•
THREAD SERIES DESIGNATOR: UNS SINGLE THREADED PORTION
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
STYLE DESIGNATOR: THREADED FLANGED
•
THREAD QUANTITY PER INCH: 16 SINGLE THREADED PORTION
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2A SINGLE THREADED PORTION A
THREAD LENGTH0.406 INCHES NOMINAL SINGLE THREADED PORTION IN
NOMINAL THREAD SIZE1.265 INCHES SINGLE THREADED PORTION IN
UNDER FLANGE HEIGHT0.406 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNS SINGLE THREADED PORTION
MATERIALSTEEL CORROSION RESISTING OVERALL
STYLE DESIGNATORTHREADED FLANGED
THREAD QUANTITY PER INCH16 SINGLE THREADED PORTION
FLANGE DIAMETER1.495 INCHES MINIMUM AND 1.505 INCHES MAXIMUM IN
FLANGE SEAT TO DISK END HEIGHT0.406 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
9821Interchangeable
interchangeable cross-reference
interchangeable
1207Interchangeable
interchangeable cross-reference
interchangeable
SM-C-500672Interchangeable
interchangeable cross-reference
interchangeable
398383Interchangeable
interchangeable cross-reference
interchangeable
666092-716Interchangeable
interchangeable cross-reference
interchangeable
87-6-1-206Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy N09821?
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 N09821?
N09821 is a SEAT,VALVE.
What parts can replace N09821?
There are 8 known substitutes for N09821: 9821, 1207, SM-C-500672 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N09821?
N09821 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-367-1460. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — N09821

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