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N21010542 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

N21010542: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING SEAT, thread_class: 2A SINGLE THREADED PORTION A, thread_length: 0.125 INCHES NOMINAL SINGLE THREADED PORTION IN, overall_height: 0.500 INCHES NOMINAL IN, style_designator: PLAIN THREADED, nominal_thread_size: 0.438 INCHES SINGLE THREADED PORTION IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-151-3732, 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
N21010542
NSN: 4820-01-151-3732
FSC: 4820 — Valves, Nonpowered
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING SEAT
thread_class2A SINGLE THREADED PORTION A
thread_length0.125 INCHES NOMINAL SINGLE THREADED PORTION IN
overall_height0.500 INCHES NOMINAL IN
style_designatorPLAIN THREADED
nominal_thread_size0.438 INCHES SINGLE THREADED PORTION IN
body_inside_diameter0.375 INCHES NOMINAL IN
thread_series_designatorUNF SINGLE THREADED PORTION
NSN4820-01-151-3732
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: N21010542 · 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 LENGTH: 0.125 INCHES NOMINAL SINGLE THREADED PORTION IN
•
STYLE DESIGNATOR: PLAIN THREADED
•
BODY INSIDE DIAMETER: 0.375 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.438 INCHES SINGLE THREADED PORTION IN
•
THREAD CLASS: 2A SINGLE THREADED PORTION A
•
MATERIAL: STEEL CORROSION RESISTING SEAT
•
THREAD SERIES DESIGNATOR: UNF SINGLE THREADED PORTION
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.500 INCHES NOMINAL IN
THREAD LENGTH0.125 INCHES NOMINAL SINGLE THREADED PORTION IN
STYLE DESIGNATORPLAIN THREADED
BODY INSIDE DIAMETER0.375 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.438 INCHES SINGLE THREADED PORTION IN
THREAD CLASS2A SINGLE THREADED PORTION A
MATERIALSTEEL CORROSION RESISTING SEAT
THREAD SERIES DESIGNATORUNF SINGLE THREADED PORTION
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 3
10105-42Reference document
Same NSN cross-reference
Reference document — Secondary reference
10105Reference document
Same NSN cross-reference
Reference document — Secondary reference
210105-42Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is N21010542?
N21010542 is a SEAT,VALVE.
What parts can replace N21010542?
There are 3 known substitutes for N21010542: 10105-42, 10105, 210105-42. Substitute compatibility should be verified for your specific system.
What is the NSN for N21010542?
N21010542 is cataloged in the U.S. Government catalog under NSN 4820-01-151-3732. This indicates validated use in U.S. government and defense supply chains.
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