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N11108 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

N11108: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OR STEEL COMP 4142 OR STEEL COMP 4145, thread_class: 2A LOCATION NOT OTHERWISE SPECIFIED A, overall_length: 3.312 INCHES NOMINAL IN, thread_direction: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED, nominal_thread_size: 0.875 INCHES LOCATION NOT OTHERWISE SPECIFIED IN, thread_quantity_per_inch: 9 LOCATION NOT OTHERWISE SPECIFIED. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-234-3292, 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
N11108
NSN: 4820-01-234-3292
NIINs: 012343292, 012343473, 012343649, 013723035
FSC: 4820 — Valves, Nonpowered
CAGE: 63686 — THE WALWORTH COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP 4140 OR STEEL COMP 4142 OR STEEL COMP 4145
thread_class2A LOCATION NOT OTHERWISE SPECIFIED A
overall_length3.312 INCHES NOMINAL IN
thread_directionRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
nominal_thread_size0.875 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
thread_quantity_per_inch9 LOCATION NOT OTHERWISE SPECIFIED
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) LOCATION NOT OTHERWISE SPECIFIED
NSN4820-01-234-3292
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: N11108 · 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
SUBSTITUTES & CROSS-REFERENCES 1
N-11108 PIECE 2 4INCHSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is N11108?
N11108 is a SEAT,VALVE.
What parts can replace N11108?
There is 1 known substitute for N11108: N-11108 PIECE 2 4INCH. Substitute compatibility should be verified for your specific system.
What is the NSN for N11108?
N11108 is cataloged in the U.S. Government catalog under NSN 4820-01-234-3292. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.