PartsTable
Technical Data Sheet
Download PDF

S15F3 PIECE 5 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

S15F3 PIECE 5: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL SEAT, special_features: BODY,WITH STELLITE OVERLAY; VALVE SIZE 2.50 IN. IN.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-284-2248, 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
S15F3 PIECE 5
NSN: 4820-01-284-2248
FSC: 4820 — Valves, Nonpowered
CAGE: 79342 — WILLIAM E WILLIAMS VALVE CORP (USA)
SPECIFICATIONS
materialSTEEL SEAT
special_featuresBODY,WITH STELLITE OVERLAY; VALVE SIZE 2.50 IN. IN
NSN4820-01-284-2248
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: S15F3 PIECE 5 · 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
•
MATERIAL: STEEL SEAT
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESBODY,WITH STELLITE OVERLAY; VALVE SIZE 2.50 IN. IN
MATERIALSTEEL SEAT
SUBSTITUTES & CROSS-REFERENCES 2
LHD8656Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
S15F3Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy S15F3 PIECE 5?
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 S15F3 PIECE 5?
S15F3 PIECE 5 is a SEAT,VALVE.
What parts can replace S15F3 PIECE 5?
There are 2 known substitutes for S15F3 PIECE 5: LHD8656, S15F3. Substitute compatibility should be verified for your specific system.
What is the NSN for S15F3 PIECE 5?
S15F3 PIECE 5 is cataloged in the U.S. Government catalog under NSN 4820-01-284-2248. 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 — S15F3 PIECE 5

✓ 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.