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210153591500200 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

210153591500200: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1015 OR STEEL COMP 1025 OVERALL, end_item_identification: 6.000 IN. 1561 CHECK VALVE; MARS CLASS AFS IN, material_document_and_classification: ASTM A-519 ASSN STD SINGLE MATERIAL RESPONSE OVERALL.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-440-0843, 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
210153591500200
NSN: 4820-01-440-0843
FSC: 4820 — Valves, Nonpowered
CAGE: 48422 — WILLIAM POWELL COMPANY, THE DBA POWELL VALVE DIV THE STARFLO CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 1015 OR STEEL COMP 1025 OVERALL
end_item_identification6.000 IN. 1561 CHECK VALVE; MARS CLASS AFS IN
material_document_and_classificationASTM A-519 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN4820-01-440-0843
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 210153591500200 · 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 DOCUMENT AND CLASSIFICATION: ASTM A-519 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL COMP 1015 OR STEEL COMP 1025 OVERALL
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A-519 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
END ITEM IDENTIFICATION6.000 IN. 1561 CHECK VALVE; MARS CLASS AFS IN
MATERIALSTEEL COMP 1015 OR STEEL COMP 1025 OVERALL
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 1
210153595020200Reference 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 210153591500200?
210153591500200 is a SEAT,VALVE.
What parts can replace 210153591500200?
There is 1 known substitute for 210153591500200: 210153595020200. Substitute compatibility should be verified for your specific system.
What is the NSN for 210153591500200?
210153591500200 is cataloged in the U.S. Government catalog under NSN 4820-01-440-0843. 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.