PartsTable
Technical Data Sheet
Download PDF

AS1-201-SC — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

AS1-201-SC: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, seating_surface_shape: FLAT. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-252-6157, 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
AS1-201-SC
NSN: 4820-01-252-6157
NIINs: 012526157, 012526158, 012526341
FSC: 4820 — Valves, Nonpowered
CAGE: 76873 — OIC VALVE CORP (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
seating_surface_shapeFLAT
NSN4820-01-252-6157
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: AS1-201-SC · 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 CORROSION RESISTING OVERALL
•
SEATING SURFACE SHAPE: FLAT
TECHNICAL CHARACTERISTICS
MATERIALSTEEL CORROSION RESISTING OVERALL
SEATING SURFACE SHAPEFLAT
SUBSTITUTES & CROSS-REFERENCES 3
AW-201-SC ITEM 7Reference document
Same NSN cross-reference
Reference document — Secondary reference
BS2011532XSC25-Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
AS1-201-SC ITEM 7Reference 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
Ready to buy AS1-201-SC?
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 AS1-201-SC?
AS1-201-SC is a SEAT,VALVE.
What parts can replace AS1-201-SC?
There are 3 known substitutes for AS1-201-SC: AW-201-SC ITEM 7, BS2011532XSC25-, AS1-201-SC ITEM 7. Substitute compatibility should be verified for your specific system.
What is the NSN for AS1-201-SC?
AS1-201-SC is cataloged in the U.S. Government catalog under NSN 4820-01-252-6157. 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 — AS1-201-SC

✓ 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.