PartsTable
Technical Data Sheet
Download PDF

A241586 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

A241586: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: PLASTIC ACETAL OVERALL, overall_height: 1.469 INCHES NOMINAL IN, style_designator: PLAIN, body_inside_diameter: 0.375 INCHES NOMINAL IN, body_outside_diameter: 1.367 INCHES NOMINAL IN, seating_surface_shape: FLAT. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-427-3576, 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
A241586
NSN: 4820-00-427-3576
FSC: 4820 — Valves, Nonpowered
CAGE: 06845 — RAYTHEON COMPANY DBA RAYTHEON CO (USA)
SPECIFICATIONS
materialPLASTIC ACETAL OVERALL
overall_height1.469 INCHES NOMINAL IN
style_designatorPLAIN
body_inside_diameter0.375 INCHES NOMINAL IN
body_outside_diameter1.367 INCHES NOMINAL IN
seating_surface_shapeFLAT
seal_accommodation_typeGROOVED
NSN4820-00-427-3576
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A241586 · 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
•
BODY OUTSIDE DIAMETER: 1.367 INCHES NOMINAL IN
•
SEAL ACCOMMODATION TYPE: GROOVED
•
STYLE DESIGNATOR: PLAIN
•
BODY INSIDE DIAMETER: 0.375 INCHES NOMINAL IN
•
MATERIAL: PLASTIC ACETAL OVERALL
•
SEATING SURFACE SHAPE: FLAT
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.469 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER1.367 INCHES NOMINAL IN
SEAL ACCOMMODATION TYPEGROOVED
STYLE DESIGNATORPLAIN
BODY INSIDE DIAMETER0.375 INCHES NOMINAL IN
MATERIALPLASTIC ACETAL OVERALL
SEATING SURFACE SHAPEFLAT
SUBSTITUTES & CROSS-REFERENCES 2
187976Reference document
Same NSN cross-reference
Reference document — Secondary reference
172873R1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy A241586?
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 A241586?
A241586 is a SEAT,VALVE.
What parts can replace A241586?
There are 2 known substitutes for A241586: 187976, 172873R1. Substitute compatibility should be verified for your specific system.
What is the NSN for A241586?
A241586 is cataloged in the U.S. Government catalog under NSN 4820-00-427-3576. 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 — A241586

✓ 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.