PartsTable
Technical Data Sheet
159X ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING SEAT, flange_shape: ROUND WITH HOLES ALL ENDS, connection_type: FLANGE ALL ENDS, style_designator: STRAIGHT THRU, mounting_position: HORIZONTAL, nominal_thickness: 0.875 INCHES ALL ENDS IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-467-0127, 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
159X
NSN: 5340-00-467-0127
FSC: 5340
CAGE: 85587 — KEIL LOCK CO INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING SEAT
flange_shapeROUND WITH HOLES ALL ENDS
connection_typeFLANGE ALL ENDS
style_designatorSTRAIGHT THRU
mounting_positionHORIZONTAL
nominal_thickness0.875 INCHES ALL ENDS IN
bolt_hole_quantity8 ALL ENDS
flange_face_designRAISED STRAIGHT ALL ENDS
operating_pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceDISK
face_to_face_distance10.500 INCHES IN
maximum_operating_temp850.0 FAHRENHEIT SINGLE RESPONSE DEGF
NSN5340-00-467-0127
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 159X MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESBRASS OR NICKEL SILVER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
A145HUpgraded Successor
successor cross-reference
successor
145HUpgraded Successor
successor cross-reference
successor
A1145HUpgraded Successor
successor cross-reference
successor
1145HHUpgraded Successor
successor cross-reference
successor
SC13Upgraded Successor
successor cross-reference
successor
159X-2INInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 159X?
159X is a VALVE,CHECK.
What parts can replace 159X?
There are 9 known substitutes for 159X: A145H, 145H, A1145H and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 159X?
159X is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-467-0127. This indicates validated use in U.S. government and defense supply chains.
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