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Technical Data Sheet
PartsTable / O-RING / A2600-6
A2600-6 ✓ Verified by PartsTable
Tefal · 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 Tefal industrial component. Key specifications include material: COPPER ALLOY SEAT, valve_size: 4.000 INCHES IN, flange_shape: ROUND WITH HOLES ALL ENDS, connection_type: FLANGE ALL ENDS, style_designator: STRAIGHT THRU FLANGED ENDS, mounting_position: HORIZONTAL OR VERTICAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-052-1116, 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
A2600-6
NSN: 5331-01-052-1116
FSC: 5331 — O-RING
CAGE: 91940 — ORTMAN FLUID POWER QUINCY COMPRESSOR DIV SUB OF COLTEC INDUSTRIES INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY SEAT
valve_size4.000 INCHES IN
flange_shapeROUND WITH HOLES ALL ENDS
connection_typeFLANGE ALL ENDS
style_designatorSTRAIGHT THRU FLANGED ENDS
mounting_positionHORIZONTAL OR VERTICAL
nominal_thickness1.250 INCHES ALL ENDS IN
bolt_hole_quantity8 ALL ENDS
flange_face_designPLAIN ALL ENDS
operating_pressure175.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceDISK
face_to_face_distance12.875 INCHES IN
NSN5331-01-052-1116
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A2600-6 MFR: Tefal ⚠ 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
KEY FEATURES
•
MATERIAL: RUBBER SYNTHETIC
•
CROSS-SECTIONAL HEIGHT: 0.062 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER SYNTHETIC
CROSS-SECTIONAL HEIGHT0.062 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
31-46SB060Interchangeable
interchangeable cross-reference
interchangeable
26006Interchangeable
interchangeable cross-reference
interchangeable
26006AInterchangeable
interchangeable cross-reference
interchangeable
5325PL1939388Interchangeable
interchangeable cross-reference
interchangeable
55132-106Interchangeable
interchangeable cross-reference
interchangeable
C3747606-HInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A2600-6?
A2600-6 is a VALVE,CHECK manufactured by Tefal.
What parts can replace A2600-6?
There are 12 known substitutes for A2600-6: 31-46SB060, 26006, 26006A and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A2600-6?
A2600-6 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-052-1116. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026