PartsTable
Technical Data Sheet
T56-23 ✓ 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 PILOT,VALVE SEAT REFACING is a the manufacturer industrial component. Key specifications include material: CELLULOSE OVERALL, design_type: SOLID, lower_end_length: 4.000 INCHES NOMINAL IN, outside_diameter: 0.570 INCHES NOMINAL IN, style_designator: ROUND, upper_end_length: 5.000 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-176-4123, 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
T56-23
NSN: 5330-00-176-4123
FSC: 5330
CAGE: 72260 — CORBITT CO INC (USA)
SPECIFICATIONS
materialCELLULOSE OVERALL
design_typeSOLID
lower_end_length4.000 INCHES NOMINAL IN
outside_diameter0.570 INCHES NOMINAL IN
style_designatorROUND
upper_end_length5.000 INCHES NOMINAL IN
aperture_diameter0.380 INCHES NOMINAL IN
upper_end_diameter0.5625 INCHES NOMINAL IN
cross-sectional_thickness0.039 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-G-12803,NO. 3200-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-176-4123
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: T56-23 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
KEY FEATURES
OUTSIDE DIAMETER: 0.570 INCHES NOMINAL IN
APERTURE DIAMETER: 0.380 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
CROSS-SECTIONAL THICKNESS: 0.039 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
STYLE DESIGNATOR: CIRCULAR
MATERIAL: CELLULOSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-12803,NO. 3200-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER0.570 INCHES NOMINAL IN
APERTURE DIAMETER0.380 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
CROSS-SECTIONAL THICKNESS0.039 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
STYLE DESIGNATORCIRCULAR
MATERIALCELLULOSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-12803,NO. 3200-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
22CR177Interchangeable
interchangeable cross-reference
interchangeable
14HE207Interchangeable
interchangeable cross-reference
interchangeable
6082Interchangeable
interchangeable cross-reference
interchangeable
418255-67Interchangeable
interchangeable cross-reference
interchangeable
MS51958-67Interchangeable
interchangeable cross-reference
interchangeable
AN520C10R16Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is T56-23?
T56-23 is a PILOT,VALVE SEAT REFACING.
What parts can replace T56-23?
There are 20 known substitutes for T56-23: 22CR177, 14HE207, 6082 and 17 more. Substitute compatibility should be verified for your specific system.
Is T56-23 still available?
T56-23 is currently cancelled.
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