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Technical Data Sheet
GC5O3W1 ✓ 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 CLAMP,SYNCHRO is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, hole_diameter: 0.099 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN, outside_diameter: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN, style_designator: ROUND, surface_treatment: PASSIVATE, material_thickness: 0.052 INCHES MINIMUM AND 0.062 INCHES MAXIMUM 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 5340-01-436-2863, 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
GC5O3W1
NSN: 5340-01-436-2863
FSC: 5340
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
hole_diameter0.099 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
outside_diameter0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
style_designatorROUND
surface_treatmentPASSIVATE
material_thickness0.052 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
specification/standard_data26512-GC503W MANUFACTURERS SPECIFICATION CONTROL
material_document_and_classificationQQ-S-764, CLASS 303 FED SPEC SINGLE MATERIAL RESPONSE
surface_treatment_document_and_classificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
NSN5340-01-436-2863
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: GC5O3W1 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
SURFACE TREATMENT: PASSIVATE
MATERIAL THICKNESS: 0.052 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-764, CLASS 303 FED SPEC SINGLE MATERIAL RESPONSE
HOLE DIAMETER: 0.099 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
OUTSIDE DIAMETER: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
SPECIFICATION/STANDARD DATA: 26512-GC503W MANUFACTURERS SPECIFICATION CONTROL
STYLE DESIGNATOR: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTPASSIVATE
MATERIAL THICKNESS0.052 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764, CLASS 303 FED SPEC SINGLE MATERIAL RESPONSE
HOLE DIAMETER0.099 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
SPECIFICATION/STANDARD DATA26512-GC503W MANUFACTURERS SPECIFICATION CONTROL
STYLE DESIGNATORROUND
MATERIALSTEEL CORROSION RESISTING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
7HA12106Interchangeable
interchangeable cross-reference
interchangeable
637400Interchangeable
interchangeable cross-reference
interchangeable
C137Interchangeable
interchangeable cross-reference
interchangeable
C13-11Interchangeable
interchangeable cross-reference
interchangeable
15LC19Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is GC5O3W1?
GC5O3W1 is a CLAMP,SYNCHRO.
What parts can replace GC5O3W1?
There are 5 known substitutes for GC5O3W1: 7HA12106, 637400, C137 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for GC5O3W1?
GC5O3W1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-436-2863. This indicates validated use in U.S. government and defense supply chains.
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