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Technical Data Sheet
GC503H3 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
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PRODUCT OVERVIEW

The CLAMP,HUB is a the manufacturer industrial component. Key specifications include material: STEEL COMP 416, thickness: 0.240 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN, bore_diameter: 0.2500 INCHES NOMINAL IN, overall_width: 0.188 INCHES NOMINAL IN, overall_length: 0.719 INCHES NOMINAL IN, style_designator: ROUND SECTIONAL W/TWO EXTENDED CLAMPING DEVICES. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-00-984-1960, 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
GC503H3
NSN: 3040-00-984-1960
FSC: 3040
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 416
thickness0.240 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN
bore_diameter0.2500 INCHES NOMINAL IN
overall_width0.188 INCHES NOMINAL IN
overall_length0.719 INCHES NOMINAL IN
style_designatorROUND SECTIONAL W/TWO EXTENDED CLAMPING DEVICES
surface_treatmentPASSIVATE
nominal_thread_size0.086 INCHES IN
plain_hole_diameter0.0890 INCHES NOMINAL IN
clamp_securing_hole_styleTHREADED
furnished_items_and_quantity2 SETSCREW
screw_thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN3040-00-984-1960
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CLAMP,HUB TITLE COMPONENT PN GC503H3 MFR CLAMP,HUB
KEY FEATURES
BORE DIAMETER: 0.2500 INCHES NOMINAL IN
THICKNESS: 0.240 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN
CLAMP SECURING HOLE STYLE: THREADED
DISTANCE FROM BORE CENTERLINE TO END: 0.359 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 416 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 51416 ASSN STD SINGLE MATERIAL RESPONSE
STYLE DESIGNATOR: ROUND SECTIONAL W/TWO EXTENDED CLAMPING DEVICES
SURFACE TREATMENT: PASSIVATE
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER0.2500 INCHES NOMINAL IN
THICKNESS0.240 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN
CLAMP SECURING HOLE STYLETHREADED
DISTANCE FROM BORE CENTERLINE TO END0.359 INCHES NOMINAL IN
OVERALL WIDTH0.188 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 416 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 51416 ASSN STD SINGLE MATERIAL RESPONSE
STYLE DESIGNATORROUND SECTIONAL W/TWO EXTENDED CLAMPING DEVICES
SURFACE TREATMENTPASSIVATE
FURNISHED ITEMS AND QUANTITY2 SETSCREW
MATERIALSTEEL COMP 416
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
11040Interchangeable
interchangeable cross-reference
interchangeable
3218348 PIECE 14Interchangeable
interchangeable cross-reference
interchangeable
R-345PC14Interchangeable
interchangeable cross-reference
interchangeable
2-2 5-8X3-4X0-080INCHInterchangeable
interchangeable cross-reference
interchangeable
L18Interchangeable
interchangeable cross-reference
interchangeable
16-11243-00Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is GC503H3?
GC503H3 is a CLAMP,HUB.
What parts can replace GC503H3?
There are 8 known substitutes for GC503H3: 11040, 3218348 PIECE 14, R-345PC14 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for GC503H3?
GC503H3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-00-984-1960. This indicates validated use in U.S. government and defense supply chains.
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