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GC500BB64A8 — CLAMP,LOOP

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

GC500BB64A8: CLAMP,LOOP.

The CLAMP,LOOP is a the manufacturer industrial component. Key specifications include diameter: 0.199 INCHES NOMINAL IN, material: ALUMINUM ALLOY 2024 BAND, overall_width: 0.500 INCHES NOMINAL IN, style_designator: CENTER MOUNT, surface_treatment: ANODIZE BAND, material_thickness: 0.064 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-083-5220, 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
GC500BB64A8
NSN: 5340-00-083-5220
FSC: 5340 — Hardware, Commercial
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
diameter0.199 INCHES NOMINAL IN
materialALUMINUM ALLOY 2024 BAND
overall_width0.500 INCHES NOMINAL IN
style_designatorCENTER MOUNT
surface_treatmentANODIZE BAND
material_thickness0.064 INCHES NOMINAL IN
loop_inside_diameter4.000 INCHES NOMINAL IN
specification/standard_data26512-GC500B MANUFACTURERS SPECIFICATION
integral_nut_type_and_quantity1 SELF-LOCKING EQUAL LENGTH TONGUES
material_document_and_classificationQQ-A-250/5,T4 FED SPEC SINGLE MATERIAL RESPONSE BAND
distance_from_loop_center_to_tongue_end2.658 INCHES NOMINAL IN
surface_treatment_document_and_classificationMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE BAND
NSN5340-00-083-5220
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: GC500BB64A8 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 DOCUMENT AND CLASSIFICATION: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE BAND
•
STYLE DESIGNATOR: CENTER MOUNT
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/5,T4 FED SPEC SINGLE MATERIAL RESPONSE BAND
•
DIAMETER: 0.199 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.064 INCHES NOMINAL IN
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 2.658 INCHES NOMINAL IN
•
SPECIFICATION/STANDARD DATA: 26512-GC500B MANUFACTURERS SPECIFICATION
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE BAND
STYLE DESIGNATORCENTER MOUNT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/5,T4 FED SPEC SINGLE MATERIAL RESPONSE BAND
DIAMETER0.199 INCHES NOMINAL IN
OVERALL WIDTH0.500 INCHES NOMINAL IN
MATERIAL THICKNESS0.064 INCHES NOMINAL IN
DISTANCE FROM LOOP CENTER TO TONGUE END2.658 INCHES NOMINAL IN
SPECIFICATION/STANDARD DATA26512-GC500B MANUFACTURERS SPECIFICATION
SURFACE TREATMENTANODIZE BAND
INTEGRAL NUT TYPE AND QUANTITY1 SELF-LOCKING EQUAL LENGTH TONGUES
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 2
738EA64-8Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
738AE64-8Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is GC500BB64A8?
GC500BB64A8 is a CLAMP,LOOP.
What parts can replace GC500BB64A8?
There are 2 known substitutes for GC500BB64A8: 738EA64-8, 738AE64-8. Substitute compatibility should be verified for your specific system.
What is the NSN for GC500BB64A8?
GC500BB64A8 is cataloged in the U.S. Government catalog under NSN 5340-00-083-5220. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.