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GC500BC — STRAP,RETAINING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

GC500BC: STRAP,RETAINING.

The STRAP,RETAINING is a the manufacturer industrial component. Key specifications include cushion: INCLUDED, material: RUBBER SILICONE CUSHIONING, mounting_pad: INCLUDED, overall_width: 0.620 INCHES NOMINAL IN, overall_length: 2.415 INCHES NOMINAL IN, special_features: SILICONE TEMP -62C TO 204C; BAND TEMP -196C TO 93C. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-349-5919, 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
GC500BC
NSN: 5340-01-349-5919
NIINs: 013495919, 017024548, 017334995
FSC: 5340 — Hardware, Commercial
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
cushionINCLUDED
materialRUBBER SILICONE CUSHIONING
mounting_padINCLUDED
arch_quantity1
overall_width0.620 INCHES NOMINAL IN
overall_length2.415 INCHES NOMINAL IN
special_featuresSILICONE TEMP -62C TO 204C; BAND TEMP -196C TO 93C
style_designatorSADDLE ARCH
material_thickness0.064 INCHES NOMINAL IN
mounting_hole_size0.199 INCHES NOMINAL IN
inside_diameter/arch_length2.469 INCHES MINIMUM AND 2.531 INCHES MAXIMUM IN
material_document_and_classificationAMS-QQ-A-250/5 AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE BONDING STRIP
NSN5340-01-349-5919
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: GC500BC 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
•
MOUNTING HOLE SIZE: 0.199 INCHES NOMINAL IN
•
DISTANCE BETWEEN MOUNTING HOLE CENTERS: 1.915 INCHES NOMINAL IN
•
MOUNTING PAD: INCLUDED
•
STYLE DESIGNATOR: SADDLE ARCH
•
MATERIAL THICKNESS: 0.051 INCHES NOMINAL IN
•
CUSHION: INCLUDED
TECHNICAL CHARACTERISTICS
MOUNTING HOLE SIZE0.199 INCHES NOMINAL IN
DISTANCE BETWEEN MOUNTING HOLE CENTERS1.915 INCHES NOMINAL IN
MOUNTING PADINCLUDED
STYLE DESIGNATORSADDLE ARCH
OVERALL LENGTH2.415 INCHES NOMINAL IN
OVERALL WIDTH0.500 INCHES NOMINAL IN
MATERIAL THICKNESS0.051 INCHES NOMINAL IN
CUSHIONINCLUDED
DISTANCE BETWEEN BASE AND INSIDE OF ARCH1.083 INCHES NOMINAL IN
MATERIALRUBBER SILICONE CLASS Q CUSHIONING
SUBSTITUTES & CROSS-REFERENCES 1
751SS16-8HTSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is GC500BC?
GC500BC is a STRAP,RETAINING.
What parts can replace GC500BC?
There is 1 known substitute for GC500BC: 751SS16-8HT. Substitute compatibility should be verified for your specific system.
What is the NSN for GC500BC?
GC500BC is cataloged in the U.S. Government catalog under NSN 5340-01-349-5919. 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.