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6274853 — COUPLING,SHAFT,FLEXIBLE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6274853: COUPLING,SHAFT,FLEXIBLE.

The COUPLING,SHAFT,FLEXIBLE is a the manufacturer industrial component. Key specifications include length: 6.380 INCHES NOMINAL IN, material: RUBBER ETHYLENE-PROPYLENE CLASS EPM LOCATION NOT OTHERWISE SPECIFIED, surface_condition: SMOOTH BOTH SIDES, fabrication_method: SOLID, environmental_protection: OZONE RESISTANT, cross-sectional_shape_style: CIRCULAR W/ CENTER APERTURE. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-159-4777, 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
6274853
NSN: 5330-01-159-4777
NIINs: 011594777, 016096284
FSC: 5330 — Packing and Gasket Materials
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
length6.380 INCHES NOMINAL IN
materialRUBBER ETHYLENE-PROPYLENE CLASS EPM LOCATION NOT OTHERWISE SPECIFIED
surface_conditionSMOOTH BOTH SIDES
fabrication_methodSOLID
environmental_protectionOZONE RESISTANT
cross-sectional_shape_styleCIRCULAR W/ CENTER APERTURE
nonmetallic_hardness_rating45.0 MINIMUM SHORE DUROMETER A AND 55.0 MAXIMUM SHORE DUROMETER A
cross_section_inside_diameter0.320 INCHES NOMINAL IN
cross_section_outside_diameter0.580 INCHES NOMINAL IN
material_document_and_classificationASTM D2000 GRADE 2BA515 ASSN STD SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
NSN5330-01-159-4777
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6274853 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
•
LENGTH: 6.380 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM D2000 GRADE 2BA515 ASSN STD SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
•
SURFACE CONDITION: SMOOTH BOTH SIDES
•
CROSS-SECTIONAL SHAPE STYLE: CIRCULAR W/ CENTER APERTURE
•
CROSS SECTION INSIDE DIAMETER: 0.320 INCHES NOMINAL IN
•
ENVIRONMENTAL PROTECTION: OZONE RESISTANT
•
CROSS SECTION OUTSIDE DIAMETER: 0.580 INCHES NOMINAL IN
•
MATERIAL: RUBBER ETHYLENE-PROPYLENE CLASS EPM LOCATION NOT OTHERWISE SPECIFIED
TECHNICAL CHARACTERISTICS
LENGTH6.380 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM D2000 GRADE 2BA515 ASSN STD SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
SURFACE CONDITIONSMOOTH BOTH SIDES
CROSS-SECTIONAL SHAPE STYLECIRCULAR W/ CENTER APERTURE
CROSS SECTION INSIDE DIAMETER0.320 INCHES NOMINAL IN
ENVIRONMENTAL PROTECTIONOZONE RESISTANT
CROSS SECTION OUTSIDE DIAMETER0.580 INCHES NOMINAL IN
MATERIALRUBBER ETHYLENE-PROPYLENE CLASS EPM LOCATION NOT OTHERWISE SPECIFIED
FABRICATION METHODSOLID
NONMETALLIC HARDNESS RATING45.0 MINIMUM SHORE DUROMETER A AND 55.0 MAXIMUM SHORE DUROMETER A
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 6274853?
6274853 is a COUPLING,SHAFT,FLEXIBLE.
What is the NSN for 6274853?
6274853 is cataloged in the U.S. Government catalog under NSN 5330-01-159-4777. 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.