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200374-6 — COVER,RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

200374-6: COVER,RING.

The COVER,RING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8630, overall_length: 0.375 INCHES NOMINAL IN, inside_diameter: 0.257 INCHES NOMINAL IN, special_features: MANUFACTURERS ITEM NAME: BUSHING, surface_treatment: CADMIUM AND CHROMATE OR ZINC AND CHROMATE, taper_included_angle: 15 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-617-4734, 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
200374-6
NSN: 5330-00-617-4734
NIINs: 006174734, 014673974
FSC: 5330 — Packing and Gasket Materials
CAGE: 75370 — KAYDON RING & SEAL INC DBA SKF PRECISION TECHNOLOGIES (USA)
SPECIFICATIONS
materialSTEEL COMP 8630
overall_length0.375 INCHES NOMINAL IN
inside_diameter0.257 INCHES NOMINAL IN
special_featuresMANUFACTURERS ITEM NAME: BUSHING
surface_treatmentCADMIUM AND CHROMATE OR ZINC AND CHROMATE
taper_included_angle15 DEGREES
tapered_portion_length0.375 INCHES NOMINAL IN
end_item_identificationBELL HELICOPTER MODEL VH-1N
large_end_outside_diameter0.500 INCHES NOMINAL IN
material_document_and_classificationMIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE
surface_treatment_document_and_classificationQQ-P-416, TYPE 2, CLASS 2 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325, TYPE 2, CLASS 2 FED SPEC 2ND TREATMENT RESPONSE
NSN5330-00-617-4734
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 200374-6 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
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 200374-6?
200374-6 is a COVER,RING.
What is the NSN for 200374-6?
200374-6 is cataloged in the U.S. Government catalog under NSN 5330-00-617-4734. This indicates validated use in U.S. government and defense supply chains.
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