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6283971 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6283971: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROSILICONE CLASS FQ, center_hole_diameter: 3.717 INCHES MINIMUM AND 3.757 INCHES MAXIMUM IN, cross-sectional_height: 0.098 INCHES MINIMUM AND 0.108 INCHES MAXIMUM IN, end_item_identification: OA15686 MK26 MOD0 GMLS. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-321-7201, 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
6283971
NSN: 5331-01-321-7201
FSC: 5331 — O-ring
CAGE: 07700 — TECHNICAL WIRE PRODUCTS, LLC DBA TWP (USA)
SPECIFICATIONS
materialRUBBER FLUOROSILICONE CLASS FQ
center_hole_diameter3.717 INCHES MINIMUM AND 3.757 INCHES MAXIMUM IN
cross-sectional_height0.098 INCHES MINIMUM AND 0.108 INCHES MAXIMUM IN
end_item_identificationOA15686 MK26 MOD0 GMLS
NSN5331-01-321-7201
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6283971 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
•
CROSS-SECTIONAL HEIGHT: 0.098 INCHES MINIMUM AND 0.108 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 3.717 INCHES MINIMUM AND 3.757 INCHES MAXIMUM IN
•
MATERIAL: RUBBER FLUOROSILICONE CLASS FQ
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.098 INCHES MINIMUM AND 0.108 INCHES MAXIMUM IN
CENTER HOLE DIAMETER3.717 INCHES MINIMUM AND 3.757 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONOA15686 MK26 MOD0 GMLS
MATERIALRUBBER FLUOROSILICONE CLASS FQ
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
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 6283971?
6283971 is a O-RING.
What is the NSN for 6283971?
6283971 is cataloged in the U.S. Government catalog under NSN 5331-01-321-7201. 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.