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061521 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

061521: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include center_hole_diameter: 135.0 MILLIMETERS NOMINAL MM, cross-sectional_height: 5.0 MILLIMETERS NOMINAL MM, end_item_identification: WATERJET, MAR, part_name_assigned_by_controlling_agency: O-RING 135X5 N70. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-681-4917, 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
061521
NSN: 5331-01-681-4917
FSC: 5331 — O-ring
CAGE: 6M451 — KRAFT POWER CORPORATION DBA KRAFT POWER CORP (USA)
SPECIFICATIONS
center_hole_diameter135.0 MILLIMETERS NOMINAL MM
cross-sectional_height5.0 MILLIMETERS NOMINAL MM
end_item_identificationWATERJET, MAR
part_name_assigned_by_controlling_agencyO-RING 135X5 N70
NSN5331-01-681-4917
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 061521 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: 5.0 MILLIMETERS NOMINAL MM
•
CENTER HOLE DIAMETER: 135.0 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT5.0 MILLIMETERS NOMINAL MM
CENTER HOLE DIAMETER135.0 MILLIMETERS NOMINAL MM
PART NAME ASSIGNED BY CONTROLLING AGENCYO-RING 135X5 N70
END ITEM IDENTIFICATIONWATERJET, MAR
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 061521?
061521 is a O-RING.
What is the NSN for 061521?
061521 is cataloged in the U.S. Government catalog under NSN 5331-01-681-4917. This indicates validated use in U.S. government and defense supply chains.
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