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ZUSAE70021 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

ZUSAE70021: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE NITRILE, temp_rating: 300.0 FAHRENHEIT DEGF, hardness_rating: 70.0 SHORE DUROMETER A MAXIMUM, center_hole_diameter: 0.926 INCHES NOMINAL IN, cross-sectional_height: 0.07 INCHES NOMINAL IN, end_item_identification: 1240016639471. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-668-6377, 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
ZUSAE70021
NSN: 5331-01-668-6377
FSC: 5331 — O-ring
CAGE: 7NC51 — USA SEALING, INC. (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE NITRILE
temp_rating300.0 FAHRENHEIT DEGF
hardness_rating70.0 SHORE DUROMETER A MAXIMUM
center_hole_diameter0.926 INCHES NOMINAL IN
cross-sectional_height0.07 INCHES NOMINAL IN
end_item_identification1240016639471
part_name_assigned_by_controlling_agencyEPDM O-RING
NSN5331-01-668-6377
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: ZUSAE70021 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
•
TEMP RATING: 300.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.07 INCHES NOMINAL IN
•
HARDNESS RATING: 70.0 SHORE DUROMETER A MAXIMUM
•
COLOR: BLACK
•
CENTER HOLE DIAMETER: 0.926 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUTADIENE NITRILE
TECHNICAL CHARACTERISTICS
TEMP RATING300.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.07 INCHES NOMINAL IN
HARDNESS RATING70.0 SHORE DUROMETER A MAXIMUM
COLORBLACK
CENTER HOLE DIAMETER0.926 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYEPDM O-RING
END ITEM IDENTIFICATION1240016639471
MATERIALRUBBER BUTADIENE NITRILE
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 1
9557K63Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ZUSAE70021?
ZUSAE70021 is a O-RING.
What parts can replace ZUSAE70021?
There is 1 known substitute for ZUSAE70021: 9557K63. Substitute compatibility should be verified for your specific system.
What is the NSN for ZUSAE70021?
ZUSAE70021 is cataloged in the U.S. Government catalog under NSN 5331-01-668-6377. This indicates validated use in U.S. government and defense supply chains.
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