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Z1057AR — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

Z1057AR: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM, hardness_rating: 90.0 SHORE DUROMETER A NOMINAL, outside_diameter: 2.573 INCHES NOMINAL IN, center_hole_diameter: 2.319 INCHES MINIMUM AND 2.355 INCHES MAXIMUM IN, elongation_percentage: 125 MAXIMUM, cross-sectional_height: 0.114 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-088-6871, 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
Z1057AR
NSN: 5331-01-088-6871
FSC: 5331 — O-ring
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM
hardness_rating90.0 SHORE DUROMETER A NOMINAL
outside_diameter2.573 INCHES NOMINAL IN
center_hole_diameter2.319 INCHES MINIMUM AND 2.355 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
cross-sectional_height0.114 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
NSN5331-01-088-6871
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: Z1057AR 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: 0.114 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 2.573 INCHES NOMINAL IN
•
HARDNESS RATING: 90.0 SHORE DUROMETER A NOMINAL
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
CENTER HOLE DIAMETER: 2.319 INCHES MINIMUM AND 2.355 INCHES MAXIMUM IN
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.114 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
OUTSIDE DIAMETER2.573 INCHES NOMINAL IN
HARDNESS RATING90.0 SHORE DUROMETER A NOMINAL
ELONGATION PERCENTAGE125 MAXIMUM
CENTER HOLE DIAMETER2.319 INCHES MINIMUM AND 2.355 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROCARBON CLASS FPM
SUBSTITUTES & CROSS-REFERENCES 8
534-518-81-42Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
5331PL1259341Reference document
Same NSN cross-reference
Reference document — Informative reference only
MIL-R-83248/2Reference document
Same NSN cross-reference
Reference document — Secondary reference
AS3581-932Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
M83248/2-932Reference document
Same NSN cross-reference
Reference document — Government specification standardization
MS28778-932Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is Z1057AR?
Z1057AR is a O-RING.
What parts can replace Z1057AR?
There are 8 known substitutes for Z1057AR: 534-518-81-42, 5331PL1259341, MIL-R-83248/2 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for Z1057AR?
Z1057AR is cataloged in the U.S. Government catalog under NSN 5331-01-088-6871. This indicates validated use in U.S. government and defense supply chains.
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