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Technical Data Sheet
PartsTable / O-RING / 166757
166757 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, peripheral_diameter: 0.562 INCHES NOMINAL IN, center_hole_diameter: 0.316 INCHES NOMINAL IN, cross-sectional_height: 0.109 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN, cross-sectional_shape_style: SQUARE/RECTANGULAR. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-167-5117, 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
166757
NSN: 5331-00-167-5117
FSC: 5331 — O-RING
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
peripheral_diameter0.562 INCHES NOMINAL IN
center_hole_diameter0.316 INCHES NOMINAL IN
cross-sectional_height0.109 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
cross-sectional_shape_styleSQUARE/RECTANGULAR
NSN5331-00-167-5117
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 166757 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
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
•
OUTSIDE DIAMETER: 1.734 INCHES MINIMUM AND 1.776 INCHES MAXIMUM IN
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 1.534 INCHES MINIMUM AND 1.564 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER FLUOROCARBON CLASS FPM
OUTSIDE DIAMETER1.734 INCHES MINIMUM AND 1.776 INCHES MAXIMUM IN
ELONGATION PERCENTAGE125 MAXIMUM
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
CENTER HOLE DIAMETER1.534 INCHES MINIMUM AND 1.564 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 33
AS3085-012Interchangeable
interchangeable cross-reference
interchangeable
M83248/1-012Interchangeable
interchangeable cross-reference
interchangeable
9469127712Interchangeable
interchangeable cross-reference
interchangeable
30808989 ITEM 23Interchangeable
interchangeable cross-reference
interchangeable
N-999-6082-A-007 ITEM 12Interchangeable
interchangeable cross-reference
interchangeable
M82348/1-136Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 166757?
166757 is a PACKING,PREFORMED.
What parts can replace 166757?
There are 33 known substitutes for 166757: AS3085-012, M83248/1-012, 9469127712 and 30 more. Substitute compatibility should be verified for your specific system.
Is 166757 still available?
166757 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026