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Technical Data Sheet
PartsTable / O-RING / 8D173 ITEM 12
8D173 ITEM 12 ✓ 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 O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER ETHYLENE-PROPYLENE CLASS EPM, center_hole_diameter: 0.238 INCHES NOMINAL IN, cross-sectional_height: 0.070 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-869-5045, 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
8D173 ITEM 12
NSN: 5331-00-869-5045
FSC: 5331 — O-RING
CAGE: 82829 — ALLEN AIRCRAFT PRODUCTS INC (USA)
SPECIFICATIONS
materialRUBBER ETHYLENE-PROPYLENE CLASS EPM
center_hole_diameter0.238 INCHES NOMINAL IN
cross-sectional_height0.070 INCHES NOMINAL IN
NSN5331-00-869-5045
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8D173 ITEM 12 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: 0.070 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.238 INCHES NOMINAL IN
•
MATERIAL: RUBBER ETHYLENE-PROPYLENE CLASS EPM
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.070 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.238 INCHES NOMINAL IN
MATERIALRUBBER ETHYLENE-PROPYLENE CLASS EPM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
NAS 1611-010Interchangeable
interchangeable cross-reference
interchangeable
LL-HX5-4424Interchangeable
interchangeable cross-reference
interchangeable
1000-0030-10Interchangeable
interchangeable cross-reference
interchangeable
NAS1611-010AInterchangeable
interchangeable cross-reference
interchangeable
NAS1613Interchangeable
interchangeable cross-reference
interchangeable
58330-45 ITEM 30Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8D173 ITEM 12?
8D173 ITEM 12 is a O-RING.
What parts can replace 8D173 ITEM 12?
There are 12 known substitutes for 8D173 ITEM 12: NAS 1611-010, LL-HX5-4424, 1000-0030-10 and 9 more. Substitute compatibility should be verified for your specific system.
Is 8D173 ITEM 12 still available?
8D173 ITEM 12 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