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Technical Data Sheet
PartsTable / O-RING / DP9957
DP9957 ✓ 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 center_hole_diameter: 0.500 INCHES NOMINAL IN, cross-sectional_height: 0.125 INCHES NOMINAL IN, end_item_identification: 2320-01-488-6962, part_name_assigned_by_controlling_agency: 10 1/2ID X 1/8W O-RING W. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-525-0160, 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
DP9957
NSN: 5331-01-525-0160
FSC: 5331 — O-RING
CAGE: F9980 — JIGE INTERNATIONAL (FRA)
SPECIFICATIONS
center_hole_diameter0.500 INCHES NOMINAL IN
cross-sectional_height0.125 INCHES NOMINAL IN
end_item_identification2320-01-488-6962
part_name_assigned_by_controlling_agency10 1/2ID X 1/8W O-RING W
NSN5331-01-525-0160
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: DP9957 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
•
CENTER HOLE DIAMETER: 0.500 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
PART NAME ASSIGNED BY CONTROLLING AGENCY10 1/2ID X 1/8W O-RING W
CENTER HOLE DIAMETER0.500 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.125 INCHES NOMINAL IN
END ITEM IDENTIFICATION2320-01-488-6962
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
CC1531666Interchangeable
interchangeable cross-reference
interchangeable
CFR40112Interchangeable
interchangeable cross-reference
interchangeable
9957Interchangeable
interchangeable cross-reference
interchangeable
SC12272683Interchangeable
interchangeable cross-reference
interchangeable
12272683Interchangeable
interchangeable cross-reference
interchangeable
11263Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is DP9957?
DP9957 is a O-RING.
What parts can replace DP9957?
There are 11 known substitutes for DP9957: CC1531666, CFR40112, 9957 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for DP9957?
DP9957 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-525-0160. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026