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Technical Data Sheet
PartsTable / COMPONENT / 12-9640
12-9640 ✓ 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 CLIP,RETAINING is a the manufacturer industrial component. Key specifications include width: 0.188 INCHES NOMINAL IN, material: STEEL, overall_height: 0.625 INCHES NOMINAL IN, stock_diameter: 0.048 INCHES NOMINAL IN, style_designator: PIN, casehardening_indicator: NOT CASEHARDENED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-014-2583, 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
12-9640
NSN: 5340-00-014-2583
FSC: 5340
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
width0.188 INCHES NOMINAL IN
materialSTEEL
overall_height0.625 INCHES NOMINAL IN
stock_diameter0.048 INCHES NOMINAL IN
style_designatorPIN
casehardening_indicatorNOT CASEHARDENED
NSN5340-00-014-2583
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12-9640 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
•
STYLE DESIGNATOR: PIN
•
MATERIAL: STEEL
•
WIDTH: 0.188 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
STOCK DIAMETER: 0.048 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORPIN
MATERIALSTEEL
WIDTH0.188 INCHES NOMINAL IN
OVERALL HEIGHT0.625 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
STOCK DIAMETER0.048 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
142583Interchangeable
interchangeable cross-reference
interchangeable
185431PC261Interchangeable
interchangeable cross-reference
interchangeable
166262PC127Interchangeable
interchangeable cross-reference
interchangeable
AS4855Interchangeable
interchangeable cross-reference
interchangeable
AS4855D02Interchangeable
interchangeable cross-reference
interchangeable
33504Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12-9640?
12-9640 is a CLIP,RETAINING.
What parts can replace 12-9640?
There are 19 known substitutes for 12-9640: 142583, 185431PC261, 166262PC127 and 16 more. Substitute compatibility should be verified for your specific system.
Is 12-9640 still available?
12-9640 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