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Technical Data Sheet
PartsTable / COMPONENT / 8366139
8366139 ✓ 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 PLUNGER,QUICK RELEASE is a the manufacturer industrial component. Key specifications include shape: ROUND, thread_length: 0.750 INCHES NOMINAL IN, overall_length: 0.875 INCHES NOMINAL IN, end_pressure_rating: 7.000 POUNDS NOMINAL LBS, nominal_thread_size: 0.190 INCHES IN, thread_quantity_per_inch: 32. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-527-9912, 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
8366139
NSN: 5340-00-527-9912
FSC: 5340
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
shapeROUND
thread_length0.750 INCHES NOMINAL IN
overall_length0.875 INCHES NOMINAL IN
end_pressure_rating7.000 POUNDS NOMINAL LBS
nominal_thread_size0.190 INCHES IN
thread_quantity_per_inch32
thread_series_designatorUNF
NSN5340-00-527-9912
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8366139 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
•
THREAD QUANTITY PER INCH: 32
•
SHAPE: ROUND
•
THREAD SERIES DESIGNATOR: UNF
•
THREAD LENGTH: 0.750 INCHES NOMINAL IN
•
END PRESSURE RATING: 7.000 POUNDS NOMINAL LBS
•
NOMINAL THREAD SIZE: 0.190 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH32
SHAPEROUND
THREAD SERIES DESIGNATORUNF
OVERALL LENGTH0.875 INCHES NOMINAL IN
THREAD LENGTH0.750 INCHES NOMINAL IN
END PRESSURE RATING7.000 POUNDS NOMINAL LBS
NOMINAL THREAD SIZE0.190 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
52Interchangeable
interchangeable cross-reference
interchangeable
7936820-065Interchangeable
interchangeable cross-reference
interchangeable
GL12-1Interchangeable
interchangeable cross-reference
interchangeable
5021-0375Interchangeable
interchangeable cross-reference
interchangeable
51-10046Interchangeable
interchangeable cross-reference
interchangeable
SG-1094/UInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8366139?
8366139 is a PLUNGER,QUICK RELEASE.
What parts can replace 8366139?
There are 13 known substitutes for 8366139: 52, 7936820-065, GL12-1 and 10 more. Substitute compatibility should be verified for your specific system.
Is 8366139 still available?
8366139 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