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8500A11 — PLUNGER,QUICK RELEASE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8500A11: PLUNGER,QUICK RELEASE.

The PLUNGER,QUICK RELEASE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, thread_class: 2A A, thread_length: 0.310 INCHES NOMINAL IN, overall_length: 0.810 INCHES NOMINAL IN, special_features: PULL RING DIAMETER 0.750 NOMINAL INCH, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-588-9392, 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
8500A11
NSN: 5340-01-588-9392
FSC: 5340 — Hardware, Commercial
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
thread_class2A A
thread_length0.310 INCHES NOMINAL IN
overall_length0.810 INCHES NOMINAL IN
special_featuresPULL RING DIAMETER 0.750 NOMINAL INCH
thread_directionRIGHT-HAND
end_pressure_rating0.500 POUNDS MINIMUM AND 2.000 POUNDS MAXIMUM LBS
nominal_thread_size0.250 INCHES IN
thread_quantity_per_inch20
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
part_name_assigned_by_controlling_agencyHAND-RETRACTABLE SPRING PLUNGER WITH HANDLE, NO LOCKING ELEMENT
NSN5340-01-588-9392
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8500A11 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 LENGTH: 0.310 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
THREAD CLASS: 2A A
•
THREAD QUANTITY PER INCH: 20
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.310 INCHES NOMINAL IN
OVERALL LENGTH0.810 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.250 INCHES IN
SPECIAL FEATURESPULL RING DIAMETER 0.750 NOMINAL INCH
PART NAME ASSIGNED BY CONTROLLING AGENCYHAND-RETRACTABLE SPRING PLUNGER WITH HANDLE, NO LOCKING ELEMENT
THREAD CLASS2A A
THREAD QUANTITY PER INCH20
MATERIALSTEEL CORROSION RESISTING OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8500A11?
8500A11 is a PLUNGER,QUICK RELEASE.
What is the NSN for 8500A11?
8500A11 is cataloged in the U.S. Government catalog under NSN 5340-01-588-9392. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.