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8500A27 — PLUNGER,QUICK RELEASE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8500A27: PLUNGER,QUICK RELEASE.

The PLUNGER,QUICK RELEASE is a the manufacturer industrial component. Key specifications include shape: RECTANGULAR, material: STEEL CORROSION RESISTING OVERALL, thread_length: 0.310 INCHES NOMINAL IN, overall_length: 0.780 INCHES NOMINAL IN, end_pressure_rating: 2.000 POUNDS NOMINAL LBS, end_item_identification: F-22 AIRCRAFT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-497-2277, 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
8500A27
NSN: 5340-01-497-2277
FSC: 5340 — Hardware, Commercial
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
shapeRECTANGULAR
materialSTEEL CORROSION RESISTING OVERALL
thread_length0.310 INCHES NOMINAL IN
overall_length0.780 INCHES NOMINAL IN
end_pressure_rating2.000 POUNDS NOMINAL LBS
end_item_identificationF-22 AIRCRAFT
part_name_assigned_by_controlling_agencySPRING, PLUNGER
NSN5340-01-497-2277
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8500A27 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
•
SHAPE: RECTANGULAR
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
END PRESSURE RATING: 2.000 POUNDS NOMINAL LBS
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.310 INCHES NOMINAL IN
SHAPERECTANGULAR
OVERALL LENGTH0.780 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYSPRING, PLUNGER
END ITEM IDENTIFICATIONF-22 AIRCRAFT
MATERIALSTEEL CORROSION RESISTING OVERALL
END PRESSURE RATING2.000 POUNDS NOMINAL LBS
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8500A27?
8500A27 is a PLUNGER,QUICK RELEASE.
What is the NSN for 8500A27?
8500A27 is cataloged in the U.S. Government catalog under NSN 5340-01-497-2277. 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.