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8500A12 — PLUNGER,QUICK RELEASE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8500A12: PLUNGER,QUICK RELEASE.

The PLUNGER,QUICK RELEASE is a the manufacturer industrial component. Key specifications include shape: ROUND, material: STEEL CORROSION RESISTING OVERALL, thread_class: 2A A, thread_length: 0.375 INCHES NOMINAL IN, overall_length: 1.100 INCHES NOMINAL IN, overall_diameter: 0.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-559-8825, 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
8500A12
NSN: 5340-01-559-8825
FSC: 5340 — Hardware, Commercial
CAGE: 2V507 — MCMASTER-CARR SUPPLY COMPANY (USA)
SPECIFICATIONS
shapeROUND
materialSTEEL CORROSION RESISTING OVERALL
thread_class2A A
thread_length0.375 INCHES NOMINAL IN
overall_length1.100 INCHES NOMINAL IN
overall_diameter0.375 INCHES NOMINAL IN
special_featuresINCLUDES A STUBBY PULL-RING, AT 0.750 INCHES OD, MATERIAL STAINLESS STEEL. RETRACT THE NOSE BY PULLING THE RING. IN
thread_directionRIGHT-HAND
end_pressure_rating0.750 POUNDS MINIMUM AND 3.000 POUNDS MAXIMUM LBS
nominal_thread_size0.375 INCHES IN
end_item_identificationAN/WLD-1(V) REMOTE MINE HUNTING SYSTEM
thread_quantity_per_inch16
NSN5340-01-559-8825
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8500A12 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
•
OVERALL DIAMETER: 0.375 INCHES NOMINAL IN
•
THREAD LENGTH: 0.375 INCHES NOMINAL IN
•
SHAPE: ROUND
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.375 INCHES IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.375 INCHES NOMINAL IN
THREAD LENGTH0.375 INCHES NOMINAL IN
SHAPEROUND
OVERALL LENGTH1.100 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.375 INCHES IN
SPECIAL FEATURESINCLUDES A STUBBY PULL-RING, AT 0.750 INCHES OD, MATERIAL STAINLESS STEEL. RETRACT THE NOSE BY PULLING THE RING. IN
PART NAME ASSIGNED BY CONTROLLING AGENCYSPRING PLUNGER
THREAD CLASS2A A
END ITEM IDENTIFICATIONAN/WLD-1(V) REMOTE MINE HUNTING SYSTEM
SUBSTITUTES & CROSS-REFERENCES 1
8500A29Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8500A12?
8500A12 is a PLUNGER,QUICK RELEASE.
What parts can replace 8500A12?
There is 1 known substitute for 8500A12: 8500A29. Substitute compatibility should be verified for your specific system.
What is the NSN for 8500A12?
8500A12 is cataloged in the U.S. Government catalog under NSN 5340-01-559-8825. 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.