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PRSN-500S — PLUNGER,QUICK RELEASE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

PRSN-500S: PLUNGER,QUICK RELEASE.

The PLUNGER,QUICK RELEASE is a the manufacturer industrial component. Key specifications include shape: HEXAGON, material: STEEL RING, thread_class: 2A A, thread_length: 0.430 INCHES NOMINAL IN, overall_length: 1.440 INCHES NOMINAL IN, mounting_method: THREADED HOLE(S). This part is cataloged in the U.S.

Government catalog under NSN 5340-01-498-9972, 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
PRSN-500S
NSN: 5340-01-498-9972
FSC: 5340 — Hardware, Commercial
CAGE: 01599 — REID SUPPLY COMPANY (USA)
SPECIFICATIONS
shapeHEXAGON
materialSTEEL RING
thread_class2A A
thread_length0.430 INCHES NOMINAL IN
overall_length1.440 INCHES NOMINAL IN
mounting_methodTHREADED HOLE(S)
overall_diameter0.500 INCHES NOMINAL IN
special_featuresHAND RETRACTABLE SPRING PLUNGER; STUBBY RING HANDLE, NON LOCKING
thread_directionRIGHT-HAND
width_across_flats0.500 INCHES NOMINAL IN
end_pressure_rating1.000 POUNDS MINIMUM AND 4.000 POUNDS MAXIMUM LBS
nominal_thread_size0.500 INCHES IN
NSN5340-01-498-9972
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: PRSN-500S 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
•
MOUNTING FACILITY DIAMETER: 0.500 INCHES NOMINAL IN
•
WIDTH ACROSS FLATS: 0.500 INCHES NOMINAL IN
•
MOUNTING FACILITY QUANTITY: 1
•
OVERALL DIAMETER: 0.500 INCHES NOMINAL IN
•
MOUNTING METHOD: THREADED HOLE(S)
•
THREAD LENGTH: 0.430 INCHES NOMINAL IN
•
SHAPE: HEXAGON
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY DIAMETER0.500 INCHES NOMINAL IN
WIDTH ACROSS FLATS0.500 INCHES NOMINAL IN
MOUNTING FACILITY QUANTITY1
OVERALL DIAMETER0.500 INCHES NOMINAL IN
MOUNTING METHODTHREADED HOLE(S)
THREAD LENGTH0.430 INCHES NOMINAL IN
SHAPEHEXAGON
OVERALL LENGTH1.440 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.500 INCHES IN
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is PRSN-500S?
PRSN-500S is a PLUNGER,QUICK RELEASE.
What is the NSN for PRSN-500S?
PRSN-500S is cataloged in the U.S. Government catalog under NSN 5340-01-498-9972. 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.