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8498A63 — PLUNGER,QUICK RELEASE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8498A63: PLUNGER,QUICK RELEASE.

The PLUNGER,QUICK RELEASE is a the manufacturer industrial component. Key specifications include shape: ROUND, material: STEEL OVERALL, thread_length: 0.750 INCHES NOMINAL IN, overall_length: 1.130 INCHES NOMINAL IN, part_name_assigned_by_controlling_agency: PLUNGER,QUICK RELEASE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-544-1874, 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
8498A63
NSN: 5340-01-544-1874
FSC: 5340 — Hardware, Commercial
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
shapeROUND
materialSTEEL OVERALL
thread_length0.750 INCHES NOMINAL IN
overall_length1.130 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyPLUNGER,QUICK RELEASE
NSN5340-01-544-1874
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8498A63 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: 0.750 INCHES NOMINAL IN
•
SHAPE: ROUND
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.750 INCHES NOMINAL IN
SHAPEROUND
OVERALL LENGTH1.130 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYPLUNGER,QUICK RELEASE
MATERIALSTEEL OVERALL
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 8498A63?
8498A63 is a PLUNGER,QUICK RELEASE.
What is the NSN for 8498A63?
8498A63 is cataloged in the U.S. Government catalog under NSN 5340-01-544-1874. 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.