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C005053-1 — PLUNGER,QUICK RELEASE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

C005053-1: PLUNGER,QUICK RELEASE.

The PLUNGER,QUICK RELEASE is a the manufacturer industrial component. Key specifications include shape: ROUND, thread_length: 0.578 INCHES NOMINAL IN, overall_length: 0.618 INCHES NOMINAL IN, end_pressure_rating: 9.000 POUNDS NOMINAL LBS, nominal_thread_size: 0.3125 INCHES IN, thread_quantity_per_inch: 18. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-125-0518, 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
C005053-1
NSN: 5340-01-125-0518
FSC: 5340 — Hardware, Commercial
CAGE: 88277 — THE BOEING COMPANY (USA)
SPECIFICATIONS
shapeROUND
thread_length0.578 INCHES NOMINAL IN
overall_length0.618 INCHES NOMINAL IN
end_pressure_rating9.000 POUNDS NOMINAL LBS
nominal_thread_size0.3125 INCHES IN
thread_quantity_per_inch18
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5340-01-125-0518
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: C005053-1 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: 0.578 INCHES NOMINAL IN
•
SHAPE: ROUND
•
NOMINAL THREAD SIZE: 0.3125 INCHES IN
•
THREAD QUANTITY PER INCH: 18
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
END PRESSURE RATING: 9.000 POUNDS NOMINAL LBS
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.578 INCHES NOMINAL IN
SHAPEROUND
OVERALL LENGTH0.618 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.3125 INCHES IN
THREAD QUANTITY PER INCH18
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
END PRESSURE RATING9.000 POUNDS NOMINAL LBS
SUBSTITUTES & CROSS-REFERENCES 3
SSB-56N-024Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
C005053-501Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
SSB-56NReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is C005053-1?
C005053-1 is a PLUNGER,QUICK RELEASE.
What parts can replace C005053-1?
There are 3 known substitutes for C005053-1: SSB-56N-024, C005053-501, SSB-56N. Substitute compatibility should be verified for your specific system.
What is the NSN for C005053-1?
C005053-1 is cataloged in the U.S. Government catalog under NSN 5340-01-125-0518. 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.