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SSB-54 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The PLUNGER,QUICK RELEASE is a the manufacturer industrial component. Key specifications include shape: ROUND, thread_length: 0.531 INCHES NOMINAL IN, overall_length: 0.566 INCHES NOMINAL IN, end_pressure_rating: 7.000 POUNDS NOMINAL LBS, nominal_thread_size: 0.250 INCHES IN, thread_quantity_per_inch: 20. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-819-0546, 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
SSB-54
NSN: 5340-00-819-0546
FSC: 5340
CAGE: 01226 — HUTCHINSON AEROSPACE & INDUSTRY, INC. DBA VLIER DIV VLIER (USA)
SPECIFICATIONS
shapeROUND
thread_length0.531 INCHES NOMINAL IN
overall_length0.566 INCHES NOMINAL IN
end_pressure_rating7.000 POUNDS NOMINAL LBS
nominal_thread_size0.250 INCHES IN
thread_quantity_per_inch20
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5340-00-819-0546
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SSB-54 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
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
THREAD LENGTH: 0.531 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 20
•
SHAPE: ROUND
•
END PRESSURE RATING: 7.000 POUNDS NOMINAL LBS
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.250 INCHES IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD LENGTH0.531 INCHES NOMINAL IN
THREAD QUANTITY PER INCH20
SHAPEROUND
OVERALL LENGTH0.566 INCHES NOMINAL IN
END PRESSURE RATING7.000 POUNDS NOMINAL LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
F711AInterchangeable
interchangeable cross-reference
interchangeable
B107.10MInterchangeable
interchangeable cross-reference
interchangeable
T86Interchangeable
interchangeable cross-reference
interchangeable
39Interchangeable
interchangeable cross-reference
interchangeable
B5301Interchangeable
interchangeable cross-reference
interchangeable
271AP12AC4DP2AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SSB-54?
SSB-54 is a PLUNGER,QUICK RELEASE.
What parts can replace SSB-54?
There are 22 known substitutes for SSB-54: F711A, B107.10M, T86 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SSB-54?
SSB-54 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-819-0546. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026