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S54B — PLUNGER,QUICK RELEASE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

S54B: PLUNGER,QUICK RELEASE.

The PLUNGER,QUICK RELEASE is a the manufacturer industrial component. Key specifications include shape: ROUND, thread_length: 0.750 INCHES NOMINAL IN, overall_length: 0.875 INCHES NOMINAL IN, end_pressure_rating: 4.500 POUNDS NOMINAL LBS, nominal_thread_size: 0.250 INCHES IN, thread_quantity_per_inch: 20. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-522-8640, 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
S54B
NSN: 5340-00-522-8640
FSC: 5340 — Hardware, Commercial
CAGE: 01226 — HUTCHINSON AEROSPACE & INDUSTRY, INC. DBA VLIER DIV VLIER (USA)
SPECIFICATIONS
shapeROUND
thread_length0.750 INCHES NOMINAL IN
overall_length0.875 INCHES NOMINAL IN
end_pressure_rating4.500 POUNDS NOMINAL LBS
nominal_thread_size0.250 INCHES IN
thread_quantity_per_inch20
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5340-00-522-8640
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S54B 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
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
THREAD QUANTITY PER INCH: 20
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
END PRESSURE RATING: 4.500 POUNDS NOMINAL LBS
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.750 INCHES NOMINAL IN
SHAPEROUND
OVERALL LENGTH0.875 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.250 INCHES IN
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
END PRESSURE RATING4.500 POUNDS NOMINAL LBS
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 1
2132100-2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S54B?
S54B is a PLUNGER,QUICK RELEASE.
What parts can replace S54B?
There is 1 known substitute for S54B: 2132100-2. Substitute compatibility should be verified for your specific system.
What is the NSN for S54B?
S54B is cataloged in the U.S. Government catalog under NSN 5340-00-522-8640. This indicates validated use in U.S. government and defense supply chains.
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