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Technical Data Sheet
SSM-50A ✓ 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: 0.437 INCHES NOMINAL IN, overall_length: 0.437 INCHES NOMINAL IN, nominal_thread_size: 0.164 INCHES IN, thread_quantity_per_inch: 32, thread_series_designator: UNIFIED NATIONAL COARSE (UNC). This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-294-1491, 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
SSM-50A
NSN: 5340-01-294-1491
FSC: 5340
CAGE: 01226 — HUTCHINSON AEROSPACE & INDUSTRY, INC. DBA VLIER DIV VLIER (USA)
SPECIFICATIONS
shapeROUND
thread_length0.437 INCHES NOMINAL IN
overall_length0.437 INCHES NOMINAL IN
nominal_thread_size0.164 INCHES IN
thread_quantity_per_inch32
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5340-01-294-1491
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SSM-50A 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
SHAPE: ROUND
NOMINAL THREAD SIZE: 0.164 INCHES IN
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH: 32
THREAD LENGTH: 0.437 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SHAPEROUND
NOMINAL THREAD SIZE0.164 INCHES IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
OVERALL LENGTH0.437 INCHES NOMINAL IN
THREAD QUANTITY PER INCH32
THREAD LENGTH0.437 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
700450Interchangeable
interchangeable cross-reference
interchangeable
700058Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SSM-50A?
SSM-50A is a PLUNGER,QUICK RELEASE.
What parts can replace SSM-50A?
There are 2 known substitutes for SSM-50A: 700450, 700058. Substitute compatibility should be verified for your specific system.
What is the NSN for SSM-50A?
SSM-50A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-294-1491. This indicates validated use in U.S. government and defense supply chains.
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