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Technical Data Sheet
S428S409 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
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Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The RING,EXTERNALLY THREADED is a the manufacturer industrial component. Key specifications include depth: 0.125 INCHES NOMINAL IN, width: 0.250 INCHES NOMINAL IN, material: COPPER ALLOY, bore_shape: STRAIGHT, drive_type: EXTERNALLY SLOTTED, bore_diameter: 5.250 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-00-216-9147, 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
S428S409
NSN: 5365-00-216-9147
FSC: 5365
CAGE: 03670 — TYCO FIRE PRODUCTS LP (USA)
SPECIFICATIONS
depth0.125 INCHES NOMINAL IN
width0.250 INCHES NOMINAL IN
materialCOPPER ALLOY
bore_shapeSTRAIGHT
drive_typeEXTERNALLY SLOTTED
bore_diameter5.250 INCHES NOMINAL IN
beveled_threadNOT INCLUDED
overall_length0.375 INCHES NOMINAL IN
setscrew_locking_notchNOT INCLUDED
casehardening_indicatorNOT CASEHARDENED
accommodation_type_and_quantity2 SLOTS
bore_annular_internal_serrationNOT INCLUDED
NSN5365-00-216-9147
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,EXTERNALLY THREADED TITLE COMPONENT PN S428S409 MFR RING,EXTERNALLY THREAD
KEY FEATURES
MATERIAL: COPPER ALLOY
CASEHARDENING INDICATOR: NOT CASEHARDENED
BORE SHAPE: STRAIGHT
BORE DIAMETER: 5.250 INCHES NOMINAL IN
BEVELED THREAD: NOT INCLUDED
ANGLE BETWEEN ACCOMMODATIONS IN DEG: 180.0
BORE ANNULAR INTERNAL SERRATION: NOT INCLUDED
SETSCREW LOCKING NOTCH: NOT INCLUDED
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY
CASEHARDENING INDICATORNOT CASEHARDENED
BORE SHAPESTRAIGHT
BORE DIAMETER5.250 INCHES NOMINAL IN
BEVELED THREADNOT INCLUDED
ANGLE BETWEEN ACCOMMODATIONS IN DEG180.0
BORE ANNULAR INTERNAL SERRATIONNOT INCLUDED
SETSCREW LOCKING NOTCHNOT INCLUDED
ACCOMMODATION TYPE AND QUANTITY2 SLOTS
OVERALL LENGTH0.375 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
S409Interchangeable
interchangeable cross-reference
interchangeable
8011458Interchangeable
interchangeable cross-reference
interchangeable
5420RPC6Interchangeable
interchangeable cross-reference
interchangeable
MILB5687TYPE2C0MP0SITI0NBInterchangeable
interchangeable cross-reference
interchangeable
10629626-1Interchangeable
interchangeable cross-reference
interchangeable
1000409Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S428S409?
S428S409 is a RING,EXTERNALLY THREADED.
What parts can replace S428S409?
There are 10 known substitutes for S428S409: S409, 8011458, 5420RPC6 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S428S409?
S428S409 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-00-216-9147. This indicates validated use in U.S. government and defense supply chains.
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