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Technical Data Sheet
659A ✓ 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 BASE,MAGNETIC is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: HEAVY DUTY MAGNETIC BASE INDICATOR HOLDERS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-019-2938, 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
659A
NSN: 5340-00-019-2938
FSC: 5340
CAGE: 98944 — PORTEC INC RMC DIV (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyHEAVY DUTY MAGNETIC BASE INDICATOR HOLDERS
NSN5340-00-019-2938
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 659A 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
NONDEFINITIVE SPEC/STD DATA: EPB TYPE
CONSTRUCTION: SOLID
KEY CHANGE QUANTITY: 750
OPERATING MECHANISM TYPE: PIN TUMBLER
DEPARTURE FROM CITED DESIGNATOR: 1-1/8 IN. IN
TECHNICAL CHARACTERISTICS (FLIS)
NONDEFINITIVE SPEC/STD DATAEPB TYPE
CONSTRUCTIONSOLID
OVERALL WIDTH1.125 INCHES NOMINAL IN
KEY CHANGE QUANTITY750
OVERALL HEIGHT1.047 INCHES NOMINAL IN
OPERATING MECHANISM TYPEPIN TUMBLER
DEPARTURE FROM CITED DESIGNATOR1-1/8 IN. IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
ASTM F883Upgraded Successor
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successor
A-A-1928Upgraded Successor
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FF-P-101Upgraded Successor
successor cross-reference
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MDL300Upgraded Successor
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1500Upgraded Successor
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21B772Upgraded Successor
successor cross-reference
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LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 659A?
659A is a BASE,MAGNETIC.
What parts can replace 659A?
There are 19 known substitutes for 659A: ASTM F883, A-A-1928, FF-P-101 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 659A?
659A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-019-2938. This indicates validated use in U.S. government and defense supply chains.
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