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Technical Data Sheet
PartsTable / COMPONENT / 164500A
164500A ✓ 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

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: STEEL, design_type: SOLID, end_diameter: 0.6500 INCHES NOMINAL IN, bore_diameter: 0.5312 INCHES NOMINAL IN, overall_height: 0.3820 INCHES NOMINAL IN, style_designator: SEAT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-106-2491, 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
164500A
NSN: 5340-00-106-2491
FSC: 5340
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialSTEEL
design_typeSOLID
end_diameter0.6500 INCHES NOMINAL IN
bore_diameter0.5312 INCHES NOMINAL IN
overall_height0.3820 INCHES NOMINAL IN
style_designatorSEAT
bore_taper_in_deg6.0
first_step_length0.1875 INCHES NOMINAL IN
first_step_diameter0.8000 INCHES NOMINAL IN
chamfer_angle_in_deg45.0
second_step_diameter1.1950 INCHES NOMINAL IN
distance_from_end_to_first_step0.0940 INCHES NOMINAL IN
NSN5340-00-106-2491
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 164500A 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
•
FIRST STEP DIAMETER: 0.8000 INCHES NOMINAL IN
•
BORE TAPER IN DEG: 6.0
•
DESIGN TYPE: SOLID
•
END DIAMETER: 0.6500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SEAT
•
DISTANCE FROM END TO FIRST STEP: 0.0940 INCHES NOMINAL IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS (FLIS)
FIRST STEP DIAMETER0.8000 INCHES NOMINAL IN
BORE TAPER IN DEG6.0
DESIGN TYPESOLID
END DIAMETER0.6500 INCHES NOMINAL IN
STYLE DESIGNATORSEAT
DISTANCE FROM END TO FIRST STEP0.0940 INCHES NOMINAL IN
MATERIALSTEEL
OVERALL HEIGHT0.3820 INCHES NOMINAL IN
CHAMFER ANGLE IN DEG45.0
FIRST STEP LENGTH0.1875 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
809000-203Interchangeable
interchangeable cross-reference
interchangeable
666230-400Interchangeable
interchangeable cross-reference
interchangeable
1645-00Interchangeable
interchangeable cross-reference
interchangeable
40695-5 PC 20Interchangeable
interchangeable cross-reference
interchangeable
40695-5Interchangeable
interchangeable cross-reference
interchangeable
840-164500AInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 164500A?
164500A is a SEAT,HELICAL COMPRESSION SPRING.
What parts can replace 164500A?
There are 6 known substitutes for 164500A: 809000-203, 666230-400, 1645-00 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 164500A?
164500A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-106-2491. 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