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Technical Data Sheet
PartsTable / COMPONENT / 514-0641
514-0641 ✓ 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

CYLINDER ASSEMBLY,ACTUATING,LINE. Key specifications include cushion: NOT INCLUDED, material: STEEL LOCATION NOT OTHERWISE SPECIFIED, mounting_pad: NOT INCLUDED, overall_width: 1.250 INCHES NOMINAL IN, overall_length: 2.250 INCHES NOMINAL IN, style_designator: CURVED ARCH. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-514-0641, 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
514-0641
NSN: 5340-00-514-0641
FSC: 5340
CAGE: 19204 — ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC (USA)
SPECIFICATIONS
cushionNOT INCLUDED
materialSTEEL LOCATION NOT OTHERWISE SPECIFIED
mounting_padNOT INCLUDED
overall_width1.250 INCHES NOMINAL IN
overall_length2.250 INCHES NOMINAL IN
style_designatorCURVED ARCH
surface_treatmentPHOSPHATE
material_thickness0.125 INCHES NOMINAL IN
mounting_hole_size0.390 INCHES NOMINAL IN
inside_diameter/arch_length0.750 INCHES NOMINAL IN
distance_between_base_and_inside_of_arch0.750 INCHES NOMINAL IN
center_to_center_distance_between_arch_and_mounting_hole1.250 INCHES NOMINAL IN
NSN5340-00-514-0641
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 514-0641 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
•
INSIDE DIAMETER/ARCH LENGTH: 0.750 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.125 INCHES NOMINAL IN
•
SURFACE TREATMENT: PHOSPHATE
•
MATERIAL: STEEL LOCATION NOT OTHERWISE SPECIFIED
•
STYLE DESIGNATOR: CURVED ARCH
•
CUSHION: NOT INCLUDED
•
MOUNTING PAD: NOT INCLUDED
TECHNICAL CHARACTERISTICS (FLIS)
INSIDE DIAMETER/ARCH LENGTH0.750 INCHES NOMINAL IN
MATERIAL THICKNESS0.125 INCHES NOMINAL IN
SURFACE TREATMENTPHOSPHATE
MATERIALSTEEL LOCATION NOT OTHERWISE SPECIFIED
STYLE DESIGNATORCURVED ARCH
OVERALL LENGTH2.250 INCHES NOMINAL IN
CUSHIONNOT INCLUDED
MOUNTING PADNOT INCLUDED
DISTANCE BETWEEN BASE AND INSIDE OF ARCH0.750 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN ARCH AND MOUNTING HOLE1.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
11754Interchangeable
interchangeable cross-reference
interchangeable
514-0641Interchangeable
interchangeable cross-reference
interchangeable
XX002-1610Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 514-0641?
514-0641 is a CYLINDER ASSEMBLY,ACTUATING,LINE.
What parts can replace 514-0641?
There are 3 known substitutes for 514-0641: 11754, 514-0641, XX002-1610. Substitute compatibility should be verified for your specific system.
What is the NSN for 514-0641?
514-0641 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-514-0641. 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