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Technical Data Sheet
PartsTable / COMPONENT / 641-US2G
641-US2G ✓ 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 CATCH,CLAMPING is a the manufacturer industrial component. Key specifications include width: 1.031 INCHES NOMINAL IN, height: 0.422 INCHES NOMINAL IN, material: COPPER ALLOY OVERALL, design_type: LOOP ENGAGING, tongue_width: 0.938 INCHES NOMINAL IN, hole_diameter: 0.219 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-205-5152, 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
641-US2G
NSN: 5340-00-205-5152
FSC: 5340
CAGE: 0BTF0 — EASTERN CO THE CCL SECURITY PRODUCTS (USA)
SPECIFICATIONS
width1.031 INCHES NOMINAL IN
height0.422 INCHES NOMINAL IN
materialCOPPER ALLOY OVERALL
design_typeLOOP ENGAGING
tongue_width0.938 INCHES NOMINAL IN
hole_diameter0.219 INCHES NOMINAL IN
hole_quantity3
overall_width1.250 INCHES NOMINAL IN
tongue_length0.328 INCHES NOMINAL IN
overall_height0.562 INCHES NOMINAL IN
overall_length1.000 INCHES NOMINAL IN
operation_methodLEVER
NSN5340-00-205-5152
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 641-US2G 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
•
HEIGHT: 0.421 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
STYLE DESIGNATOR: LEVER
•
CATCH STRIKE STYLE: MORTISE
•
SURFACE HOLE QUANTITY: 2
•
DESIGN TYPE: LOOP ENGAGING
•
WIDTH: 1.031 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HEIGHT0.421 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
STYLE DESIGNATORLEVER
CATCH STRIKE STYLEMORTISE
SURFACE HOLE QUANTITY2
DESIGN TYPELOOP ENGAGING
OVERALL LENGTH1.000 INCHES NOMINAL IN
WIDTH1.031 INCHES NOMINAL IN
TONGUE WIDTH0.812 INCHES NOMINAL IN
HOLE QUANTITY2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
373M0063P002Upgraded Successor
successor cross-reference
successor
15641Upgraded Successor
successor cross-reference
successor
S641US2GUpgraded Successor
successor cross-reference
successor
ASC1529651Interchangeable
interchangeable cross-reference
interchangeable
156/41Interchangeable
interchangeable cross-reference
interchangeable
2-AP-8-BS PC41Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 641-US2G?
641-US2G is a CATCH,CLAMPING.
What parts can replace 641-US2G?
There are 19 known substitutes for 641-US2G: 373M0063P002, 15641, S641US2G and 16 more. Substitute compatibility should be verified for your specific system.
Is 641-US2G still available?
641-US2G is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026