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PartsTable / COMPONENT / C8634
C8634 ✓ 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 CLAMP,LOOP is a the manufacturer industrial component. Key specifications include diameter: 0.390 INCHES NOMINAL IN, overall_width: 1.000 INCHES NOMINAL IN, style_designator: CENTER MOUNT, tongue_hole_type: ROUND, UNTHREADED, material_thickness: 0.190 INCHES NOMINAL IN, loop_inside_diameter: 0.390 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 5340-00-774-1403, 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
C8634
NSN: 5340-00-774-1403
FSC: 5340
CAGE: 16783 — DELTA ELECTRIC DIV HALLE INDUSTRIES INC (USA)
SPECIFICATIONS
diameter0.390 INCHES NOMINAL IN
materialSTEEL COMP 1009 OR STEEL COMP 1010 OR STEEL COMP 1012 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 BAND
overall_width1.000 INCHES NOMINAL IN
style_designatorCENTER MOUNT
tongue_hole_typeROUND, UNTHREADED
material_thickness0.190 INCHES NOMINAL IN
loop_inside_diameter0.390 INCHES NOMINAL IN
distance_from_loop_center_to_tongue_end2.062 INCHES NOMINAL IN
center_to_center_distance_between_loop_and_mounting_hole1.500 INCHES NOMINAL IN
NSN5340-00-774-1403
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: C8634 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
•
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE: 1.500 INCHES NOMINAL IN
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 2.062 INCHES NOMINAL IN
•
LOOP INSIDE DIAMETER: 0.390 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CENTER MOUNT
•
MATERIAL: STEEL COMP 1009 OR STEEL COMP 1010 OR STEEL COMP 1012 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 BAND
•
DIAMETER: 0.390 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.190 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE1.500 INCHES NOMINAL IN
DISTANCE FROM LOOP CENTER TO TONGUE END2.062 INCHES NOMINAL IN
LOOP INSIDE DIAMETER0.390 INCHES NOMINAL IN
STYLE DESIGNATORCENTER MOUNT
MATERIALSTEEL COMP 1009 OR STEEL COMP 1010 OR STEEL COMP 1012 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 BAND
DIAMETER0.390 INCHES NOMINAL IN
MATERIAL THICKNESS0.190 INCHES NOMINAL IN
OVERALL WIDTH1.000 INCHES NOMINAL IN
TONGUE HOLE TYPEROUND, UNTHREADED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
65A81-C385Interchangeable
interchangeable cross-reference
interchangeable
02261-0385Interchangeable
interchangeable cross-reference
interchangeable
14035Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-7965Interchangeable
interchangeable cross-reference
interchangeable
MS25063-1Interchangeable
interchangeable cross-reference
interchangeable
MIL-A-7965Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C8634?
C8634 is a CLAMP,LOOP.
What parts can replace C8634?
There are 13 known substitutes for C8634: 65A81-C385, 02261-0385, 14035 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C8634?
C8634 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-774-1403. 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