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Technical Data Sheet
7C1-20 ✓ 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 material: STEEL BAND, lug_width: 1.000 INCHES NOMINAL IN, overall_width: 1.290 INCHES NOMINAL IN, overall_length: 2.440 INCHES NOMINAL IN, lug_hole_diameter: 0.197 INCHES NOMINAL IN, surface_treatment: PASSIVATE BAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-817-0807, 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
7C1-20
NSN: 5340-00-817-0807
FSC: 5340
CAGE: D0680 — FAIRCHILD FASTENERS EUROPE - CAMLOC GMBH (DEU)
SPECIFICATIONS
materialSTEEL BAND
lug_width1.000 INCHES NOMINAL IN
overall_width1.290 INCHES NOMINAL IN
overall_length2.440 INCHES NOMINAL IN
lug_hole_diameter0.197 INCHES NOMINAL IN
surface_treatmentPASSIVATE BAND
loop_inside_diameter1.250 INCHES NOMINAL IN
center_to_center_distance_between_loop_and_mounting_hole0.950 INCHES NOMINAL IN
NSN5340-00-817-0807
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7C1-20 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
LUG HOLE DIAMETER: 0.197 INCHES NOMINAL IN
LUG WIDTH: 1.000 INCHES NOMINAL IN
MATERIAL: STEEL BAND
SURFACE TREATMENT: PASSIVATE BAND
LOOP INSIDE DIAMETER: 1.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
LUG HOLE DIAMETER0.197 INCHES NOMINAL IN
LUG WIDTH1.000 INCHES NOMINAL IN
MATERIALSTEEL BAND
SURFACE TREATMENTPASSIVATE BAND
OVERALL WIDTH1.290 INCHES NOMINAL IN
LOOP INSIDE DIAMETER1.250 INCHES NOMINAL IN
OVERALL LENGTH2.440 INCHES NOMINAL IN
SPECIAL FEATURESLEGEND LETTER E DIM 0.480 IN. FROM LOOP CENTER TO BASE; LEGEND LETTER X DIM. 0.191 IN. FROM CENTER OF LOCK TAB TO END OF LUG; LEGEND LETTER Y DIM. 0.690 IN. FROM CENTER OF LOCK TAB TO CENTER OF LUG HOLE; LEGEND LETTER Z DIM. 0.698 IN. W OF LOOP STRAP IN
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE0.950 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
MP1683Interchangeable
interchangeable cross-reference
interchangeable
NASM3926Interchangeable
interchangeable cross-reference
interchangeable
70-1-2GInterchangeable
interchangeable cross-reference
interchangeable
201002-1Interchangeable
interchangeable cross-reference
interchangeable
70-120Interchangeable
interchangeable cross-reference
interchangeable
SM-A-945330-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7C1-20?
7C1-20 is a CLAMP,LOOP.
What parts can replace 7C1-20?
There are 14 known substitutes for 7C1-20: MP1683, NASM3926, 70-1-2G and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7C1-20?
7C1-20 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-817-0807. This indicates validated use in U.S. government and defense supply chains.
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