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1597373 ✓ 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: 0.197 INCHES NOMINAL IN, material: RUBBER CHLOROPRENE CLASS CR CUSHION, overall_width: 0.625 INCHES NOMINAL IN, style_designator: SINGLE LOOP, tongue_hole_type: ROUND, UNTHREADED, surface_treatment: ZINC 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 5340-00-559-3919, 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
1597373
NSN: 5340-00-559-3919
FSC: 5340
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
diameter0.197 INCHES NOMINAL IN
materialRUBBER CHLOROPRENE CLASS CR CUSHION
overall_width0.625 INCHES NOMINAL IN
style_designatorSINGLE LOOP
tongue_hole_typeROUND, UNTHREADED
surface_treatmentZINC BAND
material_thickness0.025 INCHES NOMINAL IN
loop_inside_diameter1.125 INCHES NOMINAL IN
cushioning_environmental_protectionHEAT
distance_from_loop_center_to_tongue_end1.325 INCHES NOMINAL IN
distance_from_outer_edge_of_lug_to_hole_center0.188 INCHES NOMINAL IN
center_to_center_distance_between_loop_and_mounting_hole1.250 INCHES NOMINAL IN
NSN5340-00-559-3919
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1597373 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
•
LOOP INSIDE DIAMETER: 1.125 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE: 1.250 INCHES NOMINAL IN
•
SURFACE TREATMENT: ZINC BAND
•
DIAMETER: 0.197 INCHES NOMINAL IN
•
DISTANCE FROM OUTER EDGE OF LUG TO HOLE CENTER: 0.188 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SINGLE LOOP
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 1.325 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
LOOP INSIDE DIAMETER1.125 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE1.250 INCHES NOMINAL IN
SURFACE TREATMENTZINC BAND
DIAMETER0.197 INCHES NOMINAL IN
DISTANCE FROM OUTER EDGE OF LUG TO HOLE CENTER0.188 INCHES NOMINAL IN
OVERALL WIDTH0.625 INCHES NOMINAL IN
STYLE DESIGNATORSINGLE LOOP
DISTANCE FROM LOOP CENTER TO TONGUE END1.325 INCHES NOMINAL IN
MATERIALSTEEL BAND
TONGUE HOLE TYPEROUND, UNTHREADED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
1473758-03Interchangeable
interchangeable cross-reference
interchangeable
RCS200Interchangeable
interchangeable cross-reference
interchangeable
C4916Interchangeable
interchangeable cross-reference
interchangeable
A3125-5-179Interchangeable
Same NIIN cross-reference
interchangeable
G470016-9Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1597373?
1597373 is a CLAMP,LOOP.
What parts can replace 1597373?
There are 5 known substitutes for 1597373: 1473758-03, RCS200, C4916 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1597373?
1597373 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-559-3919. 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