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Technical Data Sheet
PartsTable / COMPONENT / C2037-5
C2037-5 ✓ 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: 0.204 INCHES NOMINAL IN, material: PLASTIC TETRAFLUOROETHYLENE CUSHION, overall_width: 0.375 INCHES NOMINAL IN, style_designator: OFFSET MOUNT, tongue_hole_type: ROUND, UNTHREADED, material_thickness: 0.032 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-536-6671, 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
C2037-5
NSN: 5340-00-536-6671
FSC: 5340
CAGE: 81755 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY (USA)
SPECIFICATIONS
diameter0.204 INCHES NOMINAL IN
materialPLASTIC TETRAFLUOROETHYLENE CUSHION
overall_width0.375 INCHES NOMINAL IN
style_designatorOFFSET MOUNT
tongue_hole_typeROUND, UNTHREADED
material_thickness0.032 INCHES NOMINAL IN
loop_inside_diameter0.313 INCHES NOMINAL IN
material_document_and_classificationQA-A-250/5TEMPER0ORT3ORT4 FED SPEC SINGLE MATERIAL RESPONSE BAND
distance_from_loop_center_to_tongue_end0.737 INCHES NOMINAL IN
center_to_center_distance_between_loop_and_mounting_hole0.549 INCHES NOMINAL IN
NSN5340-00-536-6671
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: C2037-5 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
•
MATERIAL: PLASTIC TETRAFLUOROETHYLENE CUSHION
•
MATERIAL DOCUMENT AND CLASSIFICATION: QA-A-250/5TEMPER0ORT3ORT4 FED SPEC SINGLE MATERIAL RESPONSE BAND
•
TONGUE HOLE TYPE: ROUND, UNTHREADED
•
MATERIAL THICKNESS: 0.032 INCHES NOMINAL IN
•
DIAMETER: 0.204 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE: 0.549 INCHES NOMINAL IN
•
LOOP INSIDE DIAMETER: 0.313 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALPLASTIC TETRAFLUOROETHYLENE CUSHION
MATERIAL DOCUMENT AND CLASSIFICATIONQA-A-250/5TEMPER0ORT3ORT4 FED SPEC SINGLE MATERIAL RESPONSE BAND
TONGUE HOLE TYPEROUND, UNTHREADED
MATERIAL THICKNESS0.032 INCHES NOMINAL IN
DIAMETER0.204 INCHES NOMINAL IN
OVERALL WIDTH0.375 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE0.549 INCHES NOMINAL IN
LOOP INSIDE DIAMETER0.313 INCHES NOMINAL IN
DISTANCE FROM LOOP CENTER TO TONGUE END0.737 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY 2024 BAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
S2815Interchangeable
interchangeable cross-reference
interchangeable
D1AZ-6505-AInterchangeable
interchangeable cross-reference
interchangeable
3855Interchangeable
interchangeable cross-reference
interchangeable
8681887Interchangeable
interchangeable cross-reference
interchangeable
385Interchangeable
interchangeable cross-reference
interchangeable
F600E00245Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C2037-5?
C2037-5 is a CLAMP,LOOP.
What parts can replace C2037-5?
There are 15 known substitutes for C2037-5: S2815, D1AZ-6505-A, 3855 and 12 more. Substitute compatibility should be verified for your specific system.
Is C2037-5 still available?
C2037-5 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