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Technical Data Sheet
PartsTable / COMPONENT / C2037-11
C2037-11 ✓ 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 POLYTETRAFLUOROETHYLENE CUSHION, overall_width: 0.500 INCHES NOMINAL IN, style_designator: SINGLE LOOP, tongue_hole_type: ROUND, UNTHREADED, material_thickness: 0.040 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 5340-01-066-3982, 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
C2037-11
NSN: 5340-01-066-3982
FSC: 5340
CAGE: 81755 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY (USA)
SPECIFICATIONS
diameter0.204 INCHES NOMINAL IN
materialPLASTIC POLYTETRAFLUOROETHYLENE CUSHION
overall_width0.500 INCHES NOMINAL IN
style_designatorSINGLE LOOP
tongue_hole_typeROUND, UNTHREADED
material_thickness0.040 INCHES NOMINAL IN
loop_inside_diameter0.673 INCHES MINIMUM AND 0.703 INCHES MAXIMUM IN
material_document_and_classificationQQ-A-250/5,ALCLAD T4 FED SPEC SINGLE MATERIAL RESPONSE BAND
distance_from_loop_center_to_tongue_end0.966 INCHES NOMINAL IN
center_to_center_distance_between_loop_and_mounting_hole0.733 INCHES MINIMUM AND 0.763 INCHES MAXIMUM IN
NSN5340-01-066-3982
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: C2037-11 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: ALUMINUM ALLOY 2024 BAND
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/5,ALCLAD T4 FED SPEC SINGLE MATERIAL RESPONSE BAND
•
STYLE DESIGNATOR: SINGLE LOOP
•
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE: 0.733 INCHES MINIMUM AND 0.763 INCHES MAXIMUM IN
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 0.966 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.040 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALALUMINUM ALLOY 2024 BAND
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/5,ALCLAD T4 FED SPEC SINGLE MATERIAL RESPONSE BAND
STYLE DESIGNATORSINGLE LOOP
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE CUSHION
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE0.733 INCHES MINIMUM AND 0.763 INCHES MAXIMUM IN
DISTANCE FROM LOOP CENTER TO TONGUE END0.966 INCHES NOMINAL IN
MATERIAL THICKNESS0.040 INCHES NOMINAL IN
OVERALL WIDTH0.500 INCHES NOMINAL IN
TONGUE HOLE TYPEROUND, UNTHREADED
DIAMETER0.204 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
S2811-1Upgraded Successor
successor cross-reference
successor
6002-132Interchangeable
interchangeable cross-reference
interchangeable
38511Interchangeable
interchangeable cross-reference
interchangeable
3851Interchangeable
interchangeable cross-reference
interchangeable
TA04C76WD11XInterchangeable
Same NIIN cross-reference
interchangeable
JM43LC14WD11XInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C2037-11?
C2037-11 is a CLAMP,LOOP.
What parts can replace C2037-11?
There are 6 known substitutes for C2037-11: S2811-1, 6002-132, 38511 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C2037-11?
C2037-11 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-066-3982. 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