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C2874D5 — Technical Data Sheet

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— · 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, surface_treatment: ANODIZE BAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5340-00-891-1693, 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
C2874D5
NSN: 5340-00-891-1693
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
surface_treatmentANODIZE BAND
material_thickness0.022 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN
loop_inside_diameter0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
material_document_and_classificationQQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE BAND
distance_from_loop_center_to_tongue_end0.686 INCHES NOMINAL IN
center_to_center_distance_between_loop_and_mounting_hole0.483 INCHES MINIMUM AND 0.513 INCHES MAXIMUM IN
NSN5340-00-891-1693
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: C2874D5 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
•
SURFACE TREATMENT: ANODIZE BAND
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE BAND
•
STYLE DESIGNATOR: OFFSET MOUNT
•
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE: 0.483 INCHES MINIMUM AND 0.513 INCHES MAXIMUM IN
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 0.686 INCHES NOMINAL IN
•
TONGUE HOLE TYPE: ROUND, UNTHREADED
•
MATERIAL: ALUMINUM ALLOY 2024 BAND
TECHNICAL CHARACTERISTICS
SURFACE TREATMENTANODIZE BAND
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE BAND
STYLE DESIGNATOROFFSET MOUNT
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE0.483 INCHES MINIMUM AND 0.513 INCHES MAXIMUM IN
DISTANCE FROM LOOP CENTER TO TONGUE END0.686 INCHES NOMINAL IN
TONGUE HOLE TYPEROUND, UNTHREADED
MATERIALALUMINUM ALLOY 2024 BAND
OVERALL WIDTH0.375 INCHES NOMINAL IN
LOOP INSIDE DIAMETER0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
DIAMETER0.204 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
4775Upgraded SuccessorGOVERNMENT REGISTRY
successor cross-reference
successor
4775VInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
11657015InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
5310001596267InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1003InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
87-0298InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C2874D5?
C2874D5 is a CLAMP,LOOP.
What parts can replace C2874D5?
There are 14 known substitutes for C2874D5: 4775, 4775V, 11657015 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C2874D5?
C2874D5 is cataloged in the Federal Logistics Information System under NSN 5340-00-891-1693. This indicates validated use in U.S. government and defense supply chains.
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Last verified: October 2026