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660-3A — CLAMP,LOOP

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

660-3A: CLAMP,LOOP.

The CLAMP,LOOP is a the manufacturer industrial component. Key specifications include diameter: 0.157 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN, material: PLASTIC POLYAMIDE NYLON BAND, overall_width: 0.500 INCHES NOMINAL IN, special_features: COLOR BLACK, style_designator: SINGLE LOOP, material_thickness: 0.046 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-134-3255, 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
660-3A
NSN: 5340-00-134-3255
FSC: 5340 — Hardware, Commercial
CAGE: 71616 — COMMERCIAL PLASTICS CO INC (USA)
SPECIFICATIONS
diameter0.157 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
materialPLASTIC POLYAMIDE NYLON BAND
overall_width0.500 INCHES NOMINAL IN
special_featuresCOLOR BLACK
style_designatorSINGLE LOOP
material_thickness0.046 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
loop_inside_diameter0.178 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
distance_from_loop_center_to_tongue_end0.579 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
center_to_center_distance_between_loop_and_mounting_hole0.391 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
NSN5340-00-134-3255
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 660-3A 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
•
STYLE DESIGNATOR: SINGLE LOOP
•
DIAMETER: 0.157 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.046 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 0.579 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
•
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE: 0.391 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
•
MATERIAL: PLASTIC POLYAMIDE NYLON BAND
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSINGLE LOOP
DIAMETER0.157 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
OVERALL WIDTH0.500 INCHES NOMINAL IN
MATERIAL THICKNESS0.046 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
DISTANCE FROM LOOP CENTER TO TONGUE END0.579 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
SPECIAL FEATURESCOLOR BLACK
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE0.391 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
MATERIALPLASTIC POLYAMIDE NYLON BAND
LOOP INSIDE DIAMETER0.178 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 3
2652762-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
3-16HReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
3-16HNReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 660-3A?
660-3A is a CLAMP,LOOP.
What parts can replace 660-3A?
There are 3 known substitutes for 660-3A: 2652762-1, 3-16H, 3-16HN. Substitute compatibility should be verified for your specific system.
What is the NSN for 660-3A?
660-3A is cataloged in the U.S. Government catalog under NSN 5340-00-134-3255. This indicates validated use in U.S. government and defense supply chains.
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