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669839 — CLAMP,LOOP

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

669839: CLAMP,LOOP.

The CLAMP,LOOP is a the manufacturer industrial component. Key specifications include diameter: 0.250 INCHES NOMINAL IN, loop_length: 0.751 INCHES NOMINAL IN, overall_width: 0.625 INCHES NOMINAL IN, special_features: INCLUDES;BUNA INSERT,BOLT VENDORS, style_designator: RECTANGULAR, tongue_hole_type: ROUND, UNTHREADED. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-414-7507, 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
669839
NSN: 5340-01-414-7507
FSC: 5340 — Hardware, Commercial
CAGE: 60764 — WIGGINS LIFT CO INC (USA)
SPECIFICATIONS
diameter0.250 INCHES NOMINAL IN
loop_length0.751 INCHES NOMINAL IN
overall_width0.625 INCHES NOMINAL IN
special_featuresINCLUDES;BUNA INSERT,BOLT VENDORS
style_designatorRECTANGULAR
tongue_hole_typeROUND, UNTHREADED
material_thickness0.062 INCHES NOMINAL IN
smallest_loop_width0.437 INCHES NOMINAL IN
fastening_device_typeSLOTTED HEXAGON HEAD SCREW
distance_from_loop_center_to_tongue_end0.812 INCHES NOMINAL IN
NSN5340-01-414-7507
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 669839 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
•
FASTENING DEVICE TYPE: SLOTTED HEXAGON HEAD SCREW
•
SMALLEST LOOP WIDTH: 0.437 INCHES NOMINAL IN
•
STYLE DESIGNATOR: RECTANGULAR
•
DIAMETER: 0.250 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.062 INCHES NOMINAL IN
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 0.812 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FASTENING DEVICE TYPESLOTTED HEXAGON HEAD SCREW
SMALLEST LOOP WIDTH0.437 INCHES NOMINAL IN
STYLE DESIGNATORRECTANGULAR
DIAMETER0.250 INCHES NOMINAL IN
OVERALL WIDTH0.625 INCHES NOMINAL IN
MATERIAL THICKNESS0.062 INCHES NOMINAL IN
DISTANCE FROM LOOP CENTER TO TONGUE END0.812 INCHES NOMINAL IN
SPECIAL FEATURESINCLUDES;BUNA INSERT,BOLT VENDORS
TONGUE HOLE TYPEROUND, UNTHREADED
LOOP LENGTH0.751 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 1
40-0002789Reference 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 669839?
669839 is a CLAMP,LOOP.
What parts can replace 669839?
There is 1 known substitute for 669839: 40-0002789. Substitute compatibility should be verified for your specific system.
What is the NSN for 669839?
669839 is cataloged in the U.S. Government catalog under NSN 5340-01-414-7507. This indicates validated use in U.S. government and defense supply chains.
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