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S663WDG40 — CLAMP,LOOP

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

S663WDG40: CLAMP,LOOP.

The CLAMP,LOOP is a the manufacturer industrial component. Key specifications include diameter: 0.204 INCHES NOMINAL IN, material: ALUMINUM ALLOY 2024 BAND, overall_width: 0.500 INCHES NOMINAL IN, style_designator: OFFSET MOUNT, tongue_hole_type: ROUND, UNTHREADED, material_thickness: 0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-228-0724, 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
S663WDG40
NSN: 5340-01-228-0724
FSC: 5340 — Hardware, Commercial
CAGE: 18076 — UMPCO, INC. DBA UMPCO INC (USA)
SPECIFICATIONS
diameter0.204 INCHES NOMINAL IN
materialALUMINUM ALLOY 2024 BAND
overall_width0.500 INCHES NOMINAL IN
style_designatorOFFSET MOUNT
tongue_hole_typeROUND, UNTHREADED
material_thickness0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
loop_inside_diameter1.485 INCHES MINIMUM AND 2.515 INCHES MAXIMUM IN
cushioning_environmental_protectionFUEL RESISTANT AND WEATHER RESISTANT
material_document_and_classificationAMS 3209 ASSN STD SINGLE MATERIAL RESPONSE CUSHION
distance_from_loop_center_to_tongue_end2.047 INCHES MINIMUM AND 2.485 INCHES MAXIMUM IN
center_to_center_distance_between_loop_and_mounting_hole1.752 INCHES NOMINAL IN
NSN5340-01-228-0724
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S663WDG40 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
•
CUSHIONING ENVIRONMENTAL PROTECTION: FUEL RESISTANT AND WEATHER RESISTANT
•
STYLE DESIGNATOR: OFFSET MOUNT
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 3209 ASSN STD SINGLE MATERIAL RESPONSE CUSHION
•
DIAMETER: 0.204 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 2.047 INCHES MINIMUM AND 2.485 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CUSHIONING ENVIRONMENTAL PROTECTIONFUEL RESISTANT AND WEATHER RESISTANT
STYLE DESIGNATOROFFSET MOUNT
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 3209 ASSN STD SINGLE MATERIAL RESPONSE CUSHION
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/5,T4 FED SPEC SINGLE MATERIAL RESPONSE BAND
DIAMETER0.204 INCHES NOMINAL IN
OVERALL WIDTH0.500 INCHES NOMINAL IN
MATERIAL THICKNESS0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
DISTANCE FROM LOOP CENTER TO TONGUE END2.047 INCHES MINIMUM AND 2.485 INCHES MAXIMUM IN
TONGUE HOLE TYPEROUND, UNTHREADED
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE1.752 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 2
815WD40Reference document
Same NSN cross-reference
Reference document — Secondary reference
ST9M588WDG40Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S663WDG40?
S663WDG40 is a CLAMP,LOOP.
What parts can replace S663WDG40?
There are 2 known substitutes for S663WDG40: 815WD40, ST9M588WDG40. Substitute compatibility should be verified for your specific system.
What is the NSN for S663WDG40?
S663WDG40 is cataloged in the U.S. Government catalog under NSN 5340-01-228-0724. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.