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S219640 — CLAMP,LOOP

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

S219640: CLAMP,LOOP.

The CLAMP,LOOP is a the manufacturer industrial component. Key specifications include diameter: 0.204 INCHES NOMINAL IN, material: STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1012 OR STEEL COMP 1013 OR STEEL COMP 1014 BAND, overall_width: 0.500 INCHES NOMINAL IN, style_designator: SINGLE LOOP, tongue_hole_type: ROUND, UNTHREADED, surface_treatment: CADMIUM BAND. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-133-3738, 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
S219640
NSN: 5340-01-133-3738
FSC: 5340 — Hardware, Commercial
CAGE: 18076 — UMPCO, INC. DBA UMPCO INC (USA)
SPECIFICATIONS
diameter0.204 INCHES NOMINAL IN
materialSTEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1012 OR STEEL COMP 1013 OR STEEL COMP 1014 BAND
overall_width0.500 INCHES NOMINAL IN
style_designatorSINGLE LOOP
tongue_hole_typeROUND, UNTHREADED
surface_treatmentCADMIUM BAND
material_thickness0.064 INCHES NOMINAL IN
loop_inside_diameter2.500 INCHES NOMINAL IN
end_item_identificationHEMTT FAMILY (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS); 2320-01-442-1940,TRUCK,CBT,(COMMAND BRIDGE TRANSPORTER);2320-01-304-2277 AND 2320-01-304-2278 PLS (PALLETIZED LOADING SYSTEM)
cushioning_environmental_protectionHEAT AND OIL RESISTANT AND WEATHER RESISTANT AND OZONE RESISTANT
material_document_and_classificationAMS 3209 ASSN STD SINGLE MATERIAL RESPONSE CUSHION
distance_from_loop_center_to_tongue_end2.002 INCHES NOMINAL IN
NSN5340-01-133-3738
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S219640 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 DOCUMENT AND CLASSIFICATION: QQ-P-416 TY 1 CL B FED SPEC SINGLE TREATMENT RESPONSE BAND
•
CUSHIONING ENVIRONMENTAL PROTECTION: HEAT AND OIL RESISTANT AND WEATHER RESISTANT AND OZONE RESISTANT
•
STYLE DESIGNATOR: SINGLE LOOP
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 3209 ASSN STD SINGLE MATERIAL RESPONSE CUSHION
•
DIAMETER: 0.204 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.064 INCHES NOMINAL IN
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 2.002 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 1 CL B FED SPEC SINGLE TREATMENT RESPONSE BAND
CUSHIONING ENVIRONMENTAL PROTECTIONHEAT AND OIL RESISTANT AND WEATHER RESISTANT AND OZONE RESISTANT
STYLE DESIGNATORSINGLE LOOP
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 3209 ASSN STD SINGLE MATERIAL RESPONSE CUSHION
DIAMETER0.204 INCHES NOMINAL IN
OVERALL WIDTH0.500 INCHES NOMINAL IN
MATERIAL THICKNESS0.064 INCHES NOMINAL IN
DISTANCE FROM LOOP CENTER TO TONGUE END2.002 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM BAND
END ITEM IDENTIFICATIONHEMTT FAMILY (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS); 2320-01-442-1940,TRUCK,CBT,(COMMAND BRIDGE TRANSPORTER);2320-01-304-2277 AND 2320-01-304-2278 PLS (PALLETIZED LOADING SYSTEM)
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
720-S40Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2682HXReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S219640?
S219640 is a CLAMP,LOOP.
What parts can replace S219640?
There are 2 known substitutes for S219640: 720-S40, 2682HX. Substitute compatibility should be verified for your specific system.
What is the NSN for S219640?
S219640 is cataloged in the U.S. Government catalog under NSN 5340-01-133-3738. 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.