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Technical Data Sheet
1DD956 ✓ Verified by PartsTable
· 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: 0.406 INCHES NOMINAL IN, overall_width: 0.625 INCHES NOMINAL IN, style_designator: SINGLE LOOP, tongue_hole_type: ROUND, UNTHREADED, surface_treatment: CADMIUM OR ZINC AND CHROMATE BAND, material_thickness: 0.032 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-720-6213, 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
1DD956
NSN: 5340-00-720-6213
FSC: 5340
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
diameter0.406 INCHES NOMINAL IN
overall_width0.625 INCHES NOMINAL IN
style_designatorSINGLE LOOP
tongue_hole_typeROUND, UNTHREADED
surface_treatmentCADMIUM OR ZINC AND CHROMATE BAND
material_thickness0.032 INCHES NOMINAL IN
loop_inside_diameter0.500 INCHES NOMINAL IN
end_item_identification2320-01-097-0260 HEMTT (HEAVY EXPANDED MOBILITY TACTICAL TRUCK)
material_document_and_classification66 FED STD ALL MATERIAL RESPONSES BAND
distance_from_loop_center_to_tongue_end1.031 INCHES NOMINAL IN
center_to_center_distance_between_loop_and_mounting_hole0.719 INCHES NOMINAL IN
NSN5340-00-720-6213
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1DD956 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
LOOP INSIDE DIAMETER: 0.500 INCHES NOMINAL IN
DISTANCE FROM LOOP CENTER TO TONGUE END: 1.031 INCHES NOMINAL IN
SURFACE TREATMENT: CADMIUM OR ZINC AND CHROMATE BAND
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES BAND
STYLE DESIGNATOR: SINGLE LOOP
MATERIAL THICKNESS: 0.032 INCHES NOMINAL IN
DIAMETER: 0.406 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
LOOP INSIDE DIAMETER0.500 INCHES NOMINAL IN
DISTANCE FROM LOOP CENTER TO TONGUE END1.031 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OR ZINC AND CHROMATE BAND
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES BAND
STYLE DESIGNATORSINGLE LOOP
MATERIAL THICKNESS0.032 INCHES NOMINAL IN
DIAMETER0.406 INCHES NOMINAL IN
OVERALL WIDTH0.625 INCHES NOMINAL IN
MATERIALSTEEL COMP 1005 OR STEEL COMP 1006 OR STEEL COMP 1008 OR STEEL COMP 1011 OR STEEL COMP 1012 OR STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 BAND
END ITEM IDENTIFICATION2320-01-097-0260 HEMTT (HEAVY EXPANDED MOBILITY TACTICAL TRUCK)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
5153473Upgraded Successor
successor cross-reference
successor
MS21333-27Upgraded Successor
successor cross-reference
successor
NASM21333Upgraded Successor
successor cross-reference
successor
MS21333-10Upgraded Successor
successor cross-reference
successor
NASM21333-10Upgraded Successor
successor cross-reference
successor
14058-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1DD956?
1DD956 is a CLAMP,LOOP.
What parts can replace 1DD956?
There are 19 known substitutes for 1DD956: 5153473, MS21333-27, NASM21333 and 16 more. Substitute compatibility should be verified for your specific system.
Is 1DD956 still available?
1DD956 is currently cancelled.
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