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S340DG16 ✓ 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 material: RUBBER ETHYLENE-PROPYLENE CLASS EPM CUSHION, overall_width: 0.750 INCHES NOMINAL IN, special_features: HOLE IN OTHER SIDE OF TONGUE IS OBLONGED AND MEASURES 0.406X0.500 INCH IN, tongue_hole_type: ROUND, UNTHREADED, loop_inside_diameter: 1.00 INCHES NOMINAL IN, fastening_device_type: BOLTS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-691-8686, 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
S340DG16
NSN: 5340-01-691-8686
FSC: 5340
CAGE: 18076 — UMPCO, INC. DBA UMPCO INC (USA)
SPECIFICATIONS
materialRUBBER ETHYLENE-PROPYLENE CLASS EPM CUSHION
overall_width0.750 INCHES NOMINAL IN
special_featuresHOLE IN OTHER SIDE OF TONGUE IS OBLONGED AND MEASURES 0.406X0.500 INCH IN
tongue_hole_typeROUND, UNTHREADED
loop_inside_diameter1.00 INCHES NOMINAL IN
fastening_device_typeBOLTS
end_item_identification2355-01-669-0331
material_document_and_classificationAMS-QQ-A-250/5 ASSN STD SINGLE MATERIAL RESPONSE BAND
distance_from_loop_center_to_tongue_end1.326 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyCLAMP, LOOP-CUSHIONED 3/8 MOUNTING BOLT
center_to_center_distance_between_loop_and_mounting_hole1.014 INCHES NOMINAL IN
NSN5340-01-691-8686
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S340DG16 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
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 1.326 INCHES NOMINAL IN
•
LOOP INSIDE DIAMETER: 1.00 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE: 1.014 INCHES NOMINAL IN
•
TONGUE HOLE TYPE: ROUND, UNTHREADED
TECHNICAL CHARACTERISTICS (FLIS)
DISTANCE FROM LOOP CENTER TO TONGUE END1.326 INCHES NOMINAL IN
LOOP INSIDE DIAMETER1.00 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE1.014 INCHES NOMINAL IN
SPECIAL FEATURESHOLE IN OTHER SIDE OF TONGUE IS OBLONGED AND MEASURES 0.406X0.500 INCH IN
OVERALL WIDTH0.750 INCHES NOMINAL IN
END ITEM IDENTIFICATION2355-01-669-0331
TONGUE HOLE TYPEROUND, UNTHREADED
PART NAME ASSIGNED BY CONTROLLING AGENCYCLAMP, LOOP-CUSHIONED 3/8 MOUNTING BOLT
FASTENING DEVICE TYPEBOLTS
MATERIALALUMINUM ALLOY 2024 BAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
3002T30P03Interchangeable
interchangeable cross-reference
interchangeable
3002T30P05Interchangeable
interchangeable cross-reference
interchangeable
R23853Interchangeable
interchangeable cross-reference
interchangeable
SS82Interchangeable
interchangeable cross-reference
interchangeable
A2-40Interchangeable
interchangeable cross-reference
interchangeable
S3-40Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S340DG16?
S340DG16 is a CLAMP,LOOP.
What parts can replace S340DG16?
There are 10 known substitutes for S340DG16: 3002T30P03, 3002T30P05, R23853 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S340DG16?
S340DG16 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-691-8686. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026