PartsTable
Technical Data Sheet
K21-15649-01 ✓ 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: STEEL COMP 304 BUCKLE/CLIP, overall_width: 0.5 INCHES NOMINAL IN, special_features: CLAMP, LOOP TYPE SUPPORT, CUSHIONED; 1/4IN MOUNTING BOLT, 1/2IN WIDE; LIGHT/MEDIUM DUTY IN, style_designator: SINGLE LOOP, material_thickness: 0.032 INCHES NOMINAL IN, loop_inside_diameter: 0.25 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-543-5019, 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
K21-15649-01
NSN: 5340-01-543-5019
FSC: 5340
CAGE: 0K0L1 — KLINGE CORPORATION DBA KLINGE CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 304 BUCKLE/CLIP
overall_width0.5 INCHES NOMINAL IN
special_featuresCLAMP, LOOP TYPE SUPPORT, CUSHIONED; 1/4IN MOUNTING BOLT, 1/2IN WIDE; LIGHT/MEDIUM DUTY IN
style_designatorSINGLE LOOP
material_thickness0.032 INCHES NOMINAL IN
loop_inside_diameter0.25 INCHES NOMINAL IN
end_item_identification1940-01-526-7164, MK3 BRIDGE ERECTION BOAT
distance_from_loop_center_to_tongue_end0.748 INCHES NOMINAL IN
center_to_center_distance_between_loop_and_mounting_hole0.53 INCHES NOMINAL IN
NSN5340-01-543-5019
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: K21-15649-01 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
MATERIAL: STEEL COMP 304 BUCKLE/CLIP
MATERIAL THICKNESS: 0.032 INCHES NOMINAL IN
LOOP INSIDE DIAMETER: 0.25 INCHES NOMINAL IN
DISTANCE FROM LOOP CENTER TO TONGUE END: 0.748 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE: 0.53 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 304 BUCKLE/CLIP
MATERIAL THICKNESS0.032 INCHES NOMINAL IN
LOOP INSIDE DIAMETER0.25 INCHES NOMINAL IN
OVERALL WIDTH0.5 INCHES NOMINAL IN
END ITEM IDENTIFICATION1940-01-526-7164, MK3 BRIDGE ERECTION BOAT
DISTANCE FROM LOOP CENTER TO TONGUE END0.748 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE0.53 INCHES NOMINAL IN
SPECIAL FEATURESCLAMP, LOOP TYPE SUPPORT, CUSHIONED; 1/4IN MOUNTING BOLT, 1/2IN WIDE; LIGHT/MEDIUM DUTY IN
STYLE DESIGNATORSINGLE LOOP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
25604Upgraded Successor
successor cross-reference
successor
22086Upgraded Successor
successor cross-reference
successor
49735Interchangeable
interchangeable cross-reference
interchangeable
C08845Interchangeable
interchangeable cross-reference
interchangeable
2510 35/64Interchangeable
interchangeable cross-reference
interchangeable
P323SXGP3V474JInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is K21-15649-01?
K21-15649-01 is a CLAMP,LOOP.
What parts can replace K21-15649-01?
There are 13 known substitutes for K21-15649-01: 25604, 22086, 49735 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for K21-15649-01?
K21-15649-01 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-543-5019. This indicates validated use in U.S. government and defense supply chains.
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