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PartsTable / COMPONENT / TA1720H021HR
TA1720H021HR ✓ 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: 0.204 INCHES NOMINAL IN, material: RUBBER SILICONE CLASS Q CUSHION, overall_width: 0.500 INCHES NOMINAL IN, style_designator: OFFSET MOUNT, tongue_hole_type: ROUND, UNTHREADED, surface_treatment: PASSIVATE BAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-990-2089, 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
TA1720H021HR
NSN: 5340-00-990-2089
FSC: 5340
CAGE: 84971 — TA AEROSPACE CO DIV TA AEROSPACE (USA)
SPECIFICATIONS
diameter0.204 INCHES NOMINAL IN
materialRUBBER SILICONE CLASS Q CUSHION
overall_width0.500 INCHES NOMINAL IN
style_designatorOFFSET MOUNT
tongue_hole_typeROUND, UNTHREADED
surface_treatmentPASSIVATE BAND
material_thickness0.032 INCHES NOMINAL IN
loop_inside_diameter1.313 INCHES NOMINAL IN
cushioning_environmental_protectionCORROSION RESISTANT AND WEATHER RESISTANT AND OIL RESISTANT
material_document_and_classificationAMS 5510 ASSN STD SINGLE MATERIAL RESPONSE BAND
distance_from_loop_center_to_tongue_end1.342 INCHES NOMINAL IN
center_to_center_distance_between_loop_and_mounting_hole1.124 INCHES NOMINAL IN
NSN5340-00-990-2089
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: TA1720H021HR 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
•
STYLE DESIGNATOR: OFFSET MOUNT
•
SURFACE TREATMENT: PASSIVATE BAND
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE BAND
•
MATERIAL: STEEL COMP 321 BAND
•
TONGUE HOLE TYPE: ROUND, UNTHREADED
•
MATERIAL THICKNESS: 0.032 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATOROFFSET MOUNT
SURFACE TREATMENTPASSIVATE BAND
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5510 ASSN STD SINGLE MATERIAL RESPONSE BAND
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 3303 ASSN STD SINGLE MATERIAL RESPONSE CUSHION
MATERIALSTEEL COMP 321 BAND
MATERIALRUBBER SILICONE CLASS Q CUSHION
TONGUE HOLE TYPEROUND, UNTHREADED
MATERIAL THICKNESS0.032 INCHES NOMINAL IN
DIAMETER0.204 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE1.124 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
46721Interchangeable
interchangeable cross-reference
interchangeable
751080-3Interchangeable
interchangeable cross-reference
interchangeable
04130Interchangeable
interchangeable cross-reference
interchangeable
550 51Interchangeable
interchangeable cross-reference
interchangeable
NAS907 TYJSZ51Interchangeable
interchangeable cross-reference
interchangeable
2AH694Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is TA1720H021HR?
TA1720H021HR is a CLAMP,LOOP.
What parts can replace TA1720H021HR?
There are 10 known substitutes for TA1720H021HR: 46721, 751080-3, 04130 and 7 more. Substitute compatibility should be verified for your specific system.
Is TA1720H021HR still available?
TA1720H021HR is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026