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Technical Data Sheet
PartsTable / COMPONENT / AN742D8
AN742D8 ✓ 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: 0.213 INCHES MINIMUM AND 0.223 INCHES MAXIMUM IN, material: ALUMINUM ALLOY 2024 BAND, overall_width: 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN, style_designator: SINGLE LOOP, tongue_hole_type: ROUND, UNTHREADED, surface_treatment: CHROMATE BAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-186-3389, 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
AN742D8
NSN: 5340-00-186-3389
FSC: 5340
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
diameter0.213 INCHES MINIMUM AND 0.223 INCHES MAXIMUM IN
materialALUMINUM ALLOY 2024 BAND
overall_width0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
style_designatorSINGLE LOOP
tongue_hole_typeROUND, UNTHREADED
surface_treatmentCHROMATE BAND
material_thickness0.0295 INCHES MINIMUM AND 0.0345 INCHES MAXIMUM IN
loop_inside_diameter0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
material_document_and_classificationQQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE BAND
distance_from_loop_center_to_tongue_end0.765 INCHES MINIMUM AND 0.795 INCHES MAXIMUM IN
surface_treatment_document_and_classificationMIL-C-5541,CL 1A MIL SPEC SINGLE TREATMENT RESPONSE BAND A
center_to_center_distance_between_loop_and_mounting_hole0.577 INCHES MINIMUM AND 0.607 INCHES MAXIMUM IN
NSN5340-00-186-3389
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AN742D8 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: 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 0.765 INCHES MINIMUM AND 0.795 INCHES MAXIMUM IN
•
MATERIAL: ALUMINUM ALLOY 2024 BAND
•
DIAMETER: 0.213 INCHES MINIMUM AND 0.223 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CHROMATE BAND
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE BAND
TECHNICAL CHARACTERISTICS (FLIS)
LOOP INSIDE DIAMETER0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
DISTANCE FROM LOOP CENTER TO TONGUE END0.765 INCHES MINIMUM AND 0.795 INCHES MAXIMUM IN
MATERIALALUMINUM ALLOY 2024 BAND
DIAMETER0.213 INCHES MINIMUM AND 0.223 INCHES MAXIMUM IN
SURFACE TREATMENTCHROMATE BAND
DISTANCE FROM LOOP CENTER TO TONGUE END0.765 INCHES MINIMUM AND 0.795 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE BAND
OVERALL WIDTH0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
STYLE DESIGNATORSINGLE LOOP
SURFACE TREATMENTCHROMATE BAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
6739844-17Upgraded Successor
successor cross-reference
successor
C8603ANDTYPE1ANDCLASSAUpgraded Successor
successor cross-reference
successor
24CUpgraded Successor
successor cross-reference
successor
754-22-2-8Upgraded Successor
successor cross-reference
successor
5340007269322Upgraded Successor
successor cross-reference
successor
7598Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN742D8?
AN742D8 is a CLAMP,LOOP.
What parts can replace AN742D8?
There are 21 known substitutes for AN742D8: 6739844-17, C8603ANDTYPE1ANDCLASSA, 24C and 18 more. Substitute compatibility should be verified for your specific system.
Is AN742D8 still available?
AN742D8 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