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Technical Data Sheet
PartsTable / COMPONENT / AN742D9C
AN742D9C ✓ 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: ALUMINUM ALLOY 2024 BAND, overall_width: 0.375 INCHES NOMINAL IN, style_designator: OFFSET MOUNT, tongue_hole_type: ROUND, UNTHREADED, material_thickness: 0.030 INCHES MINIMUM AND 0.035 INCHES MAXIMUM 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 5340-00-597-6166, 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
AN742D9C
NSN: 5340-00-597-6166
FSC: 5340
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
diameter0.204 INCHES NOMINAL IN
materialALUMINUM ALLOY 2024 BAND
overall_width0.375 INCHES NOMINAL IN
style_designatorOFFSET MOUNT
tongue_hole_typeROUND, UNTHREADED
material_thickness0.030 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
loop_inside_diameter0.548 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN
nondefinitive_spec/std_data4 TYPE AND A CLASS
material_document_and_classificationQQ-A-362 FED SPEC SINGLE MATERIAL RESPONSE BAND
distance_from_loop_center_to_tongue_end0.811 INCHES NOMINAL IN
center_to_center_distance_between_loop_and_mounting_hole0.623 INCHES NOMINAL IN
NSN5340-00-597-6166
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AN742D9C 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: RUBBER CUSHION
•
STYLE DESIGNATOR: OFFSET MOUNT
•
NONDEFINITIVE SPEC/STD DATA: 4 TYPE AND A CLASS
•
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE: 0.623 INCHES NOMINAL IN
•
LOOP INSIDE DIAMETER: 0.548 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.030 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER CUSHION
STYLE DESIGNATOROFFSET MOUNT
MATERIALALUMINUM ALLOY 2024 BAND
NONDEFINITIVE SPEC/STD DATA4 TYPE AND A CLASS
OVERALL WIDTH0.375 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE0.623 INCHES NOMINAL IN
LOOP INSIDE DIAMETER0.548 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN
MATERIAL THICKNESS0.030 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-362 FED SPEC SINGLE MATERIAL RESPONSE BAND
TONGUE HOLE TYPEROUND, UNTHREADED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
5340PL1524825Upgraded Successor
successor cross-reference
successor
MS21106-16Upgraded Successor
successor cross-reference
successor
MIL-DTL-8603Upgraded Successor
successor cross-reference
successor
AS21919WG40Upgraded Successor
successor cross-reference
successor
5340PL1653549Upgraded Successor
successor cross-reference
successor
MS21919WG40Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN742D9C?
AN742D9C is a CLAMP,LOOP.
What parts can replace AN742D9C?
There are 17 known substitutes for AN742D9C: 5340PL1524825, MS21106-16, MIL-DTL-8603 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AN742D9C?
AN742D9C is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-597-6166. 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