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PartsTable / COMPONENT / AN742F46
AN742F46 ✓ 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: STEEL COMP 321 OR STEEL COMP 348 BAND, overall_width: 0.500 INCHES NOMINAL IN, style_designator: SINGLE LOOP, tongue_hole_type: ROUND, UNTHREADED, surface_treatment: PASSIVATE BAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-300-1981, 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
AN742F46
NSN: 5340-00-300-1981
FSC: 5340
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
diameter0.204 INCHES NOMINAL IN
materialSTEEL COMP 321 OR STEEL COMP 348 BAND
overall_width0.500 INCHES NOMINAL IN
style_designatorSINGLE LOOP
tongue_hole_typeROUND, UNTHREADED
surface_treatmentPASSIVATE BAND
material_thickness0.036 INCHES MINIMUM AND 0.044 INCHES MAXIMUM IN
loop_inside_diameter2.860 INCHES MINIMUM AND 2.890 INCHES MAXIMUM IN
material_document_and_classificationMIL-S-6721 MIL SPEC ALL MATERIAL RESPONSES BAND
distance_from_loop_center_to_tongue_end2.069 INCHES NOMINAL IN
surface_treatment_document_and_classificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BAND
center_to_center_distance_between_loop_and_mounting_hole1.851 INCHES NOMINAL IN
NSN5340-00-300-1981
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AN742F46 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 DOCUMENT AND CLASSIFICATION: MIL-S-6721 MIL SPEC ALL MATERIAL RESPONSES BAND
•
STYLE DESIGNATOR: SINGLE LOOP
•
MATERIAL: STEEL COMP 321 OR STEEL COMP 348 BAND
•
DIAMETER: 0.204 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BAND
•
SURFACE TREATMENT: PASSIVATE BAND
•
LOOP INSIDE DIAMETER: 2.860 INCHES MINIMUM AND 2.890 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6721 MIL SPEC ALL MATERIAL RESPONSES BAND
STYLE DESIGNATORSINGLE LOOP
MATERIALSTEEL COMP 321 OR STEEL COMP 348 BAND
DIAMETER0.204 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BAND
SURFACE TREATMENTPASSIVATE BAND
OVERALL WIDTH0.500 INCHES NOMINAL IN
LOOP INSIDE DIAMETER2.860 INCHES MINIMUM AND 2.890 INCHES MAXIMUM IN
DISTANCE FROM LOOP CENTER TO TONGUE END2.069 INCHES NOMINAL IN
TONGUE HOLE TYPEROUND, UNTHREADED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
MS21103Interchangeable
interchangeable cross-reference
interchangeable
MS21103-7Interchangeable
interchangeable cross-reference
interchangeable
MS21103-12Interchangeable
interchangeable cross-reference
interchangeable
MS21103-28Interchangeable
interchangeable cross-reference
interchangeable
5340PL0727323Interchangeable
interchangeable cross-reference
interchangeable
5340001863389Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN742F46?
AN742F46 is a CLAMP,LOOP.
What parts can replace AN742F46?
There are 13 known substitutes for AN742F46: MS21103, MS21103-7, MS21103-12 and 10 more. Substitute compatibility should be verified for your specific system.
Is AN742F46 still available?
AN742F46 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