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Technical Data Sheet
PartsTable / COMPONENT / 9M145-3
9M145-3 ✓ 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 BAND, overall_width: 0.375 INCHES NOMINAL IN, style_designator: OFFSET MOUNT, tongue_hole_type: ROUND, UNTHREADED, surface_treatment: PASSIVATE BAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-817-0910, 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
9M145-3
NSN: 5340-00-817-0910
FSC: 5340
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
diameter0.204 INCHES NOMINAL IN
materialSTEEL COMP 321 BAND
overall_width0.375 INCHES NOMINAL IN
style_designatorOFFSET MOUNT
tongue_hole_typeROUND, UNTHREADED
surface_treatmentPASSIVATE BAND
material_thickness0.020 INCHES NOMINAL IN
loop_inside_diameter0.187 INCHES NOMINAL IN
cushioning_environmental_protectionFUEL, AROMATIC AND HEAT
material_document_and_classificationMIL-S-6721 ANNEALED MIL SPEC SINGLE MATERIAL RESPONSE BAND
distance_from_loop_center_to_tongue_end0.661 INCHES NOMINAL IN
center_to_center_distance_between_loop_and_mounting_hole0.473 INCHES NOMINAL IN
NSN5340-00-817-0910
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 9M145-3 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
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 0.661 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE BAND
•
STYLE DESIGNATOR: OFFSET MOUNT
•
MATERIAL: GLASS FIBER CUSHION
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6721 ANNEALED MIL SPEC SINGLE MATERIAL RESPONSE BAND
•
CUSHIONING ENVIRONMENTAL PROTECTION: FUEL, AROMATIC AND HEAT
•
TONGUE HOLE TYPE: ROUND, UNTHREADED
TECHNICAL CHARACTERISTICS (FLIS)
DISTANCE FROM LOOP CENTER TO TONGUE END0.661 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE BAND
STYLE DESIGNATOROFFSET MOUNT
MATERIALGLASS FIBER CUSHION
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6721 ANNEALED MIL SPEC SINGLE MATERIAL RESPONSE BAND
MATERIALSTEEL COMP 321 BAND
CUSHIONING ENVIRONMENTAL PROTECTIONFUEL, AROMATIC AND HEAT
TONGUE HOLE TYPEROUND, UNTHREADED
OVERALL WIDTH0.375 INCHES NOMINAL IN
LOOP INSIDE DIAMETER0.187 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
277-3015Upgraded Successor
successor cross-reference
successor
NP28.0-3.0Upgraded Successor
successor cross-reference
successor
270-0093-020Upgraded Successor
successor cross-reference
successor
D15-518VPC493Interchangeable
interchangeable cross-reference
interchangeable
D15-561BPC573Interchangeable
interchangeable cross-reference
interchangeable
D15-518NPC493Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9M145-3?
9M145-3 is a CLAMP,LOOP.
What parts can replace 9M145-3?
There are 22 known substitutes for 9M145-3: 277-3015, NP28.0-3.0, 270-0093-020 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 9M145-3?
9M145-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-817-0910. 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