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Technical Data Sheet
PartsTable / COMPONENT / MS21314-19
MS21314-19 ✓ 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 STRAP,RETAINING is a the manufacturer industrial component. Key specifications include cushion: NOT INCLUDED, mounting_pad: NOT INCLUDED, overall_width: 1.000 INCHES NOMINAL IN, overall_length: 7.000 INCHES NOMINAL IN, style_designator: CURVED ARCH, surface_treatment: CADMIUM AND CHROMATE OR ZINC AND CHROMATE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-766-1152, 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
MS21314-19
NSN: 5340-00-766-1152
FSC: 5340
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
cushionNOT INCLUDED
materialSTEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL LOCATION NOT OTHERWISE SPECIFIED
mounting_padNOT INCLUDED
overall_width1.000 INCHES NOMINAL IN
overall_length7.000 INCHES NOMINAL IN
style_designatorCURVED ARCH
surface_treatmentCADMIUM AND CHROMATE OR ZINC AND CHROMATE
material_thickness0.125 INCHES NOMINAL IN
mounting_hole_size0.375 INCHES NOMINAL IN
inside_diameter/arch_length4.000 INCHES NOMINAL IN
nondefinitive_spec/std_data2 TYPE AND A STYLE
distance_between_mounting_hole_centers6.000 INCHES NOMINAL IN
NSN5340-00-766-1152
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS21314-19 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 BETWEEN MOUNTING HOLE CENTERS: 6.000 INCHES NOMINAL IN
•
INSIDE DIAMETER/ARCH LENGTH: 4.000 INCHES NOMINAL IN
•
MOUNTING PAD: NOT INCLUDED
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OR ZINC AND CHROMATE
•
MATERIAL: STEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL LOCATION NOT OTHERWISE SPECIFIED
•
NONDEFINITIVE SPEC/STD DATA: 2 TYPE AND A STYLE
•
STYLE DESIGNATOR: CURVED ARCH
•
CUSHION: NOT INCLUDED
TECHNICAL CHARACTERISTICS (FLIS)
DISTANCE BETWEEN MOUNTING HOLE CENTERS6.000 INCHES NOMINAL IN
INSIDE DIAMETER/ARCH LENGTH4.000 INCHES NOMINAL IN
MOUNTING PADNOT INCLUDED
SURFACE TREATMENTCADMIUM AND CHROMATE OR ZINC AND CHROMATE
MATERIALSTEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL LOCATION NOT OTHERWISE SPECIFIED
NONDEFINITIVE SPEC/STD DATA2 TYPE AND A STYLE
STYLE DESIGNATORCURVED ARCH
CUSHIONNOT INCLUDED
MATERIAL THICKNESS0.125 INCHES NOMINAL IN
DISTANCE BETWEEN BASE AND INSIDE OF ARCH4.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
MS21314-1Interchangeable
interchangeable cross-reference
interchangeable
FF-S-760Interchangeable
interchangeable cross-reference
interchangeable
PTT10Interchangeable
interchangeable cross-reference
interchangeable
NASM21314Interchangeable
interchangeable cross-reference
interchangeable
PTT12Interchangeable
interchangeable cross-reference
interchangeable
MS21314-6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS21314-19?
MS21314-19 is a STRAP,RETAINING.
What parts can replace MS21314-19?
There are 18 known substitutes for MS21314-19: MS21314-1, FF-S-760, PTT10 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS21314-19?
MS21314-19 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-766-1152. 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