PartsTable
Technical Data Sheet
MS21315-13 ✓ 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: 0.375 INCHES NOMINAL IN, overall_length: 1.263 INCHES NOMINAL IN, style_designator: CURVED ARCH, surface_treatment: CADMIUM 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 5340-00-351-3969, 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
MS21315-13
NSN: 5340-00-351-3969
FSC: 5340
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
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_width0.375 INCHES NOMINAL IN
overall_length1.263 INCHES NOMINAL IN
style_designatorCURVED ARCH
surface_treatmentCADMIUM AND CHROMATE
material_thickness0.038 INCHES NOMINAL IN
mounting_hole_size0.173 INCHES NOMINAL IN
inside_diameter/arch_length0.500 INCHES NOMINAL IN
distance_between_mounting_hole_centers0.888 INCHES NOMINAL IN
distance_between_base_and_inside_of_arch0.484 INCHES NOMINAL IN
NSN5340-00-351-3969
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS21315-13 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
CUSHION: NOT INCLUDED
DISTANCE BETWEEN BASE AND INSIDE OF ARCH: 0.484 INCHES NOMINAL IN
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
STYLE DESIGNATOR: CURVED ARCH
SURFACE TREATMENT: CADMIUM AND CHROMATE
INSIDE DIAMETER/ARCH LENGTH: 0.500 INCHES NOMINAL IN
MOUNTING HOLE SIZE: 0.173 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CUSHIONNOT INCLUDED
DISTANCE BETWEEN BASE AND INSIDE OF ARCH0.484 INCHES NOMINAL IN
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
STYLE DESIGNATORCURVED ARCH
SURFACE TREATMENTCADMIUM AND CHROMATE
OVERALL WIDTH0.375 INCHES NOMINAL IN
INSIDE DIAMETER/ARCH LENGTH0.500 INCHES NOMINAL IN
MOUNTING HOLE SIZE0.173 INCHES NOMINAL IN
OVERALL LENGTH1.263 INCHES NOMINAL IN
DISTANCE BETWEEN MOUNTING HOLE CENTERS0.888 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
MS21315Upgraded Successor
successor cross-reference
successor
FF-S-760Upgraded Successor
successor cross-reference
successor
NASM21315Upgraded Successor
successor cross-reference
successor
NASM21315-13Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS21315-13?
MS21315-13 is a STRAP,RETAINING.
What parts can replace MS21315-13?
There are 4 known substitutes for MS21315-13: MS21315, FF-S-760, NASM21315 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS21315-13?
MS21315-13 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-351-3969. This indicates validated use in U.S. government and defense supply chains.
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