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Technical Data Sheet
NASM21315-MS21315-5 ✓ 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: 1.014 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 5340-00-915-3641, 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
NASM21315-MS21315-5
NSN: 5340-00-915-3641
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_length1.014 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_length0.250 INCHES NOMINAL IN
nondefinitive_spec/std_data3 TYPE AND B STYLE
distance_between_mounting_hole_centers0.638 INCHES NOMINAL IN
NSN5340-00-915-3641
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NASM21315-MS21315-5 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
SURFACE TREATMENT: CADMIUM AND CHROMATE
STYLE DESIGNATOR: CURVED ARCH
NONDEFINITIVE SPEC/STD DATA: 3 TYPE AND B STYLE
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
DISTANCE BETWEEN BASE AND INSIDE OF ARCH: 0.234 INCHES NOMINAL IN
MATERIAL THICKNESS: 0.038 INCHES NOMINAL IN
CUSHION: NOT INCLUDED
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTCADMIUM AND CHROMATE
STYLE DESIGNATORCURVED ARCH
NONDEFINITIVE SPEC/STD DATA3 TYPE AND B STYLE
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
DISTANCE BETWEEN BASE AND INSIDE OF ARCH0.234 INCHES NOMINAL IN
MATERIAL THICKNESS0.038 INCHES NOMINAL IN
CUSHIONNOT INCLUDED
OVERALL WIDTH0.375 INCHES NOMINAL IN
MOUNTING PADNOT INCLUDED
OVERALL LENGTH1.014 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
FFS760Upgraded Successor
successor cross-reference
successor
MS35140-23Upgraded Successor
successor cross-reference
successor
NASM760Upgraded Successor
successor cross-reference
successor
PTMC250Upgraded Successor
successor cross-reference
successor
FF-S-760AUpgraded Successor
successor cross-reference
successor
1280Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NASM21315-MS21315-5?
NASM21315-MS21315-5 is a STRAP,RETAINING.
What parts can replace NASM21315-MS21315-5?
There are 20 known substitutes for NASM21315-MS21315-5: FFS760, MS35140-23, NASM760 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NASM21315-MS21315-5?
NASM21315-MS21315-5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-915-3641. This indicates validated use in U.S. government and defense supply chains.
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