PartsTable
Technical Data Sheet
MS21315-32 ✓ 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, material: ALUMINUM ALLOY 2024 LOCATION NOT OTHERWISE SPECIFIED, mounting_pad: NOT INCLUDED, overall_width: 0.375 INCHES NOMINAL IN, overall_length: 2.018 INCHES NOMINAL IN, style_designator: CURVED ARCH. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-726-0785, 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
MS21315-32
NSN: 5340-00-726-0785
FSC: 5340
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
cushionNOT INCLUDED
materialALUMINUM ALLOY 2024 LOCATION NOT OTHERWISE SPECIFIED
mounting_padNOT INCLUDED
overall_width0.375 INCHES NOMINAL IN
overall_length2.018 INCHES NOMINAL IN
style_designatorCURVED ARCH
surface_treatmentANODIZE
material_thickness0.040 INCHES NOMINAL IN
mounting_hole_size0.173 INCHES NOMINAL IN
inside_diameter/arch_length1.250 INCHES NOMINAL IN
nondefinitive_spec/std_data3 TYPE AND B STYLE
distance_between_mounting_hole_centers1.642 INCHES NOMINAL IN
NSN5340-00-726-0785
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS21315-32 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
MOUNTING HOLE SIZE: 0.173 INCHES NOMINAL IN
SURFACE TREATMENT: ANODIZE
NONDEFINITIVE SPEC/STD DATA: 3 TYPE AND B STYLE
STYLE DESIGNATOR: CURVED ARCH
MATERIAL: ALUMINUM ALLOY 2024 LOCATION NOT OTHERWISE SPECIFIED
MOUNTING PAD: NOT INCLUDED
MATERIAL THICKNESS: 0.040 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH0.375 INCHES NOMINAL IN
MOUNTING HOLE SIZE0.173 INCHES NOMINAL IN
SURFACE TREATMENTANODIZE
NONDEFINITIVE SPEC/STD DATA3 TYPE AND B STYLE
STYLE DESIGNATORCURVED ARCH
MATERIALALUMINUM ALLOY 2024 LOCATION NOT OTHERWISE SPECIFIED
MOUNTING PADNOT INCLUDED
MATERIAL THICKNESS0.040 INCHES NOMINAL IN
DISTANCE BETWEEN BASE AND INSIDE OF ARCH1.234 INCHES NOMINAL IN
DISTANCE BETWEEN MOUNTING HOLE CENTERS1.642 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
FF-S-760Upgraded Successor
successor cross-reference
successor
167A33Upgraded Successor
successor cross-reference
successor
NASM760-TYP1, STYB, 5/16Upgraded Successor
successor cross-reference
successor
PTMC75Upgraded Successor
successor cross-reference
successor
NASM760Upgraded Successor
successor cross-reference
successor
MS35140-16Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS21315-32?
MS21315-32 is a STRAP,RETAINING.
What parts can replace MS21315-32?
There are 10 known substitutes for MS21315-32: FF-S-760, 167A33, NASM760-TYP1, STYB, 5/16 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS21315-32?
MS21315-32 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-726-0785. This indicates validated use in U.S. government and defense supply chains.
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