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Technical Data Sheet
NASM21315 ✓ 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: STEEL LOCATION NOT OTHERWISE SPECIFIED, mounting_pad: NOT INCLUDED, overall_width: 0.375 INCHES NOMINAL IN, overall_length: 1.232 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 5340-00-051-7464, 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
NSN: 5340-00-051-7464
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 LOCATION NOT OTHERWISE SPECIFIED
mounting_padNOT INCLUDED
overall_width0.375 INCHES NOMINAL IN
overall_length1.232 INCHES NOMINAL IN
style_designatorCURVED ARCH
surface_treatmentANODIZE
material_thickness0.038 INCHES NOMINAL IN
mounting_hole_size0.173 INCHES NOMINAL IN
inside_diameter/arch_length0.469 INCHES NOMINAL IN
nondefinitive_spec/std_data3 TYPE AND B STYLE
material_document_and_classificationQQ-S-698,COLD ROLLED STRIP,TEMPERS NO. 2,3,4,OR 5 FED SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
NSN5340-00-051-7464
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NASM21315 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 BASE AND INSIDE OF ARCH: 0.984 INCHES NOMINAL IN
CUSHION: NOT INCLUDED
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: 3 TYPE AND B STYLE
STYLE DESIGNATOR: CURVED ARCH
SURFACE TREATMENT: CADMIUM AND CHROMATE
MATERIAL THICKNESS: 0.040 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
DISTANCE BETWEEN BASE AND INSIDE OF ARCH0.984 INCHES NOMINAL IN
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
NONDEFINITIVE SPEC/STD DATA3 TYPE AND B STYLE
STYLE DESIGNATORCURVED ARCH
SURFACE TREATMENTCADMIUM AND CHROMATE
MATERIAL THICKNESS0.040 INCHES NOMINAL IN
OVERALL WIDTH0.375 INCHES NOMINAL IN
INSIDE DIAMETER/ARCH LENGTH1.000 INCHES NOMINAL IN
DISTANCE BETWEEN MOUNTING HOLE CENTERS1.388 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
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 NASM21315?
NASM21315 is a STRAP,RETAINING.
What parts can replace NASM21315?
There are 11 known substitutes for NASM21315: FF-S-760, 167A33, NASM760-TYP1, STYB, 5/16 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NASM21315?
NASM21315 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-051-7464. This indicates validated use in U.S. government and defense supply chains.
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