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Technical Data Sheet
NASM21314 ✓ 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: 0.750 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN, overall_length: 2.875 INCHES MINIMUM AND 3.125 INCHES MAXIMUM 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 5340-00-190-6798, 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
NASM21314
NSN: 5340-00-190-6798
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_width0.750 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
overall_length2.875 INCHES MINIMUM AND 3.125 INCHES MAXIMUM IN
style_designatorCURVED ARCH
surface_treatmentCADMIUM AND CHROMATE OR ZINC AND CHROMATE
material_thickness0.065 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
mounting_hole_size0.265 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
inside_diameter/arch_length1.114 INCHES MINIMUM AND 1.134 INCHES MAXIMUM IN
nondefinitive_spec/std_data2 TYPE AND A STYLE
material_document_and_classificationQQ-S-698 TEMPER HALF HARD FED SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
NSN5340-00-190-6798
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NASM21314 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
NONDEFINITIVE SPEC/STD DATA: 2 TYPE AND A STYLE
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
STYLE DESIGNATOR: CURVED ARCH
CUSHION: NOT INCLUDED
DISTANCE BETWEEN MOUNTING HOLE CENTERS: 1.312 INCHES NOMINAL IN
INSIDE DIAMETER/ARCH LENGTH: 0.406 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH1.750 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATA2 TYPE AND A STYLE
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
STYLE DESIGNATORCURVED ARCH
CUSHIONNOT INCLUDED
DISTANCE BETWEEN MOUNTING HOLE CENTERS1.312 INCHES NOMINAL IN
INSIDE DIAMETER/ARCH LENGTH0.406 INCHES NOMINAL IN
MOUNTING PADNOT INCLUDED
MOUNTING HOLE SIZE0.203 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
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 NASM21314?
NASM21314 is a STRAP,RETAINING.
What parts can replace NASM21314?
There are 21 known substitutes for NASM21314: FF-S-760, 167A33, NASM760-TYP1, STYB, 5/16 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NASM21314?
NASM21314 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-190-6798. This indicates validated use in U.S. government and defense supply chains.
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