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Technical Data Sheet
PartsTable / COMPONENT / MS21333-27
MS21333-27 ✓ 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 CLAMP,LOOP is a the manufacturer industrial component. Key specifications include diameter: 0.203 INCHES NOMINAL IN, material: STEEL BAND, overall_width: 0.500 INCHES NOMINAL IN, style_designator: SINGLE LOOP, tongue_hole_type: ROUND, UNTHREADED, surface_treatment: CADMIUM AND CHROMATE OR ZINC AND CHROMATE BAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-854-6532, 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
MS21333-27
NSN: 5340-00-854-6532
FSC: 5340
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
diameter0.203 INCHES NOMINAL IN
materialSTEEL BAND
overall_width0.500 INCHES NOMINAL IN
style_designatorSINGLE LOOP
tongue_hole_typeROUND, UNTHREADED
surface_treatmentCADMIUM AND CHROMATE OR ZINC AND CHROMATE BAND
material_thickness0.040 INCHES NOMINAL IN
loop_inside_diameter3.000 INCHES NOMINAL IN
material_document_and_classification66 FED STD SINGLE MATERIAL RESPONSE BAND
distance_from_loop_center_to_tongue_end2.000 INCHES NOMINAL IN
center_to_center_distance_between_loop_and_mounting_hole1.781 INCHES NOMINAL IN
NSN5340-00-854-6532
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS21333-27 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
•
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE: 1.781 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE BAND
•
MATERIAL: STEEL BAND
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OR ZINC AND CHROMATE BAND
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 2.000 INCHES NOMINAL IN
•
DIAMETER: 0.203 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SINGLE LOOP
•
LOOP INSIDE DIAMETER: 3.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE1.781 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE BAND
MATERIALSTEEL BAND
SURFACE TREATMENTCADMIUM AND CHROMATE OR ZINC AND CHROMATE BAND
DISTANCE FROM LOOP CENTER TO TONGUE END2.000 INCHES NOMINAL IN
DIAMETER0.203 INCHES NOMINAL IN
STYLE DESIGNATORSINGLE LOOP
LOOP INSIDE DIAMETER3.000 INCHES NOMINAL IN
TONGUE HOLE TYPEROUND, UNTHREADED
MATERIAL THICKNESS0.040 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
MS21333-15Upgraded Successor
successor cross-reference
successor
NASM21333Upgraded Successor
successor cross-reference
successor
CMDX2-1PT502740Upgraded Successor
successor cross-reference
successor
5340000502740Upgraded Successor
successor cross-reference
successor
456720123010Upgraded Successor
successor cross-reference
successor
5340000509077Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS21333-27?
MS21333-27 is a CLAMP,LOOP.
What parts can replace MS21333-27?
There are 20 known substitutes for MS21333-27: MS21333-15, NASM21333, CMDX2-1PT502740 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS21333-27?
MS21333-27 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-854-6532. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026