PartsTable
Technical Data Sheet
MS33666-120 ✓ 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 PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER ETHYLENE-PROPYLENE CLASS EPM OVERALL, peripheral_diameter: 1.193 INCHES NOMINAL IN, center_hole_diameter: 0.977 INCHES MINIMUM AND 0.997 INCHES MAXIMUM IN, cross-sectional_height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN, criticality_code_justification: ZZZW. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-237-1228, 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
MS33666-120
NSN: 5330-01-237-1228
FSC: 5330
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialRUBBER ETHYLENE-PROPYLENE CLASS EPM OVERALL
peripheral_diameter1.193 INCHES NOMINAL IN
center_hole_diameter0.977 INCHES MINIMUM AND 0.997 INCHES MAXIMUM IN
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
departure_from_cited_documentMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUAILTY CONTROL,MANUFACTURING AND TESTINGS SPECIFICATIONS
criticality_code_justificationZZZW
NSN5330-01-237-1228
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS33666-120 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
PERIPHERAL DIAMETER: 1.193 INCHES NOMINAL IN
MATERIAL: RUBBER ETHYLENE-PROPYLENE CLASS EPM OVERALL
DEPARTURE FROM CITED DOCUMENT: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUAILTY CONTROL,MANUFACTURING AND TESTINGS SPECIFICATIONS
CENTER HOLE DIAMETER: 0.977 INCHES MINIMUM AND 0.997 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
CRITICALITY CODE JUSTIFICATION: ZZZW
TECHNICAL CHARACTERISTICS (FLIS)
PERIPHERAL DIAMETER1.193 INCHES NOMINAL IN
MATERIALRUBBER ETHYLENE-PROPYLENE CLASS EPM OVERALL
DEPARTURE FROM CITED DOCUMENTMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUAILTY CONTROL,MANUFACTURING AND TESTINGS SPECIFICATIONS
CENTER HOLE DIAMETER0.977 INCHES MINIMUM AND 0.997 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
CRITICALITY CODE JUSTIFICATIONZZZW
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
0-50-120Interchangeable
interchangeable cross-reference
interchangeable
568120-2Interchangeable
interchangeable cross-reference
interchangeable
AS568-120Interchangeable
interchangeable cross-reference
interchangeable
7HB539Interchangeable
interchangeable cross-reference
interchangeable
SE12IN FN-52 SHT 3Interchangeable
interchangeable cross-reference
interchangeable
500292Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS33666-120?
MS33666-120 is a PACKING,PREFORMED.
What parts can replace MS33666-120?
There are 19 known substitutes for MS33666-120: 0-50-120, 568120-2, AS568-120 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS33666-120?
MS33666-120 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-237-1228. This indicates validated use in U.S. government and defense supply chains.
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