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Technical Data Sheet
211004784CP ✓ 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 O-RING is a the manufacturer industrial component. Key specifications include color: BLACK OR BROWN, material: RUBBER FLUOROCARBON CLASS FPM, center_hole_diameter: 1.359 INCHES NOMINAL IN, cross-sectional_height: 0.139 INCHES NOMINAL IN, departure_from_cited_document: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D, 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 5331-01-399-7878, 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
211004784CP
NSN: 5331-01-399-7878
FSC: 5331 — O-RING
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
colorBLACK OR BROWN
materialRUBBER FLUOROCARBON CLASS FPM
center_hole_diameter1.359 INCHES NOMINAL IN
cross-sectional_height0.139 INCHES NOMINAL IN
departure_from_cited_documentCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
criticality_code_justificationZZZW
NSN5331-01-399-7878
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 211004784CP 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
CROSS-SECTIONAL HEIGHT: 0.139 INCHES NOMINAL IN
CRITICALITY CODE JUSTIFICATION: ZZZW
DEPARTURE FROM CITED DOCUMENT: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
COLOR: BLACK OR BROWN
CENTER HOLE DIAMETER: 1.359 INCHES NOMINAL IN
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.139 INCHES NOMINAL IN
CRITICALITY CODE JUSTIFICATIONZZZW
DEPARTURE FROM CITED DOCUMENTCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
COLORBLACK OR BROWN
CENTER HOLE DIAMETER1.359 INCHES NOMINAL IN
MATERIALRUBBER FLUOROCARBON CLASS FPM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
2621-607-01 PC 65-4Interchangeable
interchangeable cross-reference
interchangeable
40688-8 PC 22Interchangeable
interchangeable cross-reference
interchangeable
AS3581-220Interchangeable
interchangeable cross-reference
interchangeable
M83248/2-220Interchangeable
Same NIIN cross-reference
interchangeable
AS3209-220CPInterchangeable
Same NIIN cross-reference
interchangeable
801-6404716 FIND 22CPInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 211004784CP?
211004784CP is a O-RING.
What parts can replace 211004784CP?
There are 11 known substitutes for 211004784CP: 2621-607-01 PC 65-4, 40688-8 PC 22, AS3581-220 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 211004784CP?
211004784CP is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-399-7878. This indicates validated use in U.S. government and defense supply chains.
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