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Technical Data Sheet
221-98 ✓ 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 RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include color: OFF-WHITE, guide: NOT INCLUDED, diameter: 0.311 INCHES NOMINAL IN, material: STEEL LOCATION NOT OTHERWISE SPECIFIED, duty_type: CONTINUOUS, body_width: 0.260 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-021-3678, 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
221-98
NSN: 5330-00-021-3678
FSC: 5330
CAGE: 76122 — INDUSTRIAL TECHNOLOGIES AND SERVICES LLC (USA)
SPECIFICATIONS
colorOFF-WHITE
guideNOT INCLUDED
diameter0.311 INCHES NOMINAL IN
materialSTEEL LOCATION NOT OTHERWISE SPECIFIED
duty_typeCONTINUOUS
body_width0.260 INCHES MAXIMUM IN
flute_typeINTEGRAL
shank_typeSTRAIGHT
body_height0.150 INCHES MAXIMUM IN
body_length0.770 INCHES MAXIMUM IN
reamer_typeFLUTED CHUCKING
flute_designSTRAIGHT
NSN5330-00-021-3678
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 221-98 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 SHAPE STYLE: SOLID SINGLE OR COMPOSITION
MATERIAL: PAPER OVERALL
SURFACE TREATMENT: RUBBER SYNTHETIC OVERALL
HOLE DIAMETER: 0.344 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
BOLT CIRCLE DIAMETER: 4.625 INCHES NOMINAL IN
APERTURE DIAMETER: 4.016 INCHES NOMINAL IN
OUTSIDE DIAMETER: 5.219 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS: 0.010 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
MATERIALPAPER OVERALL
SURFACE TREATMENTRUBBER SYNTHETIC OVERALL
HOLE DIAMETER0.344 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
BOLT CIRCLE DIAMETER4.625 INCHES NOMINAL IN
APERTURE DIAMETER4.016 INCHES NOMINAL IN
OUTSIDE DIAMETER5.219 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.010 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
CP6080Interchangeable
interchangeable cross-reference
interchangeable
22198Interchangeable
interchangeable cross-reference
interchangeable
NH91110Interchangeable
interchangeable cross-reference
interchangeable
MH91110Interchangeable
interchangeable cross-reference
interchangeable
22380Interchangeable
interchangeable cross-reference
interchangeable
EASY POXY K256Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 221-98?
221-98 is a RELAY,ELECTROMAGNETIC.
What parts can replace 221-98?
There are 11 known substitutes for 221-98: CP6080, 22198, NH91110 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 221-98?
221-98 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-021-3678. This indicates validated use in U.S. government and defense supply chains.
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