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Technical Data Sheet
PartsTable / MRO / 350-218
350-218 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The FUSEHOLDER,BLOCK is a the manufacturer industrial component. Key specifications include material: PLASTIC BODY, body_style: CLIP CONNECTED TYPE, case_style: SQUARE, seal_width: 0.500 INCHES NOMINAL IN, hole_diameter: 0.312 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN, overall_width: 0.812 INCHES NOMINAL 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 5330-00-215-5471, 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
MRO→ MRO_GENERAL→ 350-218
NSN: 5330-00-215-5471
FSC: 5330
CAGE: 80201 — SKF USA INC. DBA SKF AEROSPACE SEALING SOLUTIONS (USA)
SPECIFICATIONS
materialPLASTIC BODY
body_styleCLIP CONNECTED TYPE
case_styleSQUARE
seal_width0.500 INCHES NOMINAL IN
hole_diameter0.312 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN
overall_width0.812 INCHES NOMINAL IN
base_thickness0.250 INCHES NOMINAL IN
coating_methodPLATED CONTACT
overall_height0.750 INCHES NOMINAL IN
overall_length1.625 INCHES NOMINAL IN
outside_diameter0.490 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN
unable_to_decodeUNABLE TO DECODE
NSN5330-00-215-5471
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 350-218 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
•
ACCOMMODATED SHAFT DIAMETER: 2.562 INCHES NOMINAL IN
•
MATERIAL: STEEL CASE
•
SURFACE TREATMENT: PLASTIC CASE
•
SEALING ELEMENT STYLE: ANGULAR
•
SEAL WIDTH: 0.500 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
•
OUTSIDE DIAMETER: 3.505 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
ACCOMMODATED SHAFT DIAMETER2.562 INCHES NOMINAL IN
MATERIALSTEEL CASE
SURFACE TREATMENTPLASTIC CASE
SEALING ELEMENT STYLEANGULAR
MATERIALLEATHER AND RUBBER SYNTHETIC SEALING ELEMENT
SEAL WIDTH0.500 INCHES NOMINAL IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
OUTSIDE DIAMETER3.505 INCHES NOMINAL IN
CASE STYLESQUARE
HOUSING BORE DIAMETER3.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
25577Interchangeable
interchangeable cross-reference
interchangeable
1793511Interchangeable
interchangeable cross-reference
interchangeable
346Interchangeable
interchangeable cross-reference
interchangeable
1887Interchangeable
interchangeable cross-reference
interchangeable
H1617-92AInterchangeable
interchangeable cross-reference
interchangeable
7029370Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 350-218?
350-218 is a FUSEHOLDER,BLOCK. It is classified as a MRO (MRO_GENERAL).
What parts can replace 350-218?
There are 21 known substitutes for 350-218: 25577, 1793511, 346 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 350-218?
350-218 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-215-5471. 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