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Technical Data Sheet
PartsTable / COMPONENT / 1-300-218-01
1-300-218-01 ✓ 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 SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: STEEL CASE, case_style: SQUARE, seal_width: 0.546 INCHES MINIMUM AND 0.579 INCHES MAXIMUM IN, temp_rating: 350.0 FAHRENHEIT DEGF, housing_bore_diameter: 5.695 INCHES MINIMUM AND 5.715 INCHES MAXIMUM IN, sealing_element_style: VERTICAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-954-1297, 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
1-300-218-01
NSN: 5330-00-954-1297
FSC: 5330
CAGE: 78U39 — OZARK AEROWORKS LLC (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleSQUARE
seal_width0.546 INCHES MINIMUM AND 0.579 INCHES MAXIMUM IN
temp_rating350.0 FAHRENHEIT DEGF
housing_bore_diameter5.695 INCHES MINIMUM AND 5.715 INCHES MAXIMUM IN
sealing_element_styleVERTICAL
accommodated_shaft_diameter4.749 INCHES MINIMUM AND 4.751 INCHES MAXIMUM IN
material_document_and_classification4133-1,91251 MFR REF SINGLE MATERIAL RESPONSE SEALING ELEMENT
accommodated_shaft_maximum_rated_speed17000 FEET PER MINUTE FT
NSN5330-00-954-1297
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1-300-218-01 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
•
CASE STYLE: SQUARE
•
HOUSING BORE DIAMETER: 5.695 INCHES MINIMUM AND 5.715 INCHES MAXIMUM IN
•
TEMP RATING: 350.0 FAHRENHEIT DEGF
•
MATERIAL: STEEL CASE
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE1008,81343 MFR REF SINGLE MATERIAL RESPONSE CASE
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 17000 FEET PER MINUTE FT
•
SEALING ELEMENT STYLE: VERTICAL
TECHNICAL CHARACTERISTICS (FLIS)
CASE STYLESQUARE
HOUSING BORE DIAMETER5.695 INCHES MINIMUM AND 5.715 INCHES MAXIMUM IN
TEMP RATING350.0 FAHRENHEIT DEGF
MATERIALSTEEL CASE
MATERIAL DOCUMENT AND CLASSIFICATIONSAE1008,81343 MFR REF SINGLE MATERIAL RESPONSE CASE
ACCOMMODATED SHAFT MAXIMUM RATED SPEED17000 FEET PER MINUTE FT
SEALING ELEMENT STYLEVERTICAL
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
SEAL WIDTH0.546 INCHES MINIMUM AND 0.579 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION4133-1,91251 MFR REF SINGLE MATERIAL RESPONSE SEALING ELEMENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
3740172Interchangeable
interchangeable cross-reference
interchangeable
4078Interchangeable
interchangeable cross-reference
interchangeable
E731306Interchangeable
interchangeable cross-reference
interchangeable
BAC1505-34393Interchangeable
interchangeable cross-reference
interchangeable
1M544Interchangeable
interchangeable cross-reference
interchangeable
X225Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1-300-218-01?
1-300-218-01 is a SEAL,PLAIN ENCASED.
What parts can replace 1-300-218-01?
There are 17 known substitutes for 1-300-218-01: 3740172, 4078, E731306 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1-300-218-01?
1-300-218-01 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-954-1297. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026