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Technical Data Sheet
2HE238 ✓ 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 BUTADIENE-ACRYLONITRILE CLASS NBR, temp_rating: -65.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF, hardness_rating: 90.0 SHORE DUROMETER A NOMINAL, outside_diameter: 0.864 INCHES MINIMUM AND 0.894 INCHES MAXIMUM IN, center_hole_diameter: 18.54 MILLIMETERS MINIMUM AND 19.00 MILLIMETERS MAXIMUM MM, cross-sectional_height: 1.70 MILLIMETERS MINIMUM AND 1.86 MILLIMETERS MAXIMUM MM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-167-5082, 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
2HE238
NSN: 5330-00-167-5082
FSC: 5330
CAGE: 70691 — CAPITOL GEARS INC
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating-65.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF
hardness_rating90.0 SHORE DUROMETER A NOMINAL
outside_diameter0.864 INCHES MINIMUM AND 0.894 INCHES MAXIMUM IN
center_hole_diameter18.54 MILLIMETERS MINIMUM AND 19.00 MILLIMETERS MAXIMUM MM
cross-sectional_height1.70 MILLIMETERS MINIMUM AND 1.86 MILLIMETERS MAXIMUM MM
NSN5330-00-167-5082
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2HE238 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
CENTER HOLE DIAMETER: 5.375 INCHES NOMINAL IN
MATERIAL: RUBBER SYNTHETIC OVERALL
CROSS-SECTIONAL SHAPE STYLE: SPECIAL
PERIPHERAL DIAMETER: 5.625 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT: 0.139 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION: 417CM,FSCM 07322 MFR REF SINGLE MATERIAL RESPONSE OVERALL CM
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER5.375 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC OVERALL
CROSS-SECTIONAL SHAPE STYLESPECIAL
PERIPHERAL DIAMETER5.625 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.139 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION417CM,FSCM 07322 MFR REF SINGLE MATERIAL RESPONSE OVERALL CM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
7-755-018002Interchangeable
interchangeable cross-reference
interchangeable
2HG238Interchangeable
interchangeable cross-reference
interchangeable
018-7799Interchangeable
interchangeable cross-reference
interchangeable
1001-325-15Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2HE238?
2HE238 is a PACKING,PREFORMED.
What parts can replace 2HE238?
There are 4 known substitutes for 2HE238: 7-755-018002, 2HG238, 018-7799 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2HE238?
2HE238 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-167-5082. This indicates validated use in U.S. government and defense supply chains.
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