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4HHA100-18A — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4HHA100-18A: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: GLASS AND PLASTIC ALKYD OR PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, outside_diameter: 4.026 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 3.796 INCHES NOMINAL IN, cross-sectional_thickness: 0.115 INCHES NOMINAL IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-267-0744, 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
4HHA100-18A
NSN: 5330-00-267-0744
FSC: 5330 — Packing and Gasket Materials
CAGE: 05283 — SHEFFER CORP (USA)
SPECIFICATIONS
materialGLASS AND PLASTIC ALKYD OR PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
outside_diameter4.026 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter3.796 INCHES NOMINAL IN
cross-sectional_thickness0.115 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-267-0744
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4HHA100-18A 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 THICKNESS: 0.115 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 4.026 INCHES NOMINAL IN
•
APERTURE DIAMETER: 3.796 INCHES NOMINAL IN
•
MATERIAL: GLASS AND PLASTIC ALKYD OR PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.115 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER4.026 INCHES NOMINAL IN
APERTURE DIAMETER3.796 INCHES NOMINAL IN
MATERIALGLASS AND PLASTIC ALKYD OR PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 2
185-301-0400Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
71111501PC5Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4HHA100-18A?
4HHA100-18A is a GASKET.
What parts can replace 4HHA100-18A?
There are 2 known substitutes for 4HHA100-18A: 185-301-0400, 71111501PC5. Substitute compatibility should be verified for your specific system.
What is the NSN for 4HHA100-18A?
4HHA100-18A is cataloged in the U.S. Government catalog under NSN 5330-00-267-0744. This indicates validated use in U.S. government and defense supply chains.
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