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RM146 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

RM146: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, outside_diameter: 8.803 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 7.803 INCHES NOMINAL IN, cross-sectional_thickness: 0.188 INCHES NOMINAL IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-350-4591, 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
RM146
NSN: 5330-01-350-4591
FSC: 5330 — Packing and Gasket Materials
CAGE: 13800 — PARKER-HANNIFIN CORPORATION (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
outside_diameter8.803 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter7.803 INCHES NOMINAL IN
cross-sectional_thickness0.188 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-01-350-4591
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: RM146 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: 0.188 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 8.803 INCHES NOMINAL IN
•
APERTURE DIAMETER: 7.803 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.188 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER8.803 INCHES NOMINAL IN
APERTURE DIAMETER7.803 INCHES NOMINAL IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR 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
9201-0180ITEM16Reference document
Same NSN cross-reference
Reference document — Secondary reference
2621-5052Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is RM146?
RM146 is a GASKET.
What parts can replace RM146?
There are 2 known substitutes for RM146: 9201-0180ITEM16, 2621-5052. Substitute compatibility should be verified for your specific system.
What is the NSN for RM146?
RM146 is cataloged in the U.S. Government catalog under NSN 5330-01-350-4591. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.