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2-140 N507-90 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2-140 N507-90: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, temp_rating: -65.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF, hardness_rating: 85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM OVERALL, peripheral_diameter: 2.420 INCHES MINIMUM AND 2.466 INCHES MAXIMUM IN, center_hole_diameter: 56.57 MILLIMETERS MINIMUM AND 57.07 MILLIMETERS MAXIMUM MM, cross-sectional_height: 2.54 MILLIMETERS MINIMUM AND 2.70 MILLIMETERS MAXIMUM MM. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-049-7381, 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
2-140 N507-90
NSN: 5330-01-049-7381
FSC: 5330 — Packing and Gasket Materials
CAGE: C0308 — PARKER HANNIFIN GMBH O-RING DIVISION (DEU)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
temp_rating-65.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
hardness_rating85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM OVERALL
peripheral_diameter2.420 INCHES MINIMUM AND 2.466 INCHES MAXIMUM IN
center_hole_diameter56.57 MILLIMETERS MINIMUM AND 57.07 MILLIMETERS MAXIMUM MM
cross-sectional_height2.54 MILLIMETERS MINIMUM AND 2.70 MILLIMETERS MAXIMUM MM
cross-sectional_shape_styleO-RING
cross_section_outside_diameter0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
material_document_and_classificationMIL-P-5510 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-049-7381
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2-140 N507-90 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
•
TEMP RATING: -65.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 2.54 MILLIMETERS MINIMUM AND 2.70 MILLIMETERS MAXIMUM MM
•
HARDNESS RATING: 85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-P-5510 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: O-RING
•
PERIPHERAL DIAMETER: 2.420 INCHES MINIMUM AND 2.466 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 56.57 MILLIMETERS MINIMUM AND 57.07 MILLIMETERS MAXIMUM MM
•
CROSS SECTION OUTSIDE DIAMETER: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
TEMP RATING-65.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT2.54 MILLIMETERS MINIMUM AND 2.70 MILLIMETERS MAXIMUM MM
HARDNESS RATING85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-5510 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLEO-RING
PERIPHERAL DIAMETER2.420 INCHES MINIMUM AND 2.466 INCHES MAXIMUM IN
CENTER HOLE DIAMETER56.57 MILLIMETERS MINIMUM AND 57.07 MILLIMETERS MAXIMUM MM
CROSS SECTION OUTSIDE DIAMETER0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM 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 1
140-739-90Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2-140 N507-90?
2-140 N507-90 is a PACKING,PREFORMED.
What parts can replace 2-140 N507-90?
There is 1 known substitute for 2-140 N507-90: 140-739-90. Substitute compatibility should be verified for your specific system.
What is the NSN for 2-140 N507-90?
2-140 N507-90 is cataloged in the U.S. Government catalog under NSN 5330-01-049-7381. 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.