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1591487 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1591487: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, overall_width: 2.000 INCHES NOMINAL IN, aperture_width: 1.000 INCHES NOMINAL IN, overall_length: 3.000 INCHES NOMINAL IN, aperture_length: 2.000 INCHES NOMINAL IN, hardness_rating: 80.0 SHORE DUROMETER A NOMINAL OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-609-3275, 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
1591487
NSN: 5330-00-609-3275
NIINs: 006093275, 006916345
FSC: 5330 — Packing and Gasket Materials
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
overall_width2.000 INCHES NOMINAL IN
aperture_width1.000 INCHES NOMINAL IN
overall_length3.000 INCHES NOMINAL IN
aperture_length2.000 INCHES NOMINAL IN
hardness_rating80.0 SHORE DUROMETER A NOMINAL OVERALL
center_hole_diameter4.972 INCHES MINIMUM AND 5.002 INCHES MAXIMUM IN
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
cross-sectional_thickness0.035 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
outside_edge_to_bolt_hole_center_distance_along_width0.187 INCHES NOMINAL IN
outside_edge_to_bolt_hole_center_distance_along_length0.187 INCHES NOMINAL IN
NSN5330-00-609-3275
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1591487 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: 0.035 INCHES NOMINAL IN
•
HARDNESS RATING: 80.0 SHORE DUROMETER A NOMINAL OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE WIDTH: 1.000 INCHES NOMINAL IN
•
APERTURE LENGTH: 2.000 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH: 0.687 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.035 INCHES NOMINAL IN
HARDNESS RATING80.0 SHORE DUROMETER A NOMINAL OVERALL
OVERALL LENGTH3.000 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH2.000 INCHES NOMINAL IN
APERTURE WIDTH1.000 INCHES NOMINAL IN
APERTURE LENGTH2.000 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH0.687 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH0.812 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH0.187 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
BUWEPSDWG1591487Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1591487?
1591487 is a O-RING.
What parts can replace 1591487?
There is 1 known substitute for 1591487: BUWEPSDWG1591487. Substitute compatibility should be verified for your specific system.
What is the NSN for 1591487?
1591487 is cataloged in the U.S. Government catalog under NSN 5330-00-609-3275. 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.