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66160-N-987 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

66160-N-987: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR AND GRAPHITE OVERALL, hole_diameter: 0.688 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, aperture_width: 2.875 INCHES NOMINAL IN, aperture_length: 5.750 INCHES NOMINAL IN, style_designator: OVAL, bearing_surface_width: 3.312 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-502-4941, 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
66160-N-987
NSN: 5330-01-502-4941
NIINs: 015024941, 015491444
FSC: 5330 — Packing and Gasket Materials
CAGE: 76364 — MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR AND GRAPHITE OVERALL
hole_diameter0.688 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
aperture_width2.875 INCHES NOMINAL IN
aperture_length5.750 INCHES NOMINAL IN
style_designatorOVAL
bolt_hole_quantity6
bearing_surface_width3.312 INCHES NOMINAL IN
end_item_identification4 INCH BRONZE FLANGED GATE VALVE IN
cross-sectional_thickness0.062 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
part_name_assigned_by_controlling_agencyBONNET GASKET
NSN5330-01-502-4941
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 66160-N-987 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
SUBSTITUTES & CROSS-REFERENCES 1
1315-063F 10IN ITEM 14Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 66160-N-987?
66160-N-987 is a GASKET.
What parts can replace 66160-N-987?
There is 1 known substitute for 66160-N-987: 1315-063F 10IN ITEM 14. Substitute compatibility should be verified for your specific system.
What is the NSN for 66160-N-987?
66160-N-987 is cataloged in the U.S. Government catalog under NSN 5330-01-502-4941. 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.