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66167-J-987 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

66167-J-987: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: GRAPHITE OVERALL, hole_diameter: 0.750 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, style_designator: CIRCULAR, bolt_circle_diameter: 5.500 INCHES NOMINAL IN, end_item_identification: VALVE,ANGLE SIZE 2.50 IN IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-549-7062, 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
66167-J-987
NSN: 5330-01-549-7062
FSC: 5330 — Packing and Gasket Materials
CAGE: 76364 — MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC (USA)
SPECIFICATIONS
materialGRAPHITE OVERALL
hole_diameter0.750 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
style_designatorCIRCULAR
bolt_hole_quantity4
bolt_circle_diameter5.500 INCHES NOMINAL IN
end_item_identificationVALVE,ANGLE SIZE 2.50 IN IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-01-549-7062
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 66167-J-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
KEY FEATURES
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
BOLT HOLE QUANTITY: 4
•
BOLT CIRCLE DIAMETER: 5.500 INCHES NOMINAL IN
•
MATERIAL: GRAPHITE OVERALL
•
HOLE DIAMETER: 0.750 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
BOLT HOLE QUANTITY4
BOLT CIRCLE DIAMETER5.500 INCHES NOMINAL IN
END ITEM IDENTIFICATIONVALVE,ANGLE SIZE 2.50 IN IN
MATERIALGRAPHITE OVERALL
HOLE DIAMETER0.750 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
SUBSTITUTES & CROSS-REFERENCES 2
1064NReference document
Same NSN cross-reference
Reference document — Drawing number reference only
1064N 2.50IN NO. 14Reference 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 66167-J-987?
66167-J-987 is a GASKET.
What parts can replace 66167-J-987?
There are 2 known substitutes for 66167-J-987: 1064N, 1064N 2.50IN NO. 14. Substitute compatibility should be verified for your specific system.
What is the NSN for 66167-J-987?
66167-J-987 is cataloged in the U.S. Government catalog under NSN 5330-01-549-7062. 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.