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66172-K-987 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

66172-K-987: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: FIBER NONASBESTOS OVERALL, hole_diameter: 0.563 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, outside_diameter: 6.063 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 3.375 INCHES NOMINAL IN, bolt_circle_diameter: 5.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-481-2074, 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
66172-K-987
NSN: 5330-01-481-2074
FSC: 5330 — Packing and Gasket Materials
CAGE: 76364 — MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC (USA)
SPECIFICATIONS
materialFIBER NONASBESTOS OVERALL
hole_diameter0.563 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
outside_diameter6.063 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter3.375 INCHES NOMINAL IN
bolt_hole_quantity6
bolt_circle_diameter5.000 INCHES NOMINAL IN
end_item_identificationVALVE 2 1/2IN,BRONZE,FLANGED GLOBE Y PATTERN 250 PSI WOG IN
cross-sectional_thickness0.062 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationSTR 508 MFR REF SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyBONNET GASKET
NSN5330-01-481-2074
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 66172-K-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
•
CROSS-SECTIONAL THICKNESS: 0.062 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: STR 508 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 6.063 INCHES NOMINAL IN
•
APERTURE DIAMETER: 3.375 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 6
•
BOLT CIRCLE DIAMETER: 5.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.062 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONSTR 508 MFR REF SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER6.063 INCHES NOMINAL IN
APERTURE DIAMETER3.375 INCHES NOMINAL IN
BOLT HOLE QUANTITY6
BOLT CIRCLE DIAMETER5.000 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYBONNET GASKET
END ITEM IDENTIFICATIONVALVE 2 1/2IN,BRONZE,FLANGED GLOBE Y PATTERN 250 PSI WOG IN
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 4
1030-038K 2-1/2IN ITEM 6Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
803-1385623-024X-98Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
1030-040K ITEM 4Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
1030-040K-2.50IReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 66172-K-987?
66172-K-987 is a GASKET.
What parts can replace 66172-K-987?
There are 4 known substitutes for 66172-K-987: 1030-038K 2-1/2IN ITEM 6, 803-1385623-024X-98, 1030-040K ITEM 4 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 66172-K-987?
66172-K-987 is cataloged in the U.S. Government catalog under NSN 5330-01-481-2074. This indicates validated use in U.S. government and defense supply chains.
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