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39761 PART 51871 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

39761 PART 51871: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include outside_diameter: 6.625 INCHES NOMINAL IN, aperture_diameter: 3.562 INCHES NOMINAL IN, cross-sectional_thickness: 0.062 INCHES NOMINAL IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION, gasket_center_to_flat_distance: 3.250 INCHES NOMINAL IN, gasket_center_to_second_flat_distance: 3.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-040-8908, 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
39761 PART 51871
NSN: 5330-01-040-8908
FSC: 5330 — Packing and Gasket Materials
CAGE: 48422 — WILLIAM POWELL COMPANY, THE DBA POWELL VALVE DIV THE STARFLO CORPORATION (USA)
SPECIFICATIONS
outside_diameter6.625 INCHES NOMINAL IN
aperture_diameter3.562 INCHES NOMINAL IN
cross-sectional_thickness0.062 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
gasket_center_to_flat_distance3.250 INCHES NOMINAL IN
gasket_center_to_second_flat_distance3.250 INCHES NOMINAL IN
NSN5330-01-040-8908
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 39761 PART 51871 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
•
GASKET CENTER TO FLAT DISTANCE: 3.250 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 6.625 INCHES NOMINAL IN
•
APERTURE DIAMETER: 3.562 INCHES NOMINAL IN
•
GASKET CENTER TO SECOND FLAT DISTANCE: 3.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.062 INCHES NOMINAL IN
GASKET CENTER TO FLAT DISTANCE3.250 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER6.625 INCHES NOMINAL IN
APERTURE DIAMETER3.562 INCHES NOMINAL IN
GASKET CENTER TO SECOND FLAT DISTANCE3.250 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
51871Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 39761 PART 51871?
39761 PART 51871 is a GASKET.
What parts can replace 39761 PART 51871?
There is 1 known substitute for 39761 PART 51871: 51871. Substitute compatibility should be verified for your specific system.
What is the NSN for 39761 PART 51871?
39761 PART 51871 is cataloged in the U.S. Government catalog under NSN 5330-01-040-8908. This indicates validated use in U.S. government and defense supply chains.
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