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1986B — FIXTURE ASSEMBLY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1986B: FIXTURE ASSEMBLY.

The FIXTURE ASSEMBLY is a the manufacturer industrial component. Key specifications include attachment_method: ROUND HOLE, center_hole_diameter: 0.883 INCHES MINIMUM AND 0.888 INCHES MAXIMUM IN, cross-sectional_height: 0.625 INCHES NOMINAL IN, attachment_hole_diameter: 0.438 INCHES NOMINAL IN, flanged_body_outside_diameter: 1.111 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-135-4719, 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
1986B
NSN: 5330-00-135-4719
NIINs: 001354719, 001473879, 011146552
FSC: 5330 — Packing and Gasket Materials
CAGE: K8098 — MAN DIESEL & TURBO LTD (GBR)
SPECIFICATIONS
attachment_methodROUND HOLE
center_hole_diameter0.883 INCHES MINIMUM AND 0.888 INCHES MAXIMUM IN
cross-sectional_height0.625 INCHES NOMINAL IN
attachment_hole_diameter0.438 INCHES NOMINAL IN
attachment_feature_quantity2
flanged_body_outside_diameter1.111 INCHES NOMINAL IN
NSN5330-00-135-4719
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1986B 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: 0.078 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 3.438 INCHES NOMINAL IN
•
APERTURE DIAMETER: 2.625 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.078 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER3.438 INCHES NOMINAL IN
APERTURE DIAMETER2.625 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
RPH1986BSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 1986B?
1986B is a FIXTURE ASSEMBLY.
What parts can replace 1986B?
There is 1 known substitute for 1986B: RPH1986B. Substitute compatibility should be verified for your specific system.
What is the NSN for 1986B?
1986B is cataloged in the U.S. Government catalog under NSN 5330-00-135-4719. This indicates validated use in U.S. government and defense supply chains.
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