PartsTable
Technical Data Sheet
Download PDF

68A550687 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

68A550687: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include hole_diameter: 0.213 INCHES MINIMUM AND 0.219 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN, aperture_width: 5.470 INCHES MINIMUM AND 5.490 INCHES MAXIMUM IN, aperture_length: 7.890 INCHES MINIMUM AND 7.910 INCHES MAXIMUM IN, style_designator: OVAL, bolt_hole_quantity: 18, bearing_surface_width: 0.890 INCHES MINIMUM AND 0.910 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-439-8142, 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
68A550687
NSN: 5330-01-439-8142
FSC: 5330 — Packing and Gasket Materials
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
hole_diameter0.213 INCHES MINIMUM AND 0.219 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
aperture_width5.470 INCHES MINIMUM AND 5.490 INCHES MAXIMUM IN
aperture_length7.890 INCHES MINIMUM AND 7.910 INCHES MAXIMUM IN
style_designatorOVAL
bolt_hole_quantity18
bearing_surface_width0.890 INCHES MINIMUM AND 0.910 INCHES MAXIMUM IN
end_item_identificationP/N 68A550656;F15A ACFT
cross-sectional_thickness0.063 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
part_name_assigned_by_controlling_agencyGASKET-COVER ACCESS
NSN5330-01-439-8142
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 68A550687 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: 0.063 INCHES NOMINAL IN
•
STYLE DESIGNATOR: OVAL
•
BEARING SURFACE WIDTH: 0.890 INCHES MINIMUM AND 0.910 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE WIDTH: 5.470 INCHES MINIMUM AND 5.490 INCHES MAXIMUM IN
•
APERTURE LENGTH: 7.890 INCHES MINIMUM AND 7.910 INCHES MAXIMUM IN
•
BOLT HOLE QUANTITY: 18
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.063 INCHES NOMINAL IN
STYLE DESIGNATOROVAL
BEARING SURFACE WIDTH0.890 INCHES MINIMUM AND 0.910 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
APERTURE WIDTH5.470 INCHES MINIMUM AND 5.490 INCHES MAXIMUM IN
APERTURE LENGTH7.890 INCHES MINIMUM AND 7.910 INCHES MAXIMUM IN
BOLT HOLE QUANTITY18
PART NAME ASSIGNED BY CONTROLLING AGENCYGASKET-COVER ACCESS
END ITEM IDENTIFICATIONP/N 68A550656;F15A ACFT
HOLE DIAMETER0.213 INCHES MINIMUM AND 0.219 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 68A550687?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 68A550687?
68A550687 is a GASKET.
What is the NSN for 68A550687?
68A550687 is cataloged in the U.S. Government catalog under NSN 5330-01-439-8142. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 68A550687

✓ 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.