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8690655 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8690655: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include hole_diameter: 0.138 INCHES NOMINAL ALL HOLES IN, overall_width: 1.74 INCHES NOMINAL IN, overall_height: 0.063 INCHES NOMINAL IN, overall_length: 1.709 INCHES MINIMUM AND 1.769 INCHES MAXIMUM IN, special_features: MATT PORON URETHANE FOAM; BAG/TAG W/ 53711-86090655A A, style_designator: SQUARE. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-690-8323, 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
8690655
NSN: 5330-01-690-8323
FSC: 5330 — Packing and Gasket Materials
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
hole_diameter0.138 INCHES NOMINAL ALL HOLES IN
overall_width1.74 INCHES NOMINAL IN
overall_height0.063 INCHES NOMINAL IN
overall_length1.709 INCHES MINIMUM AND 1.769 INCHES MAXIMUM IN
special_featuresMATT PORON URETHANE FOAM; BAG/TAG W/ 53711-86090655A A
style_designatorSQUARE
bolt_hole_quantity4
end_item_identificationAIR PARTICLE
part_name_assigned_by_controlling_agencyGASKET, FAN
center_to_center_distance_between_bolt_holes_along_width1.26 INCHES NOMINAL ALL HOLES IN
center_to_center_distance_between_bolt_holes_along_length1.26 INCHES NOMINAL ALL HOLES IN
NSN5330-01-690-8323
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8690655 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: SQUARE
•
BOLT HOLE QUANTITY: 4
•
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH: 1.26 INCHES NOMINAL ALL HOLES IN
•
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH: 1.26 INCHES NOMINAL ALL HOLES IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.063 INCHES NOMINAL IN
STYLE DESIGNATORSQUARE
OVERALL LENGTH1.709 INCHES MINIMUM AND 1.769 INCHES MAXIMUM IN
OVERALL WIDTH1.74 INCHES NOMINAL IN
BOLT HOLE QUANTITY4
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH1.26 INCHES NOMINAL ALL HOLES IN
SPECIAL FEATURESMATT PORON URETHANE FOAM; BAG/TAG W/ 53711-86090655A A
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH1.26 INCHES NOMINAL ALL HOLES IN
PART NAME ASSIGNED BY CONTROLLING AGENCYGASKET, FAN
END ITEM IDENTIFICATIONAIR PARTICLE
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
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FREQUENTLY ASKED QUESTIONS
What is 8690655?
8690655 is a GASKET.
What is the NSN for 8690655?
8690655 is cataloged in the U.S. Government catalog under NSN 5330-01-690-8323. 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.