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9997078 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

9997078: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER CHLOROPRENE CLASS CR OVERALL, hole_diameter: 0.408 INCHES MINIMUM AND 0.419 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 3.940 INCHES NOMINAL IN, aperture_width: 3.180 INCHES NOMINAL IN, overall_length: 6.000 INCHES NOMINAL IN, aperture_length: 4.060 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-985-3206, 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
9997078
NSN: 5330-00-985-3206
FSC: 5330 — Packing and Gasket Materials
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR OVERALL
hole_diameter0.408 INCHES MINIMUM AND 0.419 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
overall_width3.940 INCHES NOMINAL IN
aperture_width3.180 INCHES NOMINAL IN
overall_length6.000 INCHES NOMINAL IN
aperture_length4.060 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
bolt_hole_quantity4
outside_corner_radius0.440 INCHES NOMINAL IN
cross-sectional_thickness0.065 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-STD-670,GR SC07 MIL STD SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-985-3206
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 9997078 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: 0.065 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-STD-670,GR SC07 MIL STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE WIDTH: 3.180 INCHES NOMINAL IN
•
APERTURE LENGTH: 4.060 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.065 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-STD-670,GR SC07 MIL STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH6.000 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH3.940 INCHES NOMINAL IN
APERTURE WIDTH3.180 INCHES NOMINAL IN
APERTURE LENGTH4.060 INCHES NOMINAL IN
BOLT HOLE QUANTITY4
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH5.190 INCHES NOMINAL 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9997078?
9997078 is a GASKET.
What is the NSN for 9997078?
9997078 is cataloged in the U.S. Government catalog under NSN 5330-00-985-3206. 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.