PartsTable
Technical Data Sheet
Download PDF

142D6389 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

142D6389: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include hole_diameter: 0.215 INCHES MINIMUM AND 0.235 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 3.969 INCHES MINIMUM AND 4.031 INCHES MAXIMUM IN, aperture_width: 2.469 INCHES MINIMUM AND 2.531 INCHES MAXIMUM IN, overall_length: 5.969 INCHES MINIMUM AND 6.031 INCHES MAXIMUM IN, aperture_length: 4.469 INCHES MINIMUM AND 4.531 INCHES MAXIMUM IN, special_features: MATERIAL CHO-SEAL 1250,SUPPLIED BY CHOMERICS CAGE 18565,CROSS SECTIONDIMENSION 0.062 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-272-0396, 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
142D6389
NSN: 5330-01-272-0396
FSC: 5330 — Packing and Gasket Materials
CAGE: 05606 — GENERAL DYNAMICS-OTS, INC. DIV ORDNANCE AND TACTICAL SYSTEMS (USA)
SPECIFICATIONS
hole_diameter0.215 INCHES MINIMUM AND 0.235 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
overall_width3.969 INCHES MINIMUM AND 4.031 INCHES MAXIMUM IN
aperture_width2.469 INCHES MINIMUM AND 2.531 INCHES MAXIMUM IN
overall_length5.969 INCHES MINIMUM AND 6.031 INCHES MAXIMUM IN
aperture_length4.469 INCHES MINIMUM AND 4.531 INCHES MAXIMUM IN
special_featuresMATERIAL CHO-SEAL 1250,SUPPLIED BY CHOMERICS CAGE 18565,CROSS SECTIONDIMENSION 0.062 INCHES IN
style_designatorNON-CIRCULAR
bolt_hole_quantity6
NSN5330-01-272-0396
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 142D6389 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: NON-CIRCULAR
•
APERTURE WIDTH: 2.469 INCHES MINIMUM AND 2.531 INCHES MAXIMUM IN
•
APERTURE LENGTH: 4.469 INCHES MINIMUM AND 4.531 INCHES MAXIMUM IN
•
BOLT HOLE QUANTITY: 6
•
HOLE DIAMETER: 0.215 INCHES MINIMUM AND 0.235 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORNON-CIRCULAR
OVERALL LENGTH5.969 INCHES MINIMUM AND 6.031 INCHES MAXIMUM IN
OVERALL WIDTH3.969 INCHES MINIMUM AND 4.031 INCHES MAXIMUM IN
APERTURE WIDTH2.469 INCHES MINIMUM AND 2.531 INCHES MAXIMUM IN
APERTURE LENGTH4.469 INCHES MINIMUM AND 4.531 INCHES MAXIMUM IN
BOLT HOLE QUANTITY6
SPECIAL FEATURESMATERIAL CHO-SEAL 1250,SUPPLIED BY CHOMERICS CAGE 18565,CROSS SECTIONDIMENSION 0.062 INCHES IN
HOLE DIAMETER0.215 INCHES MINIMUM AND 0.235 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
No demilitarization required
Ready to buy 142D6389?
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 142D6389?
142D6389 is a GASKET.
What is the NSN for 142D6389?
142D6389 is cataloged in the U.S. Government catalog under NSN 5330-01-272-0396. 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 — 142D6389

✓ 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.