PartsTable
Technical Data Sheet
Download PDF

6425539 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6425539: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include hole_diameter: 0.188 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, outside_diameter: 2.438 INCHES NOMINAL IN, aperture_diameter: 1.375 INCHES NOMINAL IN, fsc_application_data: HYDRAULIC CONTROL PUMP,ACFT ENGINE, cross-sectional_thickness: 0.031 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-628-5105, 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
6425539
NSN: 5330-00-628-5105
FSC: 5330 — Packing and Gasket Materials
CAGE: 05ZJ1 — INTEGRATED PROCUREMENT TECHNOLOGIES (USA)
SPECIFICATIONS
hole_diameter0.188 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
outside_diameter2.438 INCHES NOMINAL IN
aperture_diameter1.375 INCHES NOMINAL IN
fsc_application_dataHYDRAULIC CONTROL PUMP,ACFT ENGINE
cross-sectional_thickness0.031 INCHES NOMINAL IN
NSN5330-00-628-5105
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6425539 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
•
FSC APPLICATION DATA: HYDRAULIC CONTROL PUMP,ACFT ENGINE
•
CROSS-SECTIONAL THICKNESS: 0.031 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 2.438 INCHES NOMINAL IN
•
APERTURE DIAMETER: 1.375 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.188 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAHYDRAULIC CONTROL PUMP,ACFT ENGINE
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
OUTSIDE DIAMETER2.438 INCHES NOMINAL IN
APERTURE DIAMETER1.375 INCHES NOMINAL IN
HOLE DIAMETER0.188 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 1
642539Same 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
Ready to buy 6425539?
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 6425539?
6425539 is a GASKET.
What parts can replace 6425539?
There is 1 known substitute for 6425539: 642539. Substitute compatibility should be verified for your specific system.
What is the NSN for 6425539?
6425539 is cataloged in the U.S. Government catalog under NSN 5330-00-628-5105. 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 — 6425539

✓ 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.