PartsTable
Technical Data Sheet
Download PDF

073-0YN-003-388 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

073-0YN-003-388: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: FIBER NONASBESTOS OVERALL, outside_diameter: 4.875 INCHES NOMINAL IN, aperture_diameter: 4.125 INCHES NOMINAL IN, cross-sectional_thickness: 0.063 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-423-0788, 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
073-0YN-003-388
NSN: 5330-01-423-0788
FSC: 5330 — Packing and Gasket Materials
CAGE: 10941 — CARVER PUMP COMPANY (USA)
SPECIFICATIONS
materialFIBER NONASBESTOS OVERALL
outside_diameter4.875 INCHES NOMINAL IN
aperture_diameter4.125 INCHES NOMINAL IN
cross-sectional_thickness0.063 INCHES NOMINAL IN
NSN5330-01-423-0788
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 073-0YN-003-388 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
•
OUTSIDE DIAMETER: 4.875 INCHES NOMINAL IN
•
APERTURE DIAMETER: 4.125 INCHES NOMINAL IN
•
MATERIAL: FIBER NONASBESTOS OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.063 INCHES NOMINAL IN
OUTSIDE DIAMETER4.875 INCHES NOMINAL IN
APERTURE DIAMETER4.125 INCHES NOMINAL IN
MATERIALFIBER NONASBESTOS OVERALL
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 2
A-073-OYN-0-03-388Reference document
Same NSN cross-reference
Reference document — Secondary reference
N-999-89YC-A-001 ITEM NO.16Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 073-0YN-003-388?
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 073-0YN-003-388?
073-0YN-003-388 is a GASKET.
What parts can replace 073-0YN-003-388?
There are 2 known substitutes for 073-0YN-003-388: A-073-OYN-0-03-388, N-999-89YC-A-001 ITEM NO.16. Substitute compatibility should be verified for your specific system.
What is the NSN for 073-0YN-003-388?
073-0YN-003-388 is cataloged in the U.S. Government catalog under NSN 5330-01-423-0788. 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 — 073-0YN-003-388

✓ 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.