PartsTable
Technical Data Sheet
Download PDF

458-50018-2 — SEAL,PLAIN

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

458-50018-2: SEAL,PLAIN.

The SEAL,PLAIN is a the manufacturer industrial component. Key specifications include seal_width: 0.500 INCHES NOMINAL IN, housing_bore_diameter: 4.780 INCHES NOMINAL IN, accommodated_shaft_diameter: 4.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-146-2155, 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
458-50018-2
NSN: 5330-01-146-2155
FSC: 5330 — Packing and Gasket Materials
CAGE: 70628 — ARROWHEAD PRODUCTS CORP (USA)
SPECIFICATIONS
seal_width0.500 INCHES NOMINAL IN
housing_bore_diameter4.780 INCHES NOMINAL IN
accommodated_shaft_diameter4.000 INCHES NOMINAL IN
NSN5330-01-146-2155
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 458-50018-2 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
•
SEAL WIDTH: 0.500 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 4.780 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT DIAMETER: 4.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.500 INCHES NOMINAL IN
HOUSING BORE DIAMETER4.780 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER4.000 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
460-400Reference document
Same NSN cross-reference
Reference document — Secondary reference
NSA8054-64-08Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy 458-50018-2?
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 458-50018-2?
458-50018-2 is a SEAL,PLAIN.
What parts can replace 458-50018-2?
There are 2 known substitutes for 458-50018-2: 460-400, NSA8054-64-08. Substitute compatibility should be verified for your specific system.
What is the NSN for 458-50018-2?
458-50018-2 is cataloged in the U.S. Government catalog under NSN 5330-01-146-2155. 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 — 458-50018-2

✓ 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.