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4958933-503 — SEAL,PLAIN

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4958933-503: SEAL,PLAIN.

The SEAL,PLAIN is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC SEALING ELEMENT, seal_width: 0.812 INCHES NOMINAL IN, construction: SOLID, special_features: ACCORDIAN SHAPED CROSS-SECTIONAL STYLE.COMPRESSED WIDTH 0.562, housing_bore_diameter: 1.875 INCHES NOMINAL IN, accommodated_shaft_diameter: 1.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-051-0097, 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
4958933-503
NSN: 5330-01-051-0097
FSC: 5330 — Packing and Gasket Materials
CAGE: 24664 — JONAL LABORATORIES INC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT
seal_width0.812 INCHES NOMINAL IN
constructionSOLID
special_featuresACCORDIAN SHAPED CROSS-SECTIONAL STYLE.COMPRESSED WIDTH 0.562
housing_bore_diameter1.875 INCHES NOMINAL IN
accommodated_shaft_diameter1.125 INCHES NOMINAL IN
NSN5330-01-051-0097
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4958933-503 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: 0.812 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 1.875 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT DIAMETER: 1.125 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT
•
CONSTRUCTION: SOLID
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.812 INCHES NOMINAL IN
HOUSING BORE DIAMETER1.875 INCHES NOMINAL IN
SPECIAL FEATURESACCORDIAN SHAPED CROSS-SECTIONAL STYLE.COMPRESSED WIDTH 0.562
ACCOMMODATED SHAFT DIAMETER1.125 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
CONSTRUCTIONSOLID
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 4958933-503?
4958933-503 is a SEAL,PLAIN.
What is the NSN for 4958933-503?
4958933-503 is cataloged in the U.S. Government catalog under NSN 5330-01-051-0097. 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.