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PartsTable / COMPONENT / 50541-51
50541-51 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC SEALING ELEMENT, case_style: RECESSED, seal_width: 0.250 INCHES NOMINAL IN, surface_treatment: PLASTIC CASE, housing_bore_diameter: 1.750 INCHES NOMINAL IN, sealing_element_style: ANGULAR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-923-4736, 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
50541-51
NSN: 5330-00-923-4736
FSC: 5330
CAGE: 01212 — FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT
case_styleRECESSED
seal_width0.250 INCHES NOMINAL IN
surface_treatmentPLASTIC CASE
housing_bore_diameter1.750 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter0.750 INCHES NOMINAL IN
NSN5330-00-923-4736
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 50541-51 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
•
CASE STYLE: RECESSED
•
SEAL WIDTH: 0.250 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR
•
ACCOMMODATED SHAFT DIAMETER: 0.750 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 1.750 INCHES NOMINAL IN
•
SURFACE TREATMENT: PLASTIC CASE
•
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT
TECHNICAL CHARACTERISTICS (FLIS)
CASE STYLERECESSED
SEAL WIDTH0.250 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
ACCOMMODATED SHAFT DIAMETER0.750 INCHES NOMINAL IN
HOUSING BORE DIAMETER1.750 INCHES NOMINAL IN
SURFACE TREATMENTPLASTIC CASE
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
MATERIALSTEEL CASE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
310Interchangeable
interchangeable cross-reference
interchangeable
2442263-1Interchangeable
interchangeable cross-reference
interchangeable
LM310NInterchangeable
interchangeable cross-reference
interchangeable
ASTM-D5118Interchangeable
interchangeable cross-reference
interchangeable
PPP-B-636Interchangeable
interchangeable cross-reference
interchangeable
0997Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 50541-51?
50541-51 is a SEAL,PLAIN ENCASED.
What parts can replace 50541-51?
There are 9 known substitutes for 50541-51: 310, 2442263-1, LM310N and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 50541-51?
50541-51 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-923-4736. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026