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Technical Data Sheet
PartsTable / COMPONENT / 51238N
51238N ✓ 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 is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, special_features: SIZE 27;HARDNESS CONTROLLED-NON-NUCLEAR, surface_treatment: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, end_item_identification: GRAYLOC CONNECTOR FOR 3 INCH PIPE IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-245-3836, 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
51238N
NSN: 5330-01-245-3836
FSC: 5330
CAGE: 9K737 — OCEANEERING INTERNATIONAL INC DIV ADTECH CORPORATE (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
special_featuresSIZE 27;HARDNESS CONTROLLED-NON-NUCLEAR
surface_treatmentPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
end_item_identificationGRAYLOC CONNECTOR FOR 3 INCH PIPE IN
NSN5330-01-245-3836
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 51238N 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
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
TECHNICAL CHARACTERISTICS (FLIS)
CRITICALITY CODE JUSTIFICATIONZZZY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
3181065Interchangeable
interchangeable cross-reference
interchangeable
3181065L1Interchangeable
interchangeable cross-reference
interchangeable
51238L1Interchangeable
interchangeable cross-reference
interchangeable
51238NInterchangeable
interchangeable cross-reference
interchangeable
0051238Interchangeable
interchangeable cross-reference
interchangeable
5829261 ITEM 17L1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 51238N?
51238N is a SEAL,PLAIN.
What parts can replace 51238N?
There are 8 known substitutes for 51238N: 3181065, 3181065L1, 51238L1 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 51238N?
51238N is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-245-3836. 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