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Technical Data Sheet
PartsTable / COMPONENT / 51B54854
51B54854 ✓ 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 LEG,CASE is a the manufacturer industrial component. Key specifications include casters: NOT INCLUDED, material: STEEL LEG, overall_width: 10.375 INCHES NOMINAL IN, overall_length: 48.000 INCHES NOMINAL IN, overall_diameter: 2.375 INCHES NOMINAL IN, fsc_application_data: RADAR EQUIP.,EXCEPT AIRBORNE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-015-9138, 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
51B54854
NSN: 5340-00-015-9138
FSC: 5340
CAGE: 07877 — ROME AIR DEVELOPMENT CENTER (USA)
SPECIFICATIONS
castersNOT INCLUDED
materialSTEEL LEG
overall_width10.375 INCHES NOMINAL IN
overall_length48.000 INCHES NOMINAL IN
overall_diameter2.375 INCHES NOMINAL IN
fsc_application_dataRADAR EQUIP.,EXCEPT AIRBORNE
NSN5340-00-015-9138
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 51B54854 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
•
OVERALL DIAMETER: 2.375 INCHES NOMINAL IN
•
MATERIAL: STEEL LOCATION NOT OTHERWISE SPECIFIED
•
FSC APPLICATION DATA: RADAR EQUIP.,EXCEPT AIRBORNE
•
CASTERS: NOT INCLUDED
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER2.375 INCHES NOMINAL IN
MATERIALSTEEL LOCATION NOT OTHERWISE SPECIFIED
FSC APPLICATION DATARADAR EQUIP.,EXCEPT AIRBORNE
MATERIALSTEEL LEG
OVERALL WIDTH10.375 INCHES NOMINAL IN
CASTERSNOT INCLUDED
OVERALL LENGTH48.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
B1530B-3/8-11Upgraded Successor
successor cross-reference
successor
NAS1830Upgraded Successor
successor cross-reference
successor
B1530-3-8-11Upgraded Successor
successor cross-reference
successor
422-1Interchangeable
interchangeable cross-reference
interchangeable
S-1152389Interchangeable
interchangeable cross-reference
interchangeable
1152389Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 51B54854?
51B54854 is a LEG,CASE.
What parts can replace 51B54854?
There are 17 known substitutes for 51B54854: B1530B-3/8-11, NAS1830, B1530-3-8-11 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 51B54854?
51B54854 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-015-9138. 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