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PartsTable / COMPONENT / MS51938-6
MS51938-6 ✓ 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,ANTIPILFERAGE is a the manufacturer industrial component. Key specifications include shape: CIRCULAR, diameter: 0.500 INCHES NOMINAL IN, material: LEAD ALLOY, thickness: 0.125 INCHES NOMINAL IN, wire_length: 24.000 INCHES NOMINAL IN, features_provided: WIRE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-902-0426, 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
MS51938-6
NSN: 5340-00-902-0426
FSC: 5340
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
shapeCIRCULAR
diameter0.500 INCHES NOMINAL IN
materialLEAD ALLOY
thickness0.125 INCHES NOMINAL IN
wire_length24.000 INCHES NOMINAL IN
hole_quantity2
strand_quantity4
features_providedWIRE
awg_size_designation27
NSN5340-00-902-0426
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS51938-6 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
•
MATERIAL: LEAD ALLOY
•
WIRE LENGTH: 24.000 INCHES NOMINAL IN
•
HOLE QUANTITY: 2
•
STRAND QUANTITY: 4
•
AWG SIZE DESIGNATION: 27
•
SHAPE: CIRCULAR
•
FEATURES PROVIDED: WIRE
•
DIAMETER: 0.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALLEAD ALLOY
WIRE LENGTH24.000 INCHES NOMINAL IN
HOLE QUANTITY2
STRAND QUANTITY4
AWG SIZE DESIGNATION27
SHAPECIRCULAR
FEATURES PROVIDEDWIRE
DIAMETER0.500 INCHES NOMINAL IN
THICKNESS0.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
32101B00Interchangeable
interchangeable cross-reference
interchangeable
F2738-CO9-1,3-1,2-06Interchangeable
interchangeable cross-reference
interchangeable
GLOBE SEALInterchangeable
interchangeable cross-reference
interchangeable
CXBBLA14LSRInterchangeable
interchangeable cross-reference
interchangeable
XBORDER14Interchangeable
interchangeable cross-reference
interchangeable
8901400 MODEL AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS51938-6?
MS51938-6 is a SEAL,ANTIPILFERAGE.
What parts can replace MS51938-6?
There are 23 known substitutes for MS51938-6: 32101B00, F2738-CO9-1,3-1,2-06, GLOBE SEAL and 20 more. Substitute compatibility should be verified for your specific system.
Is MS51938-6 still available?
MS51938-6 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026