PartsTable
Technical Data Sheet
MS 51001-12-3 ✓ 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: SQUARE, seal_width: 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN, housing_bore_diameter: 1.374 INCHES MINIMUM AND 1.376 INCHES MAXIMUM IN, sealing_element_style: ANGULAR, accommodated_shaft_diameter: 0.937 INCHES NOMINAL 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 5330-00-781-4525, 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
MS 51001-12-3
NSN: 5330-00-781-4525
FSC: 5330
CAGE: 0291H — ROSOMAK S.A (POL)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT
case_styleSQUARE
seal_width0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
housing_bore_diameter1.374 INCHES MINIMUM AND 1.376 INCHES MAXIMUM IN
sealing_element_styleANGULAR
accommodated_shaft_diameter0.937 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed3500 FEET PER MINUTE FT
NSN5330-00-781-4525
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS 51001-12-3 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
SEALING ELEMENT STYLE: ANGULAR
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 3500 FEET PER MINUTE FT
HOUSING BORE DIAMETER: 1.374 INCHES MINIMUM AND 1.376 INCHES MAXIMUM IN
SEAL WIDTH: 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
CASE STYLE: SQUARE
ACCOMMODATED SHAFT DIAMETER: 0.937 INCHES NOMINAL IN
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT
TECHNICAL CHARACTERISTICS (FLIS)
SEALING ELEMENT STYLEANGULAR
ACCOMMODATED SHAFT MAXIMUM RATED SPEED3500 FEET PER MINUTE FT
HOUSING BORE DIAMETER1.374 INCHES MINIMUM AND 1.376 INCHES MAXIMUM IN
SEAL WIDTH0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER0.937 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
MATERIALSTEEL CASE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
AA52524/13-27-3Interchangeable
interchangeable cross-reference
interchangeable
A-A-52524/13Interchangeable
interchangeable cross-reference
interchangeable
MS51001-27-3Interchangeable
interchangeable cross-reference
interchangeable
AA52524/13-1-3Interchangeable
interchangeable cross-reference
interchangeable
AA52524-13-1-3Interchangeable
interchangeable cross-reference
interchangeable
MS51001-11-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS 51001-12-3?
MS 51001-12-3 is a SEAL,PLAIN ENCASED.
What parts can replace MS 51001-12-3?
There are 24 known substitutes for MS 51001-12-3: AA52524/13-27-3, A-A-52524/13, MS51001-27-3 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS 51001-12-3?
MS 51001-12-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-781-4525. This indicates validated use in U.S. government and defense supply chains.
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