PartsTable
Technical Data Sheet
M44-51 ✓ 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 GASKET is a the manufacturer industrial component. Key specifications include material: LEATHER CATTLEHIDE OVERALL, outside_diameter: 0.255 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN, style_designator: CIRCULAR, aperture_diameter: 0.145 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN, cross-sectional_thickness: 0.141 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-238-7951, 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
M44-51
NSN: 5330-00-238-7951
FSC: 5330
CAGE: 91340 — MET-PRO CORPORATION (USA)
SPECIFICATIONS
materialLEATHER CATTLEHIDE OVERALL
outside_diameter0.255 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
style_designatorCIRCULAR
aperture_diameter0.145 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN
cross-sectional_thickness0.141 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationKK-L-164 TANNAGE 3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-238-7951
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M44-51 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
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
STYLE DESIGNATOR: CIRCULAR
APERTURE DIAMETER: 0.145 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION: KK-L-164 TANNAGE 3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER: 0.255 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
MATERIAL: LEATHER CATTLEHIDE OVERALL
CROSS-SECTIONAL THICKNESS: 0.141 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
STYLE DESIGNATORCIRCULAR
APERTURE DIAMETER0.145 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONKK-L-164 TANNAGE 3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.255 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
MATERIALLEATHER CATTLEHIDE OVERALL
CROSS-SECTIONAL THICKNESS0.141 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
4451Interchangeable
interchangeable cross-reference
interchangeable
445-00001Interchangeable
interchangeable cross-reference
interchangeable
10288-8Interchangeable
interchangeable cross-reference
interchangeable
7T01491LPC8Interchangeable
interchangeable cross-reference
interchangeable
39534Interchangeable
interchangeable cross-reference
interchangeable
10124792Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M44-51?
M44-51 is a GASKET.
What parts can replace M44-51?
There are 14 known substitutes for M44-51: 4451, 445-00001, 10288-8 and 11 more. Substitute compatibility should be verified for your specific system.
Is M44-51 still available?
M44-51 is currently cancelled.
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