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Technical Data Sheet
NA1379 ✓ 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 DEFLECTOR,DIRT AND LIQUID is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, hole_diameter: 0.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, hardness_rating: 55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL, outside_diameter: 4.500 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 1.250 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-402-2586, 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
NA1379
NSN: 5330-00-402-2586
FSC: 5330
CAGE: 05852 — BARNSTEAD THERMOLYNE CORPORATION DBA BARNSTEAD INTERNATIONAL DIV LABORATORY EQUIPMENT (USA)
SPECIFICATIONS
materialNICKEL ALLOY
hole_diameter0.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
hardness_rating55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL
outside_diameter4.500 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter1.250 INCHES NOMINAL IN
bolt_hole_quantity1
bolt_circle_diameter3.250 INCHES NOMINAL IN
end_item_identificationBUFFALO PUMP MODEL 12HSS
cross-sectional_thickness0.125 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-S-6855,GR 60 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-402-2586
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NA1379 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
APERTURE DIAMETER: 1.250 INCHES NOMINAL IN
BOLT HOLE QUANTITY: 1
BOLT CIRCLE DIAMETER: 3.250 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER: 4.500 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6855,GR 60 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
STYLE DESIGNATOR: CIRCULAR
TECHNICAL CHARACTERISTICS (FLIS)
APERTURE DIAMETER1.250 INCHES NOMINAL IN
BOLT HOLE QUANTITY1
BOLT CIRCLE DIAMETER3.250 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER4.500 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6855,GR 60 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL THICKNESS0.125 INCHES NOMINAL IN
HARDNESS RATING55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
569864-1Interchangeable
interchangeable cross-reference
interchangeable
TT1789Interchangeable
interchangeable cross-reference
interchangeable
15393Interchangeable
interchangeable cross-reference
interchangeable
1308414-1Interchangeable
interchangeable cross-reference
interchangeable
ED66A1Interchangeable
interchangeable cross-reference
interchangeable
160-1798-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NA1379?
NA1379 is a DEFLECTOR,DIRT AND LIQUID.
What parts can replace NA1379?
There are 21 known substitutes for NA1379: 569864-1, TT1789, 15393 and 18 more. Substitute compatibility should be verified for your specific system.
Is NA1379 still available?
NA1379 is currently cancelled.
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