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Technical Data Sheet
PartsTable / MRO / 04959
04959 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The FILTER,BAND PASS is a the manufacturer industrial component. Key specifications include material: STEEL, body_width: 1.500 INCHES NOMINAL IN, body_height: 6.188 INCHES NOMINAL IN, body_length: 1.500 INCHES NOMINAL IN, design_type: SOLID, end_diameter: 0.5230 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-036-1661, 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
MRO→ MRO_GENERAL→ 04959
NSN: 5340-00-036-1661
FSC: 5340
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialSTEEL
body_width1.500 INCHES NOMINAL IN
body_height6.188 INCHES NOMINAL IN
body_length1.500 INCHES NOMINAL IN
design_typeSOLID
end_diameter0.5230 INCHES NOMINAL IN
body_materialMETAL
inclosure_typeHERMETICALLY SEALED
overall_height0.5090 INCHES NOMINAL IN
special_featuresW/O CENTER BORE,HEAD SLIGHTLY CONVEX
style_designatorRECTANGULAR TERMINAL/TERMINALS ON ONE SURFACE
first_step_diameter1.3110 INCHES NOMINAL IN
NSN5340-00-036-1661
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 04959 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
•
END DIAMETER: 0.5230 INCHES NOMINAL IN
•
DISTANCE FROM END TO FIRST STEP: 0.2000 INCHES NOMINAL IN
•
DESIGN TYPE: SOLID
•
MATERIAL: STEEL
•
FIRST STEP DIAMETER: 1.3110 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
END DIAMETER0.5230 INCHES NOMINAL IN
DISTANCE FROM END TO FIRST STEP0.2000 INCHES NOMINAL IN
SPECIAL FEATURESW/O CENTER BORE,HEAD SLIGHTLY CONVEX
DESIGN TYPESOLID
MATERIALSTEEL
FIRST STEP DIAMETER1.3110 INCHES NOMINAL IN
OVERALL HEIGHT0.5090 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
SM-C-563335-9Interchangeable
interchangeable cross-reference
interchangeable
FL10130-10Interchangeable
interchangeable cross-reference
interchangeable
CSC-19-26TInterchangeable
interchangeable cross-reference
interchangeable
4959Interchangeable
interchangeable cross-reference
interchangeable
49595DIAL124031Interchangeable
interchangeable cross-reference
interchangeable
4959-115VInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 04959?
04959 is a FILTER,BAND PASS. It is classified as a MRO (MRO_GENERAL).
What parts can replace 04959?
There are 15 known substitutes for 04959: SM-C-563335-9, FL10130-10, CSC-19-26T and 12 more. Substitute compatibility should be verified for your specific system.
Is 04959 still available?
04959 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