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D-579 — FILTER,BAND PASS

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

D-579: FILTER,BAND PASS.

The FILTER,BAND PASS is a the manufacturer industrial component. Key specifications include material: STEEL OUTER LAYER, corner_shape: SQUARE INSIDE LEFT CORNER, hole_diameter: 0.3750 INCHES NOMINAL FIRST IN, overall_length: 2.2560 INCHES MINIMUM AND 2.2660 INCHES MAXIMUM IN, style_designator: SPLIT, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 2.2310 INCHES MINIMUM AND 2.2320 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-146-2795, 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→ D-579
NSN: 5331-00-146-2795
NIINs: 001462795, 005540637, 015913772
FSC: 5331 — O-ring
CAGE: 30793 — INSINGER MACHINE CO (USA)
SPECIFICATIONS
materialSTEEL OUTER LAYER
corner_shapeSQUARE INSIDE LEFT CORNER
hole_diameter0.3750 INCHES NOMINAL FIRST IN
overall_length2.2560 INCHES MINIMUM AND 2.2660 INCHES MAXIMUM IN
style_designatorSPLIT, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter2.2310 INCHES MINIMUM AND 2.2320 INCHES MAXIMUM IN
center_hole_diameter1.045 INCHES MINIMUM AND 1.057 INCHES MAXIMUM IN
body_outside_diameter2.3770 INCHES MINIMUM AND 2.3780 INCHES MAXIMUM IN
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
material_document_and_classificationMIL-B-13506 MIL SPEC SINGLE MATERIAL RESPONSE INNER LAYER
part_name_assigned_by_controlling_agencyFILTER,RF,BANDPASS, 400 SERIES SST
antirotation/lubrication_type_and_quantity2 HOLE
NSN5331-00-146-2795
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: D-579 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 HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 1.045 INCHES MINIMUM AND 1.057 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
CENTER HOLE DIAMETER1.045 INCHES MINIMUM AND 1.057 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is D-579?
D-579 is a FILTER,BAND PASS. It is classified as a MRO (MRO_GENERAL).
What is the NSN for D-579?
D-579 is cataloged in the U.S. Government catalog under NSN 5331-00-146-2795. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.