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A2004 — FILTER ELEMENT,FLUID

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A2004: FILTER ELEMENT,FLUID.

The FILTER ELEMENT,FLUID is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-00-499-3306, 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
A2004
NSN: 5330-00-499-3306
NIINs: 004993306, 013818024, 014556903
FSC: 5330 — Packing and Gasket Materials
CAGE: 61208 — TWIN DISC, INCORPORATED DBA TWIN DISC MID-ATLANTIC (USA)
SPECIFICATIONS
special_featuresA DIFFUSION STYLE FILTRATION SYSTEM THAT FILTERS DOWN TO .1 MICRON NOMINAL WHILE HANDLING AN EXTREME LOADING OF CONTAMINATES AND CONTINUING TO ALLOW FLUID FLOW
NSN5330-00-499-3306
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A2004 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 THICKNESS: 0.016 INCHES NOMINAL IN
•
GASKET CENTER TO FLAT DISTANCE: 2.250 INCHES NOMINAL IN
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STYLE DESIGNATOR: CIRCULAR WITH ONE PERIPHERAL FLAT
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MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-12803,NO. +3313-B MIL SPEC ALL MATERIAL RESPONSES OVERALL
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CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
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OUTSIDE DIAMETER: 5.250 INCHES NOMINAL IN
•
APERTURE DIAMETER: 3.875 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 6
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.016 INCHES NOMINAL IN
GASKET CENTER TO FLAT DISTANCE2.250 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR WITH ONE PERIPHERAL FLAT
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-12803,NO. +3313-B MIL SPEC ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER5.250 INCHES NOMINAL IN
APERTURE DIAMETER3.875 INCHES NOMINAL IN
BOLT HOLE QUANTITY6
BOLT CIRCLE DIAMETER4.500 INCHES NOMINAL IN
MATERIALPAPER AND GLUE OVERALL
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 A2004?
A2004 is a FILTER ELEMENT,FLUID.
What is the NSN for A2004?
A2004 is cataloged in the U.S. Government catalog under NSN 5330-00-499-3306. 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.