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3388571 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3388571: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: PAPER AND GLUE AND GLYCERIN OVERALL, hole_diameter: 0.562 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 4.000 INCHES NOMINAL IN, overall_length: 4.000 INCHES NOMINAL IN, outside_diameter: 3.438 INCHES NOMINAL IN, style_designator: NON-CIRCULAR. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-291-6741, 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
3388571
NSN: 5330-00-291-6741
NIINs: 002916741, 002976197
FSC: 5330 — Packing and Gasket Materials
CAGE: 39VG9 — PROGRESS RAIL LOCOMOTIVE INC. DBA PROGRESS RAIL SWITCHING SERVICES LLC (USA)
SPECIFICATIONS
materialPAPER AND GLUE AND GLYCERIN OVERALL
hole_diameter0.562 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width4.000 INCHES NOMINAL IN
overall_length4.000 INCHES NOMINAL IN
outside_diameter3.438 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
aperture_diameter1.875 INCHES NOMINAL IN
bolt_hole_quantity4
outside_corner_radius0.500 INCHES NOMINAL IN
cross-sectional_thickness0.031 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationHH-P-96 FED SPEC ALL MATERIAL RESPONSES OVERALL
NSN5330-00-291-6741
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3388571 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: 0.156 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: HH-C-576 TY 3A CL 2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL A
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 3.438 INCHES NOMINAL IN
•
APERTURE DIAMETER: 2.375 INCHES NOMINAL IN
•
MATERIAL: CORK AND RESIN NATURAL OR RESIN SYNTHETIC OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.156 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONHH-C-576 TY 3A CL 2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL A
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER3.438 INCHES NOMINAL IN
APERTURE DIAMETER2.375 INCHES NOMINAL IN
MATERIALCORK AND RESIN NATURAL OR RESIN SYNTHETIC OVERALL
SUBSTITUTES & CROSS-REFERENCES 3
80609445Reference document
Same NSN cross-reference
Reference document — Secondary reference
HHC576Reference document
Same NSN cross-reference
Reference document — Identification reference
3388571ANReference document
Same NSN cross-reference
Reference document — Secondary reference
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 3388571?
3388571 is a GASKET.
What parts can replace 3388571?
There are 3 known substitutes for 3388571: 80609445, HHC576, 3388571AN. Substitute compatibility should be verified for your specific system.
What is the NSN for 3388571?
3388571 is cataloged in the U.S. Government catalog under NSN 5330-00-291-6741. 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.