PartsTable
Technical Data Sheet
Download PDF

396574 — PISTON,INTERNAL COMBUSTION ENGIN

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

396574: PISTON,INTERNAL COMBUSTION ENGIN.

PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include material: RUBBER SYNTHETIC AND PLASTIC OVERALL, hole_diameter: 0.125 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, outside_diameter: 3.120 INCHES NOMINAL IN, cross-sectional_thickness: 0.031 INCHES NOMINAL IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-805-5814, 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
396574
NSN: 5330-00-805-5814
NIINs: 008055814, 012198386
FSC: 5330 — Packing and Gasket Materials
CAGE: 89305 — SIMMONDS PRECISION PRODUCTS INC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC AND PLASTIC OVERALL
hole_diameter0.125 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
outside_diameter3.120 INCHES NOMINAL IN
cross-sectional_thickness0.031 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-805-5814
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 396574 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: 0.031 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 3.120 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC AND PLASTIC OVERALL
•
HOLE DIAMETER: 0.125 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER3.120 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC AND PLASTIC OVERALL
HOLE DIAMETER0.125 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED 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
Ready to buy 396574?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 396574?
396574 is a PISTON,INTERNAL COMBUSTION ENGIN.
What is the NSN for 396574?
396574 is cataloged in the U.S. Government catalog under NSN 5330-00-805-5814. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 396574

✓ 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.