PartsTable
Technical Data Sheet
PartsTable / COMPONENT / ST7M340-600
ST7M340-600 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE CLASS Q AND GLASS OVERALL, peripheral_diameter: 7.180 INCHES NOMINAL IN, center_hole_diameter: 6.000 INCHES NOMINAL IN, cross-sectional_height: 0.490 INCHES NOMINAL IN, cross-sectional_shape_style: SQUARE/RECTANGULAR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-352-0521, 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
ST7M340-600
NSN: 5330-00-352-0521
FSC: 5330
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q AND GLASS OVERALL
peripheral_diameter7.180 INCHES NOMINAL IN
center_hole_diameter6.000 INCHES NOMINAL IN
cross-sectional_height0.490 INCHES NOMINAL IN
cross-sectional_shape_styleSQUARE/RECTANGULAR
NSN5330-00-352-0521
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: ST7M340-600 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
•
PERIPHERAL DIAMETER: 7.180 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR
•
CENTER HOLE DIAMETER: 6.000 INCHES NOMINAL IN
•
MATERIAL: RUBBER SILICONE CLASS Q AND GLASS OVERALL
•
CROSS-SECTIONAL HEIGHT: 0.490 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
PERIPHERAL DIAMETER7.180 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
CENTER HOLE DIAMETER6.000 INCHES NOMINAL IN
MATERIALRUBBER SILICONE CLASS Q AND GLASS OVERALL
CROSS-SECTIONAL HEIGHT0.490 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
501600Interchangeable
interchangeable cross-reference
interchangeable
701472Interchangeable
interchangeable cross-reference
interchangeable
23819Interchangeable
interchangeable cross-reference
interchangeable
A3092942-6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy ST7M340-600?
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 ST7M340-600?
ST7M340-600 is a PACKING,PREFORMED.
What parts can replace ST7M340-600?
There are 4 known substitutes for ST7M340-600: 501600, 701472, 23819 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ST7M340-600?
ST7M340-600 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-352-0521. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — ST7M340-600

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026