PartsTable
Technical Data Sheet
Download PDF

ST7M349-3 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

ST7M349-3: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE CLASS Q OVERALL, temp_rating: -80.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF, hardness_rating: 45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL, outer_groove_width: 0.200 INCHES NOMINAL IN, peripheral_diameter: 2.750 INCHES NOMINAL IN, center_hole_diameter: 2.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-352-0491, 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
ST7M349-3
NSN: 5330-00-352-0491
NIINs: 003520491, 014764201
FSC: 5330 — Packing and Gasket Materials
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q OVERALL
temp_rating-80.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF
hardness_rating45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL
outer_groove_width0.200 INCHES NOMINAL IN
peripheral_diameter2.750 INCHES NOMINAL IN
center_hole_diameter2.000 INCHES NOMINAL IN
end_item_identificationF-15 ACFT
flanged_body_outside_diameter2.562 INCHES NOMINAL IN
material_document_and_classificationZZ-R-765,CL 3,GR 50 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencySEAL,PLAIN-INTERFACE
NSN5330-00-352-0491
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: ST7M349-3 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
•
TEMP RATING: -80.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.680 INCHES NOMINAL IN
•
HARDNESS RATING: 45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: ZZ-R-765,CL 3,GR 50 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SPECIAL
•
PERIPHERAL DIAMETER: 2.000 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 1.234 INCHES MINIMUM AND 1.266 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SILICONE CLASS Q OVERALL
TECHNICAL CHARACTERISTICS
TEMP RATING-80.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.680 INCHES NOMINAL IN
HARDNESS RATING45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONZZ-R-765,CL 3,GR 50 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESPECIAL
PERIPHERAL DIAMETER2.000 INCHES NOMINAL IN
CENTER HOLE DIAMETER1.234 INCHES MINIMUM AND 1.266 INCHES MAXIMUM IN
MATERIALRUBBER SILICONE CLASS Q OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy ST7M349-3?
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 ST7M349-3?
ST7M349-3 is a PACKING,PREFORMED.
What is the NSN for ST7M349-3?
ST7M349-3 is cataloged in the U.S. Government catalog under NSN 5330-00-352-0491. 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 — ST7M349-3