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ST7M349-15 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

ST7M349-15: 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, special_features: GROMMET STYLE ATTACHMENT METHOD,WIDTH 0.100, peripheral_diameter: 2.740 INCHES MINIMUM AND 2.760 INCHES MAXIMUM IN, center_hole_diameter: 1.984 INCHES MINIMUM AND 2.016 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-449-9887, 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
ST7M349-15
NSN: 5330-01-449-9887
FSC: 5330 — Packing and Gasket Materials
CAGE: 50744 — KIRKHILL, INC. DBA TA AEROSPACE CO DIV KIRKHILL INC, SFS DIVISION (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
special_featuresGROMMET STYLE ATTACHMENT METHOD,WIDTH 0.100
peripheral_diameter2.740 INCHES MINIMUM AND 2.760 INCHES MAXIMUM IN
center_hole_diameter1.984 INCHES MINIMUM AND 2.016 INCHES MAXIMUM IN
cross-sectional_height0.705 INCHES MINIMUM AND 0.725 INCHES MAXIMUM IN
end_item_identificationF-15S AIRCRAFT
cross-sectional_shape_styleSPECIAL
criticality_code_justificationFEAT AND AGAV
material_document_and_classificationZZ-R-765,CL 3,GR 50 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-449-9887
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: ST7M349-15 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: 0.705 INCHES MINIMUM AND 0.725 INCHES MAXIMUM IN
•
HARDNESS RATING: 45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL
•
CRITICALITY CODE JUSTIFICATION: FEAT AND AGAV
•
MATERIAL DOCUMENT AND CLASSIFICATION: ZZ-R-765,CL 3,GR 50 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SPECIAL
•
PERIPHERAL DIAMETER: 2.740 INCHES MINIMUM AND 2.760 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
TEMP RATING-80.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.705 INCHES MINIMUM AND 0.725 INCHES MAXIMUM IN
HARDNESS RATING45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL
CRITICALITY CODE JUSTIFICATIONFEAT AND AGAV
MATERIAL DOCUMENT AND CLASSIFICATIONZZ-R-765,CL 3,GR 50 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESPECIAL
PERIPHERAL DIAMETER2.740 INCHES MINIMUM AND 2.760 INCHES MAXIMUM IN
SPECIAL FEATURESGROMMET STYLE ATTACHMENT METHOD,WIDTH 0.100
CENTER HOLE DIAMETER1.984 INCHES MINIMUM AND 2.016 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONF-15S AIRCRAFT
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
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
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FREQUENTLY ASKED QUESTIONS
What is ST7M349-15?
ST7M349-15 is a PACKING,PREFORMED.
What is the NSN for ST7M349-15?
ST7M349-15 is cataloged in the U.S. Government catalog under NSN 5330-01-449-9887. 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.