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ST7M389-8-8 — SLEEVE,SEAL,COUPLER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

ST7M389-8-8: SLEEVE,SEAL,COUPLER.

The SLEEVE,SEAL,COUPLER is a the manufacturer industrial component. Key specifications include material: GLASS AND RUBBER SILICONE CLASS Q OVERALL, temp_rating: -65.00 FAHRENHEIT AND 450.00 FAHRENHEIT DEGF, cross-sectional_length: 1.970 INCHES MINIMUM AND 2.030 INCHES MAXIMUM IN, cross-sectional_shape_style: SPHERICAL, cross_section_inside_diameter: 0.970 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN, cross_section_outside_diameter: 1.080 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-406-3703, 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
ST7M389-8-8
NSN: 5330-01-406-3703
FSC: 5330 — Packing and Gasket Materials
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialGLASS AND RUBBER SILICONE CLASS Q OVERALL
temp_rating-65.00 FAHRENHEIT AND 450.00 FAHRENHEIT DEGF
cross-sectional_length1.970 INCHES MINIMUM AND 2.030 INCHES MAXIMUM IN
cross-sectional_shape_styleSPHERICAL
cross_section_inside_diameter0.970 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN
cross_section_outside_diameter1.080 INCHES NOMINAL IN
material_document_and_classificationMIL-C-9084 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-406-3703
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: ST7M389-8-8 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: -65.00 FAHRENHEIT AND 450.00 FAHRENHEIT DEGF
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-C-9084 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SPHERICAL
•
CROSS-SECTIONAL LENGTH: 1.970 INCHES MINIMUM AND 2.030 INCHES MAXIMUM IN
•
CROSS SECTION INSIDE DIAMETER: 0.970 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN
•
CROSS SECTION OUTSIDE DIAMETER: 1.080 INCHES NOMINAL IN
•
MATERIAL: GLASS AND RUBBER SILICONE CLASS Q OVERALL
TECHNICAL CHARACTERISTICS
TEMP RATING-65.00 FAHRENHEIT AND 450.00 FAHRENHEIT DEGF
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-C-9084 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESPHERICAL
CROSS-SECTIONAL LENGTH1.970 INCHES MINIMUM AND 2.030 INCHES MAXIMUM IN
CROSS SECTION INSIDE DIAMETER0.970 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN
SPECIAL FEATURESINNER PLY SHALL BE TYPE IV,STYLE 128 YARN GLASS FABRIC PER MIL-C-9084;OUTER PLIES SHALL BE TYPE VII,STYLE 164 YARN PER MIL-C-9084;IMPREGNATION OF THE INNER PLY SHALL BE SUCH THAT THE INSIDE DIA OF THE FINISHED, CURED SLEEVE SHALL BE SMOOTH,WITH FULL COVERAGE OF WEAVE INTERSTICES
CROSS SECTION OUTSIDE DIAMETER1.080 INCHES NOMINAL IN
MATERIALGLASS AND RUBBER SILICONE CLASS Q OVERALL
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ST7M389-8-8?
ST7M389-8-8 is a SLEEVE,SEAL,COUPLER.
What is the NSN for ST7M389-8-8?
ST7M389-8-8 is cataloged in the U.S. Government catalog under NSN 5330-01-406-3703. This indicates validated use in U.S. government and defense supply chains.
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