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S30989-240 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

S30989-240: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include cut_type: DIAGONAL OVERALL, material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, joint_type: SCARF-PERIPHERAL RETAINER, peripheral_diameter: 3.993 INCHES NOMINAL IN, center_hole_diameter: 3.753 INCHES MINIMUM AND 3.757 INCHES MAXIMUM IN, cross-sectional_height: 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-038-8931, 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
S30989-240
NSN: 5330-00-038-8931
FSC: 5330 — Packing and Gasket Materials
CAGE: 09257 — TRELLEBORG SEALING SOLUTIONS US, INC. (USA)
SPECIFICATIONS
cut_typeDIAGONAL OVERALL
materialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
joint_typeSCARF-PERIPHERAL RETAINER
peripheral_diameter3.993 INCHES NOMINAL IN
center_hole_diameter3.753 INCHES MINIMUM AND 3.757 INCHES MAXIMUM IN
cross-sectional_height0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
cross-sectional_shape_styleSQUARE/RECTANGULAR
material_document_and_classificationMIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-038-8931
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S30989-240 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 HEIGHT: 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR
•
CUT TYPE: DIAGONAL OVERALL
•
PERIPHERAL DIAMETER: 3.993 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 3.753 INCHES MINIMUM AND 3.757 INCHES MAXIMUM IN
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
•
JOINT TYPE: SCARF-PERIPHERAL RETAINER
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
CUT TYPEDIAGONAL OVERALL
PERIPHERAL DIAMETER3.993 INCHES NOMINAL IN
CENTER HOLE DIAMETER3.753 INCHES MINIMUM AND 3.757 INCHES MAXIMUM IN
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
JOINT TYPESCARF-PERIPHERAL RETAINER
SUBSTITUTES & CROSS-REFERENCES 5
MS27595-240Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MS28774-240Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
MS27595Reference document
Same NSN cross-reference
Reference document — Identification reference
M8791/1-240Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
AS8791Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S30989-240?
S30989-240 is a RETAINER,PACKING.
What parts can replace S30989-240?
There are 5 known substitutes for S30989-240: MS27595-240, MS28774-240, MS27595 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S30989-240?
S30989-240 is cataloged in the U.S. Government catalog under NSN 5330-00-038-8931. This indicates validated use in U.S. government and defense supply chains.
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