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7657-2PC9 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7657-2PC9: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, peripheral_diameter: 0.791 INCHES NOMINAL IN, center_hole_diameter: 0.347 INCHES NOMINAL IN, cross-sectional_height: 0.188 INCHES NOMINAL IN, material_document_and_classification: 9250 FSCM 05262 MFR REF SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-612-3652, 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
7657-2PC9
NSN: 5330-00-612-3652
FSC: 5330 — Packing and Gasket Materials
CAGE: 99447 — COOPER INTERCONNECT, INC. DBA COOPER INTERCONNECT DIV INTERCONNECT (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
peripheral_diameter0.791 INCHES NOMINAL IN
center_hole_diameter0.347 INCHES NOMINAL IN
cross-sectional_height0.188 INCHES NOMINAL IN
cross-sectional_shape_styleU
material_document_and_classification9250 FSCM 05262 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-612-3652
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7657-2PC9 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: 0.188 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: 9250 FSCM 05262 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: U
•
PERIPHERAL DIAMETER: 0.791 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.347 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.188 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION9250 FSCM 05262 MFR REF SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLEU
PERIPHERAL DIAMETER0.791 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.347 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC OVERALL
SUBSTITUTES & CROSS-REFERENCES 3
005-027Reference document
Same NSN cross-reference
Reference document — Secondary reference
5330PL1276726Reference document
Same NSN cross-reference
Reference document — Informative reference only
8030-2Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 7657-2PC9?
7657-2PC9 is a PACKING,PREFORMED.
What parts can replace 7657-2PC9?
There are 3 known substitutes for 7657-2PC9: 005-027, 5330PL1276726, 8030-2. Substitute compatibility should be verified for your specific system.
What is the NSN for 7657-2PC9?
7657-2PC9 is cataloged in the U.S. Government catalog under NSN 5330-00-612-3652. This indicates validated use in U.S. government and defense supply chains.
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