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457-5657 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

457-5657: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include joint_type: SCARF-PERIPHERAL RETAINER, special_features: MATERIAL IS MIS POLYTETRAFLUOROETHYLENE (TFE) FELT 0.120 THK, peripheral_diameter: 3.320 INCHES NOMINAL IN, center_hole_diameter: 2.850 INCHES NOMINAL IN, cross-sectional_height: 0.120 INCHES NOMINAL IN, cross-sectional_shape_style: SQUARE/RECTANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-462-8360, 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
457-5657
NSN: 5330-00-462-8360
FSC: 5330 — Packing and Gasket Materials
CAGE: A486G — NIMIKKEISTOKESKUS NCB FINLAND (FIN)
SPECIFICATIONS
joint_typeSCARF-PERIPHERAL RETAINER
special_featuresMATERIAL IS MIS POLYTETRAFLUOROETHYLENE (TFE) FELT 0.120 THK
peripheral_diameter3.320 INCHES NOMINAL IN
center_hole_diameter2.850 INCHES NOMINAL IN
cross-sectional_height0.120 INCHES NOMINAL IN
cross-sectional_shape_styleSQUARE/RECTANGULAR
NSN5330-00-462-8360
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 457-5657 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: 0.120 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR
•
PERIPHERAL DIAMETER: 3.320 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 2.850 INCHES NOMINAL IN
•
JOINT TYPE: SCARF-PERIPHERAL RETAINER
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.120 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
PERIPHERAL DIAMETER3.320 INCHES NOMINAL IN
SPECIAL FEATURESMATERIAL IS MIS POLYTETRAFLUOROETHYLENE (TFE) FELT 0.120 THK
CENTER HOLE DIAMETER2.850 INCHES NOMINAL IN
JOINT TYPESCARF-PERIPHERAL RETAINER
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 1
5330004628360Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 457-5657?
457-5657 is a RETAINER,PACKING.
What parts can replace 457-5657?
There is 1 known substitute for 457-5657: 5330004628360. Substitute compatibility should be verified for your specific system.
What is the NSN for 457-5657?
457-5657 is cataloged in the U.S. Government catalog under NSN 5330-00-462-8360. This indicates validated use in U.S. government and defense supply chains.
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