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178257 — CARTRIDGE ASSEMBLY,TURBOCHARGER

✓ Government record, cited
Hama · ORING SEAL
PRODUCT OVERVIEW

178257: CARTRIDGE ASSEMBLY,TURBOCHARGER.

- Mount for safely attaching a smartphone to a car grating - Suitable for devices with a width of 5.5 - 8.5 cm. Key specifications include material: RUBBER SYNTHETIC OVERALL, overall_length: 0.688 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN, feather_edge_angle: 30.0 DEGREES NOMINAL, center_hole_diameter: 2.750 INCHES NOMINAL IN, fsc_application_data: CYLINDER ASSEMBLY,STEERING,VEHICULAR, recess_inside_diameter: 4.713 INCHES MINIMUM AND 4.718 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-710-6525, 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
178257
NSN: 5340-00-710-6525
NIINs: 007106525, 008696293, 012087128
FSC: 5340 — Hardware, Commercial
CAGE: 99832 — SCOTT HUBER ESSICK A CO OF FIGGIE INTERNATIONAL INC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
overall_length0.688 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
feather_edge_angle30.0 DEGREES NOMINAL
center_hole_diameter2.750 INCHES NOMINAL IN
fsc_application_dataCYLINDER ASSEMBLY,STEERING,VEHICULAR
recess_inside_diameter4.713 INCHES MINIMUM AND 4.718 INCHES MAXIMUM IN
base_material_thickness0.156 INCHES NOMINAL IN
NSN5340-00-710-6525
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 178257 MFR: Hama ⚠ 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
•
FEATHER EDGE ANGLE: 30.0 DEGREES NOMINAL
•
FSC APPLICATION DATA: CYLINDER ASSEMBLY,STEERING,VEHICULAR
•
CENTER HOLE DIAMETER: 2.750 INCHES NOMINAL IN
•
BASE MATERIAL THICKNESS: 0.156 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC OVERALL
•
RECESS INSIDE DIAMETER: 4.713 INCHES MINIMUM AND 4.718 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
FEATHER EDGE ANGLE30.0 DEGREES NOMINAL
FSC APPLICATION DATACYLINDER ASSEMBLY,STEERING,VEHICULAR
OVERALL LENGTH0.688 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
CENTER HOLE DIAMETER2.750 INCHES NOMINAL IN
BASE MATERIAL THICKNESS0.156 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC OVERALL
RECESS INSIDE DIAMETER4.713 INCHES MINIMUM AND 4.718 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
4E14594Reference 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 178257?
178257 is a CARTRIDGE ASSEMBLY,TURBOCHARGER manufactured by Hama.
What parts can replace 178257?
There is 1 known substitute for 178257: 4E14594. Substitute compatibility should be verified for your specific system.
What is the NSN for 178257?
178257 is cataloged in the U.S. Government catalog under NSN 5340-00-710-6525. 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.