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120257 — CABLE ASSEMBLY,POWER,ELECTRICAL

✓ Government record, cited
Hama · ORING SEAL
PRODUCT OVERVIEW

120257: CABLE ASSEMBLY,POWER,ELECTRICAL.

- Precision finished PAL plug offers high quality signal - Handy plug shape allows for easy installation even with hard to reach plug connectors - Center conductor with large cross section for minimal loss and linear frequency response - 100% aluminium coated Mylar foil shield with a high-performance copper braid offers better protection from EM and RF interference - Duraflex cable covering for easy handling and installation - Impedance exactly 75 ohm for optimal video signal quality - Inventory no. 129831 This part is cataloged in the U.S. Government catalog under NSN 5330-00-825-8028, indicating validated use in U.S.

government and defense logistics supply chains.

WHERE IT FITS
120257
NSN: 5330-00-825-8028
NIINs: 008258028, 014804655
FSC: 5330 — Packing and Gasket Materials
CAGE: 83259 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV COMPOSITE SEALING SYSTEMS DIVISION (USA)
SPECIFICATIONS
hole_diameter0.280 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
outside_diameter5.500 INCHES NOMINAL IN
aperture_diameter3.780 INCHES NOMINAL IN
gage_ring_thickness0.090 INCHES NOMINAL IN
bolt_circle_diameter4.500 INCHES NOMINAL IN
fsc_application_dataFUSELAGE SECTION,ACFT
end_item_identificationMK41MODO, ADVANCED RADIOGRAPHIC SYSTEM (ARS)
cross-sectional_thickness0.130 INCHES NOMINAL IN
cross-sectional_shape_styleMETAL AND SYNTHETIC RUBBER
NSN5330-00-825-8028
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 120257 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
•
FSC APPLICATION DATA: FUSELAGE SECTION,ACFT
•
CROSS-SECTIONAL THICKNESS: 0.130 INCHES NOMINAL IN
•
GAGE RING THICKNESS: 0.090 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: METAL AND SYNTHETIC RUBBER
•
OUTSIDE DIAMETER: 5.500 INCHES NOMINAL IN
•
APERTURE DIAMETER: 3.780 INCHES NOMINAL IN
•
BOLT CIRCLE DIAMETER: 4.500 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.280 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
TYPICAL APPLICATIONS
  • Server Internal Cabling
  • Data Center Cable Infrastructure
  • SAS/SATA Drive Connectivity
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAFUSELAGE SECTION,ACFT
CROSS-SECTIONAL THICKNESS0.130 INCHES NOMINAL IN
GAGE RING THICKNESS0.090 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEMETAL AND SYNTHETIC RUBBER
OUTSIDE DIAMETER5.500 INCHES NOMINAL IN
APERTURE DIAMETER3.780 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER4.500 INCHES NOMINAL IN
HOLE DIAMETER0.280 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
SUBSTITUTES & CROSS-REFERENCES 2
2-52924-9Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2764Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 120257?
120257 is a CABLE ASSEMBLY,POWER,ELECTRICAL manufactured by Hama.
What parts can replace 120257?
There are 2 known substitutes for 120257: 2-52924-9, 2764. Substitute compatibility should be verified for your specific system.
What is the NSN for 120257?
120257 is cataloged in the U.S. Government catalog under NSN 5330-00-825-8028. This indicates validated use in U.S. government and defense supply chains.
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