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3275-251 — CABLE ASSEMBLY,SPECIAL PURPOSE,E

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3275-251: CABLE ASSEMBLY,SPECIAL PURPOSE,E.

CABLE ASSEMBLY,SPECIAL PURPOSE,E. Key specifications include cushion: NOT INCLUDED, material: STEEL LOCATION NOT OTHERWISE SPECIFIED, mounting_pad: NOT INCLUDED, overall_width: 1.680 INCHES NOMINAL IN, overall_length: 4.062 INCHES NOMINAL IN, style_designator: CURVED ARCH. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-448-4475, 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
3275-251
NSN: 5340-00-448-4475
NIINs: 004484475, 011463394, 016774767
FSC: 5340 — Hardware, Commercial
CAGE: 28569 — HICKOK WAEKON LLC (USA)
SPECIFICATIONS
cushionNOT INCLUDED
materialSTEEL LOCATION NOT OTHERWISE SPECIFIED
mounting_padNOT INCLUDED
overall_width1.680 INCHES NOMINAL IN
overall_length4.062 INCHES NOMINAL IN
style_designatorCURVED ARCH
surface_treatmentNICKEL
material_thickness0.050 INCHES NOMINAL IN
mounting_hole_size0.140 INCHES NOMINAL IN
end_item_identificationAWG-9 ANTENNA ASSEMBLY
inside_diameter/arch_length0.265 INCHES NOMINAL IN
distance_between_mounting_hole_centers2.000 INCHES NOMINAL IN
NSN5340-00-448-4475
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3275-251 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
•
MOUNTING HOLE SIZE: 0.140 INCHES NOMINAL IN
•
DISTANCE BETWEEN MOUNTING HOLE CENTERS: 2.000 INCHES NOMINAL IN
•
MOUNTING PAD: NOT INCLUDED
•
STYLE DESIGNATOR: CURVED ARCH
•
MATERIAL THICKNESS: 0.050 INCHES NOMINAL IN
•
CUSHION: NOT INCLUDED
TYPICAL APPLICATIONS
  • Server Internal Cabling
  • Data Center Cable Infrastructure
  • SAS/SATA Drive Connectivity
TECHNICAL CHARACTERISTICS
MOUNTING HOLE SIZE0.140 INCHES NOMINAL IN
DISTANCE BETWEEN MOUNTING HOLE CENTERS2.000 INCHES NOMINAL IN
MOUNTING PADNOT INCLUDED
STYLE DESIGNATORCURVED ARCH
OVERALL LENGTH4.062 INCHES NOMINAL IN
OVERALL WIDTH1.680 INCHES NOMINAL IN
MATERIAL THICKNESS0.050 INCHES NOMINAL IN
CUSHIONNOT INCLUDED
DISTANCE BETWEEN BASE AND INSIDE OF ARCH0.265 INCHES NOMINAL IN
SURFACE TREATMENTNICKEL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 3275-251?
3275-251 is a CABLE ASSEMBLY,SPECIAL PURPOSE,E.
What is the NSN for 3275-251?
3275-251 is cataloged in the U.S. Government catalog under NSN 5340-00-448-4475. 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.