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730078-3 — GUIDE,LANYARD

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

730078-3: GUIDE,LANYARD.

The GUIDE,LANYARD is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, hole_diameter: 0.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, hardness_rating: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL, outside_diameter: 6.500 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 5.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-253-2834, 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
730078-3
NSN: 5330-00-253-2834
NIINs: 002532834, 002582834
FSC: 5330 — Packing and Gasket Materials
CAGE: 44114 — BAE SYSTEMS LAND & ARMAMENTS L.P. (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
hole_diameter0.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
hardness_rating65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
outside_diameter6.500 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter5.000 INCHES NOMINAL IN
bolt_hole_quantity4
bolt_circle_diameter5.750 INCHES NOMINAL IN
cross-sectional_thickness0.125 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
general_characteristics_item_descriptionALUMINUM ALLOY,IRREGULAR SHAPE,2.720 IN.O/A LG,0.620 IN. O/AW ONE HOLE 0.750 IN.DIA,TWO HOLES 0.218 IN. MIN,0.229 IN. DIA IN
NSN5330-00-253-2834
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 730078-3 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 THICKNESS: 0.125 INCHES NOMINAL IN
•
HARDNESS RATING: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 6.500 INCHES NOMINAL IN
•
APERTURE DIAMETER: 5.000 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 4
•
BOLT CIRCLE DIAMETER: 5.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.125 INCHES NOMINAL IN
HARDNESS RATING65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER6.500 INCHES NOMINAL IN
APERTURE DIAMETER5.000 INCHES NOMINAL IN
BOLT HOLE QUANTITY4
BOLT CIRCLE DIAMETER5.750 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC OVERALL
HOLE DIAMETER0.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
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 730078-3?
730078-3 is a GUIDE,LANYARD.
What is the NSN for 730078-3?
730078-3 is cataloged in the U.S. Government catalog under NSN 5330-00-253-2834. 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.